For the latest discoveries in cyber research for the week of 9th March, please download our Threat Intelligence Bulletin.
TOP ATTACKS AND BREACHES
AkzoNobel, a Netherlands-based global paint manufacturer, has confirmed a cyberattack affecting one of its United States sites. The company said the intrusion was contained, while the Anubis ransomware group claimed it stole 170 GB of data, including employee and financial records.
LexisNexis, a global legal data and analytics provider, has suffered a breach. Attackers claimed they stole 3.9 million records, including about 400,000 user profiles and some government accounts, while the company said the exposed systems mainly held legacy pre-2020 data.
The Wikimedia Foundation, the nonprofit behind Wikipedia, has faced a self-propagating JavaScript worm that vandalized pages and replaced editor scripts across multiple wikis. Engineers briefly restricted editing while cleaning up the incident, with about 3,996 pages modified and roughly 85 users’ personal scripts affected.
TriZetto Provider Solutions, an American healthcare technology company owned by Cognizant, has disclosed a breach affecting more than 3.4 million people. The exposed data includes insurance and medical information, with notifications issued this week after investigators determined the unauthorized access began in 2024.
AI THREATS
Researchers outlined how Pakistan-linked APT36 has used AI coding tools to produce large volumes of low-quality malware aimed at Indian government entities and embassies. The group generated variants in less common programming languages and used legitimate cloud services for command channels, complicating detection and response.
Researchers uncovered AI-themed Chrome and Edge extensions that harvest LLM chat histories and browsing activity. Distributed via the Chrome Web Store, they impersonate legitimate tools and have impacted 900,000 users across 20,000 enterprise environments.
Researchers tracked a campaign abusing interest in OpenClaw, an AI agent, by planting fake installers on GitHub that appeared in Bing search results. The installers delivered Vidar to steal credentials and cryptocurrency wallets and sometimes deployed GhostSocks, turning infected systems into residential proxies.
Researchers demonstrated indirect prompt injection campaigns against AI agents that read web content, cataloging 22 techniques across live sites. Hidden instructions can redirect agents to expose data, perform unauthorized transactions, and run server commands, and the researchers also observed a real-world bypass of an AI ad review system.
VULNERABILITIES AND PATCHES
Google has published patches for CVE-2026-0628, a high-severity vulnerability in Chrome’s Gemini AI panel that allowed malicious extensions to inject code and access cameras and microphones. Researchers showed attackers could also take screenshots, access local files, and launch phishing content inside the panel.
A patch was released for CVE-2026-1492, a critical (9.8 CVSS) privilege escalation flaw in the User Registration & Membership WordPress plugin. The vulnerability lets unauthenticated attackers create administrator accounts and take over sites.
VMware has patched CVE-2026-22719, a high-severity command injection flaw in Aria Operations, its cloud management platform. The vulnerability allows unauthenticated remote code execution during support-assisted migrations and affects versions 8 through 8.18.5 and 9 through 9.0.1, with patches and a workaround script available.
Qualcomm has addressed CVE-2026-21385, a memory corruption vulnerability affecting chipsets used in Android phones, tablets, and IoT devices. The flaw can trigger crashes and potentially allow code execution, and CISA said evidence of active exploitation prompted its addition to the Known Exploited Vulnerabilities catalog.
THREAT INTELLIGENCE REPORTS
Check Point Research have mapped Iran-linked cyber clusters conducting espionage, disruption, and influence operations, including Cotton Sandstorm, Educated Manticore, MuddyWater, Handala, and Agrius. Recent campaigns used impersonation and phishing to steal credentials, remote access tools to persist, and wipers or fake ransomware for impact.
Check Point Research revealed that, amid the ongoing conflict with Iran, IP cameras in Israel, Qatar, Bahrain, Kuwait, the UAE, and Cyprus have been intensively targeted. Notably, these countries have also experienced significant missile activity from Iran. The findings align with the assessment that Iran incorporates compromised cameras into its operational doctrine, using them both to support missile operations and to conduct ongoing battle damage assessment (BDA).
Check Point Research has profiled Silver Dragon, a Chinese-aligned group linked to APT41 that targeted government and enterprise networks across Southeast Asia and Europe. Recent operations used the GearDoor backdoor with SSHcmd and SilverScreen, enabling remote access, covert screen capture, and stealthy control after phishing and server exploitation.
Check Point Harmony Endpoint and Threat Emulation provide protection against these threats
Researchers have uncovered Coruna, an iPhone exploit kit used by Chinese scammers and Russia-linked operators to compromise devices through malicious websites. The toolkit used 23 exploits against iOS and deployed malware that stole cryptocurrency, emails, and photos.
The fourth quarter of 2025 went down as one of the most intense periods on record for high-profile, critical vulnerability disclosures, hitting popular libraries and mainstream applications. Several of these vulnerabilities were picked up by attackers and exploited in the wild almost immediately.
In this report, we dive into the statistics on published vulnerabilities and exploits, as well as the known vulnerabilities leveraged with popular C2 frameworks throughout Q4 2025.
Statistics on registered vulnerabilities
This section contains statistics on registered vulnerabilities. The data is taken from cve.org.
Let’s take a look at the number of registered CVEs for each month over the last five years, up to and including the end of 2025. As predicted in our last report, Q4 saw a higher number of registered vulnerabilities than the same period in 2024, and the year-end totals also cleared the bar set the previous year.
Total published vulnerabilities by month from 2021 through 2025 (download)
Now, let’s look at the number of new critical vulnerabilities (CVSS > 8.9) for that same period.
Total number of published critical vulnerabilities by month from 2021 to 2025< (download)
The graph shows that the volume of critical vulnerabilities remains quite substantial; however, in the second half of the year, we saw those numbers dip back down to levels seen in 2023. This was due to vulnerability churn: a handful of published security issues were revoked. The widespread adoption of secure development practices and the move toward safer languages also pushed those numbers down, though even that couldn’t stop the overall flood of vulnerabilities.
Exploitation statistics
This section contains statistics on the use of exploits in Q4 2025. The data is based on open sources and our telemetry.
Windows and Linux vulnerability exploitation
In Q4 2025, the most prevalent exploits targeted the exact same vulnerabilities that dominated the threat landscape throughout the rest of the year. These were exploits targeting Microsoft Office products with unpatched security flaws.
Kaspersky solutions detected the most exploits on the Windows platform for the following vulnerabilities:
CVE-2018-0802: a remote code execution vulnerability in Equation Editor.
CVE-2017-11882: another remote code execution vulnerability, also affecting Equation Editor.
CVE-2017-0199: a vulnerability in Microsoft Office and WordPad that allows an attacker to assume control of the system.
The list has remained unchanged for years.
We also see that attackers continue to adapt exploits for directory traversal vulnerabilities (CWE-35) when unpacking archives in WinRAR. They are being heavily leveraged to gain initial access via malicious archives on the Windows operating system:
CVE-2023-38831: a vulnerability stemming from the improper handling of objects within an archive.
CVE-2025-6218 (formerly ZDI-CAN-27198): a vulnerability that enables an attacker to specify a relative path and extract files into an arbitrary directory. This can lead to arbitrary code execution. We covered this vulnerability in detail in our Q2 2025 report.
CVE-2025-8088: a vulnerability we analyzed in our previous report, analogous to CVE-2025-6218. The attackers used NTFS streams to circumvent controls on the directory into which files were being unpacked.
As in the previous quarter, we see a rise in the use of archiver exploits, with fresh vulnerabilities increasingly appearing in attacks.
Below are the exploit detection trends for Windows users over the last two years.
Dynamics of the number of Windows users encountering exploits, Q1 2024 – Q4 2025. The number of users who encountered exploits in Q1 2024 is taken as 100% (download)
The vulnerabilities listed here can be used to gain initial access to a vulnerable system. This highlights the critical importance of timely security updates for all affected software.
On Linux-based devices, the most frequently detected exploits targeted the following vulnerabilities:
CVE-2022-0847, also known as Dirty Pipe: a vulnerability that allows privilege escalation and enables attackers to take control of running applications.
CVE-2019-13272: a vulnerability caused by improper handling of privilege inheritance, which can be exploited to achieve privilege escalation.
CVE-2021-22555: a heap overflow vulnerability in the Netfilter kernel subsystem.
CVE-2023-32233: another vulnerability in the Netfilter subsystem that creates a use-after-free condition, allowing for privilege escalation due to the improper handling of network requests.
Dynamics of the number of Linux users encountering exploits, Q1 2024 – Q4 2025. The number of users who encountered exploits in Q1 2024 is taken as 100% (download)
We are seeing a massive surge in Linux-based exploit attempts: in Q4, the number of affected users doubled compared to Q3. Our statistics show that the final quarter of the year accounted for more than half of all Linux exploit attacks recorded for the entire year. This surge is primarily driven by the rapidly growing number of Linux-based consumer devices. This trend naturally attracts the attention of threat actors, making the installation of security patches critically important.
Most common published exploits
The distribution of published exploits by software type in Q4 2025 largely mirrors the patterns observed in the previous quarter. The majority of exploits we investigate through our monitoring of public research, news, and PoCs continue to target vulnerabilities within operating systems.
Distribution of published exploits by platform, Q1 2025 (download)
Distribution of published exploits by platform, Q2 2025 (download)
Distribution of published exploits by platform, Q3 2025 (download)
Distribution of published exploits by platform, Q4 2025 (download)
In Q4 2025, no public exploits for Microsoft Office products emerged; the bulk of the vulnerabilities were issues discovered in system components. When calculating our statistics, we placed these in the OS category.
Vulnerability exploitation in APT attacks
We analyzed which vulnerabilities were utilized in APT attacks during Q4 2025. The following rankings draw on our telemetry, research, and open-source data.
TOP 10 vulnerabilities exploited in APT attacks, Q4 2025 (download)
In Q4 2025, APT attacks most frequently exploited fresh vulnerabilities published within the last six months. We believe that these CVEs will remain favorites among attackers for a long time, as fixing them may require significant structural changes to the vulnerable applications or the user’s system. Often, replacing or updating the affected components requires a significant amount of resources. Consequently, the probability of an attack through such vulnerabilities may persist. Some of these new vulnerabilities are likely to become frequent tools for lateral movement within user infrastructure, as the corresponding security flaws have been discovered in network services that are accessible without authentication. This heavy exploitation of very recently registered vulnerabilities highlights the ability of threat actors to rapidly implement new techniques and adapt old ones for their attacks. Therefore, we strongly recommend applying the security patches provided by vendors.
C2 frameworks
In this section, we will look at the most popular C2 frameworks used by threat actors and analyze the vulnerabilities whose exploits interacted with C2 agents in APT attacks.
The chart below shows the frequency of known C2 framework usage in attacks against users during Q4 2025, according to open sources.
TOP 10 C2 frameworks used by APTs to compromise user systems in Q4 2025 (download)
Despite the significant footprints it can leave when used in its default configuration, Sliver continues to hold the top spot among the most common C2 frameworks in our Q4 2025 analysis. Mythic and Havoc were second and third, respectively. After reviewing open sources and analyzing malicious C2 agent samples that contained exploits, we found that the following vulnerabilities were used in APT attacks involving the C2 frameworks mentioned above:
CVE-2025-55182: a React2Shell vulnerability in React Server Components that allows an unauthenticated user to send commands directly to the server and execute them from RAM.
CVE-2023-36884: a vulnerability in the Windows Search component that allows the execution of commands on a system, bypassing security mechanisms built into Microsoft Office applications.
CVE-2025-53770: a critical insecure deserialization vulnerability in Microsoft SharePoint that allows an unauthenticated user to execute commands on the server.
CVE-2020-1472, also known as Zerologon, allows for compromising a vulnerable domain controller and executing commands as a privileged user.
CVE-2021-34527, also known as PrintNightmare, exploits flaws in the Windows print spooler subsystem, enabling remote access to a vulnerable OS and high-privilege command execution.
CVE-2025-8088 and CVE-2025-6218 are similar directory-traversal vulnerabilities that allow extracting files from an archive to a predefined path without the archiving utility notifying the user.
The set of vulnerabilities described above suggests that attackers have been using them for initial access and early-stage maneuvers in vulnerable systems to create a springboard for deploying a C2 agent. The list of vulnerabilities includes both zero-days and well-known, established security issues.
Notable vulnerabilities
This section highlights the most noteworthy vulnerabilities that were publicly disclosed in Q4 2025 and have a publicly available description.
React2Shell (CVE-2025-55182): a vulnerability in React Server Components
We typically describe vulnerabilities affecting a specific application. CVE-2025-55182 stood out as an exception, as it was discovered in React, a library primarily used for building web applications. This means that exploiting the vulnerability could potentially disrupt a vast number of applications that rely on the library. The vulnerability itself lies in the interaction mechanism between the client and server components, which is built on sending serialized objects. If an attacker sends serialized data containing malicious functionality, they can execute JavaScript commands directly on the server, bypassing all client-side request validation. Technical details about this vulnerability and an example of how Kaspersky solutions detect it can be found in our article.
CVE-2025-54100: command injection during the execution of curl (Invoke-WebRequest)
This vulnerability represents a data-handling flaw that occurs when retrieving information from a remote server: when executing the curl or Invoke-WebRequest command, Windows launches Internet Explorer in the background. This can lead to a cross-site scripting (XSS) attack.
CVE-2025-11001: a vulnerability in 7-Zip
This vulnerability reinforces the trend of exploiting security flaws found in file archivers. The core of CVE-2025-11001 lies in the incorrect handling of symbolic links. An attacker can craft an archive so that when it is extracted into an arbitrary directory, its contents end up in the location pointed to by a symbolic link. The likelihood of exploiting this vulnerability is significantly reduced because utilizing such functionality requires the user opening the archive to possess system administrator privileges.
This vulnerability was associated with a wave of misleading news reports claiming it was being used in real-world attacks against end users. This misconception stemmed from an error in the security bulletin.
RediShell (CVE-2025-49844): a vulnerability in Redis
The year 2025 saw a surge in high-profile vulnerabilities, several of which were significant enough to earn a unique nickname. This was the case with CVE-2025-49844, also known as RediShell, which was unveiled during a hacking competition. This vulnerability is a use-after-free issue related to how the load command functions within Lua interpreter scripts. To execute the attack, an attacker needs to prepare a malicious script and load it into the interpreter.
As with any named vulnerability, RediShell was immediately weaponized by threat actors and spammers, albeit in a somewhat unconventional manner. Because technical details were initially scarce following its disclosure, the internet was flooded with fake PoC exploits and scanners claiming to test for the vulnerability. In the best-case scenario, these tools were non-functional; in the worst, they infected the system. Notably, these fraudulent projects were frequently generated using LLMs. They followed a standardized template and often cross-referenced source code from other identical fake repositories.
CVE-2025-24990: a vulnerability in the ltmdm64.sys driver
Driver vulnerabilities are often discovered in legitimate third-party applications that have been part of the official OS distribution for a long time. Thus, CVE-2025-24990 has existed within code shipped by Microsoft throughout nearly the entire history of Windows. The vulnerable driver has been shipped since at least Windows 7 as a third-party driver for Agere Modem. According to Microsoft, this driver is no longer supported and, following the discovery of the flaw, was removed from the OS distribution entirely.
The vulnerability itself is straightforward: insecure handling of IOCTL codes leading to a null pointer dereference. Successful exploitation can lead to arbitrary command execution or a system crash resulting in a blue screen of death (BSOD) on modern systems.
CVE-2025-59287: a vulnerability in Windows Server Update Services (WSUS)
CVE-2025-59287 represents a textbook case of insecure deserialization. Exploitation is possible without any form of authentication; due to its ease of use, this vulnerability rapidly gained traction among threat actors. Technical details and detection methodologies for our product suite have been covered in our previous advisories.
Conclusion and advice
In Q4 2025, the rate of vulnerability registration has shown no signs of slowing down. Consequently, consistent monitoring and the timely application of security patches have become more critical than ever. To ensure resilient defense, it is vital to regularly assess and remediate known vulnerabilities while implementing technology designed to mitigate the impact of potential exploits.
Continuous monitoring of infrastructure, including the network perimeter, allows for the timely identification of threats and prevents them from escalating. Effective security also demands tracking the current threat landscape and applying preventative measures to minimize risks associated with system flaws. Kaspersky Next serves as a reliable partner in this process, providing real-time identification and detailed mapping of vulnerabilities within the environment.
Securing the workplace remains a top priority. Protecting corporate devices requires the adoption of solutions capable of blocking malware and preventing it from spreading. Beyond basic measures, organizations should implement adaptive systems that allow for the rapid deployment of security updates and the automation of patch management workflows.
The fourth quarter of 2025 went down as one of the most intense periods on record for high-profile, critical vulnerability disclosures, hitting popular libraries and mainstream applications. Several of these vulnerabilities were picked up by attackers and exploited in the wild almost immediately.
In this report, we dive into the statistics on published vulnerabilities and exploits, as well as the known vulnerabilities leveraged with popular C2 frameworks throughout Q4 2025.
Statistics on registered vulnerabilities
This section contains statistics on registered vulnerabilities. The data is taken from cve.org.
Let’s take a look at the number of registered CVEs for each month over the last five years, up to and including the end of 2025. As predicted in our last report, Q4 saw a higher number of registered vulnerabilities than the same period in 2024, and the year-end totals also cleared the bar set the previous year.
Total published vulnerabilities by month from 2021 through 2025 (download)
Now, let’s look at the number of new critical vulnerabilities (CVSS > 8.9) for that same period.
Total number of published critical vulnerabilities by month from 2021 to 2025< (download)
The graph shows that the volume of critical vulnerabilities remains quite substantial; however, in the second half of the year, we saw those numbers dip back down to levels seen in 2023. This was due to vulnerability churn: a handful of published security issues were revoked. The widespread adoption of secure development practices and the move toward safer languages also pushed those numbers down, though even that couldn’t stop the overall flood of vulnerabilities.
Exploitation statistics
This section contains statistics on the use of exploits in Q4 2025. The data is based on open sources and our telemetry.
Windows and Linux vulnerability exploitation
In Q4 2025, the most prevalent exploits targeted the exact same vulnerabilities that dominated the threat landscape throughout the rest of the year. These were exploits targeting Microsoft Office products with unpatched security flaws.
Kaspersky solutions detected the most exploits on the Windows platform for the following vulnerabilities:
CVE-2018-0802: a remote code execution vulnerability in Equation Editor.
CVE-2017-11882: another remote code execution vulnerability, also affecting Equation Editor.
CVE-2017-0199: a vulnerability in Microsoft Office and WordPad that allows an attacker to assume control of the system.
The list has remained unchanged for years.
We also see that attackers continue to adapt exploits for directory traversal vulnerabilities (CWE-35) when unpacking archives in WinRAR. They are being heavily leveraged to gain initial access via malicious archives on the Windows operating system:
CVE-2023-38831: a vulnerability stemming from the improper handling of objects within an archive.
CVE-2025-6218 (formerly ZDI-CAN-27198): a vulnerability that enables an attacker to specify a relative path and extract files into an arbitrary directory. This can lead to arbitrary code execution. We covered this vulnerability in detail in our Q2 2025 report.
CVE-2025-8088: a vulnerability we analyzed in our previous report, analogous to CVE-2025-6218. The attackers used NTFS streams to circumvent controls on the directory into which files were being unpacked.
As in the previous quarter, we see a rise in the use of archiver exploits, with fresh vulnerabilities increasingly appearing in attacks.
Below are the exploit detection trends for Windows users over the last two years.
Dynamics of the number of Windows users encountering exploits, Q1 2024 – Q4 2025. The number of users who encountered exploits in Q1 2024 is taken as 100% (download)
The vulnerabilities listed here can be used to gain initial access to a vulnerable system. This highlights the critical importance of timely security updates for all affected software.
On Linux-based devices, the most frequently detected exploits targeted the following vulnerabilities:
CVE-2022-0847, also known as Dirty Pipe: a vulnerability that allows privilege escalation and enables attackers to take control of running applications.
CVE-2019-13272: a vulnerability caused by improper handling of privilege inheritance, which can be exploited to achieve privilege escalation.
CVE-2021-22555: a heap overflow vulnerability in the Netfilter kernel subsystem.
CVE-2023-32233: another vulnerability in the Netfilter subsystem that creates a use-after-free condition, allowing for privilege escalation due to the improper handling of network requests.
Dynamics of the number of Linux users encountering exploits, Q1 2024 – Q4 2025. The number of users who encountered exploits in Q1 2024 is taken as 100% (download)
We are seeing a massive surge in Linux-based exploit attempts: in Q4, the number of affected users doubled compared to Q3. Our statistics show that the final quarter of the year accounted for more than half of all Linux exploit attacks recorded for the entire year. This surge is primarily driven by the rapidly growing number of Linux-based consumer devices. This trend naturally attracts the attention of threat actors, making the installation of security patches critically important.
Most common published exploits
The distribution of published exploits by software type in Q4 2025 largely mirrors the patterns observed in the previous quarter. The majority of exploits we investigate through our monitoring of public research, news, and PoCs continue to target vulnerabilities within operating systems.
Distribution of published exploits by platform, Q1 2025 (download)
Distribution of published exploits by platform, Q2 2025 (download)
Distribution of published exploits by platform, Q3 2025 (download)
Distribution of published exploits by platform, Q4 2025 (download)
In Q4 2025, no public exploits for Microsoft Office products emerged; the bulk of the vulnerabilities were issues discovered in system components. When calculating our statistics, we placed these in the OS category.
Vulnerability exploitation in APT attacks
We analyzed which vulnerabilities were utilized in APT attacks during Q4 2025. The following rankings draw on our telemetry, research, and open-source data.
TOP 10 vulnerabilities exploited in APT attacks, Q4 2025 (download)
In Q4 2025, APT attacks most frequently exploited fresh vulnerabilities published within the last six months. We believe that these CVEs will remain favorites among attackers for a long time, as fixing them may require significant structural changes to the vulnerable applications or the user’s system. Often, replacing or updating the affected components requires a significant amount of resources. Consequently, the probability of an attack through such vulnerabilities may persist. Some of these new vulnerabilities are likely to become frequent tools for lateral movement within user infrastructure, as the corresponding security flaws have been discovered in network services that are accessible without authentication. This heavy exploitation of very recently registered vulnerabilities highlights the ability of threat actors to rapidly implement new techniques and adapt old ones for their attacks. Therefore, we strongly recommend applying the security patches provided by vendors.
C2 frameworks
In this section, we will look at the most popular C2 frameworks used by threat actors and analyze the vulnerabilities whose exploits interacted with C2 agents in APT attacks.
The chart below shows the frequency of known C2 framework usage in attacks against users during Q4 2025, according to open sources.
TOP 10 C2 frameworks used by APTs to compromise user systems in Q4 2025 (download)
Despite the significant footprints it can leave when used in its default configuration, Sliver continues to hold the top spot among the most common C2 frameworks in our Q4 2025 analysis. Mythic and Havoc were second and third, respectively. After reviewing open sources and analyzing malicious C2 agent samples that contained exploits, we found that the following vulnerabilities were used in APT attacks involving the C2 frameworks mentioned above:
CVE-2025-55182: a React2Shell vulnerability in React Server Components that allows an unauthenticated user to send commands directly to the server and execute them from RAM.
CVE-2023-36884: a vulnerability in the Windows Search component that allows the execution of commands on a system, bypassing security mechanisms built into Microsoft Office applications.
CVE-2025-53770: a critical insecure deserialization vulnerability in Microsoft SharePoint that allows an unauthenticated user to execute commands on the server.
CVE-2020-1472, also known as Zerologon, allows for compromising a vulnerable domain controller and executing commands as a privileged user.
CVE-2021-34527, also known as PrintNightmare, exploits flaws in the Windows print spooler subsystem, enabling remote access to a vulnerable OS and high-privilege command execution.
CVE-2025-8088 and CVE-2025-6218 are similar directory-traversal vulnerabilities that allow extracting files from an archive to a predefined path without the archiving utility notifying the user.
The set of vulnerabilities described above suggests that attackers have been using them for initial access and early-stage maneuvers in vulnerable systems to create a springboard for deploying a C2 agent. The list of vulnerabilities includes both zero-days and well-known, established security issues.
Notable vulnerabilities
This section highlights the most noteworthy vulnerabilities that were publicly disclosed in Q4 2025 and have a publicly available description.
React2Shell (CVE-2025-55182): a vulnerability in React Server Components
We typically describe vulnerabilities affecting a specific application. CVE-2025-55182 stood out as an exception, as it was discovered in React, a library primarily used for building web applications. This means that exploiting the vulnerability could potentially disrupt a vast number of applications that rely on the library. The vulnerability itself lies in the interaction mechanism between the client and server components, which is built on sending serialized objects. If an attacker sends serialized data containing malicious functionality, they can execute JavaScript commands directly on the server, bypassing all client-side request validation. Technical details about this vulnerability and an example of how Kaspersky solutions detect it can be found in our article.
CVE-2025-54100: command injection during the execution of curl (Invoke-WebRequest)
This vulnerability represents a data-handling flaw that occurs when retrieving information from a remote server: when executing the curl or Invoke-WebRequest command, Windows launches Internet Explorer in the background. This can lead to a cross-site scripting (XSS) attack.
CVE-2025-11001: a vulnerability in 7-Zip
This vulnerability reinforces the trend of exploiting security flaws found in file archivers. The core of CVE-2025-11001 lies in the incorrect handling of symbolic links. An attacker can craft an archive so that when it is extracted into an arbitrary directory, its contents end up in the location pointed to by a symbolic link. The likelihood of exploiting this vulnerability is significantly reduced because utilizing such functionality requires the user opening the archive to possess system administrator privileges.
This vulnerability was associated with a wave of misleading news reports claiming it was being used in real-world attacks against end users. This misconception stemmed from an error in the security bulletin.
RediShell (CVE-2025-49844): a vulnerability in Redis
The year 2025 saw a surge in high-profile vulnerabilities, several of which were significant enough to earn a unique nickname. This was the case with CVE-2025-49844, also known as RediShell, which was unveiled during a hacking competition. This vulnerability is a use-after-free issue related to how the load command functions within Lua interpreter scripts. To execute the attack, an attacker needs to prepare a malicious script and load it into the interpreter.
As with any named vulnerability, RediShell was immediately weaponized by threat actors and spammers, albeit in a somewhat unconventional manner. Because technical details were initially scarce following its disclosure, the internet was flooded with fake PoC exploits and scanners claiming to test for the vulnerability. In the best-case scenario, these tools were non-functional; in the worst, they infected the system. Notably, these fraudulent projects were frequently generated using LLMs. They followed a standardized template and often cross-referenced source code from other identical fake repositories.
CVE-2025-24990: a vulnerability in the ltmdm64.sys driver
Driver vulnerabilities are often discovered in legitimate third-party applications that have been part of the official OS distribution for a long time. Thus, CVE-2025-24990 has existed within code shipped by Microsoft throughout nearly the entire history of Windows. The vulnerable driver has been shipped since at least Windows 7 as a third-party driver for Agere Modem. According to Microsoft, this driver is no longer supported and, following the discovery of the flaw, was removed from the OS distribution entirely.
The vulnerability itself is straightforward: insecure handling of IOCTL codes leading to a null pointer dereference. Successful exploitation can lead to arbitrary command execution or a system crash resulting in a blue screen of death (BSOD) on modern systems.
CVE-2025-59287: a vulnerability in Windows Server Update Services (WSUS)
CVE-2025-59287 represents a textbook case of insecure deserialization. Exploitation is possible without any form of authentication; due to its ease of use, this vulnerability rapidly gained traction among threat actors. Technical details and detection methodologies for our product suite have been covered in our previous advisories.
Conclusion and advice
In Q4 2025, the rate of vulnerability registration has shown no signs of slowing down. Consequently, consistent monitoring and the timely application of security patches have become more critical than ever. To ensure resilient defense, it is vital to regularly assess and remediate known vulnerabilities while implementing technology designed to mitigate the impact of potential exploits.
Continuous monitoring of infrastructure, including the network perimeter, allows for the timely identification of threats and prevents them from escalating. Effective security also demands tracking the current threat landscape and applying preventative measures to minimize risks associated with system flaws. Kaspersky Next serves as a reliable partner in this process, providing real-time identification and detailed mapping of vulnerabilities within the environment.
Securing the workplace remains a top priority. Protecting corporate devices requires the adoption of solutions capable of blocking malware and preventing it from spreading. Beyond basic measures, organizations should implement adaptive systems that allow for the rapid deployment of security updates and the automation of patch management workflows.
Starting from the third quarter of 2025, we have updated our statistical methodology based on the Kaspersky Security Network. These changes affect all sections of the report except for the installation package statistics, which remain unchanged.
To illustrate trends between reporting periods, we have recalculated the previous year’s data; consequently, these figures may differ significantly from previously published numbers. All subsequent reports will be generated using this new methodology, ensuring accurate data comparisons with the findings presented in this article.
Kaspersky Security Network (KSN) is a global network for analyzing anonymized threat intelligence, voluntarily shared by Kaspersky users. The statistics in this report are based on KSN data unless explicitly stated otherwise.
The year in figures
According to Kaspersky Security Network, in 2025:
Over 14 million attacks involving malware, adware or unwanted mobile software were blocked.
Adware remained the most prevalent mobile threat, accounting for 62% of all detections.
Over 815 thousand malicious installation packages were detected, including 255 thousand mobile banking Trojans.
The year’s highlights
In 2025, cybercriminals launched an average of approximately 1.17 million attacks per month against mobile devices using malicious, advertising, or unwanted software. In total, Kaspersky solutions blocked 14,059,465 attacks throughout the year.
Attacks on Kaspersky mobile users in 2025 (download)
Beyond the malware mentioned in previous quarterly reports, 2025 saw the discovery of several other notable Trojans. Among these, in Q4 we uncovered the Keenadu preinstalled backdoor. This malware is integrated into device firmware during the manufacturing stage. The malicious code is injected into libandroid_runtime.so – a core library for the Android Java runtime environment – allowing a copy of the backdoor to enter the address space of every app running on the device. Depending on the specific app, the malware can then perform actions such as inflating ad views, displaying banners on behalf of other apps, or hijacking search queries. The functionality of Keenadu is virtually unlimited, as its malicious modules are downloaded dynamically and can be updated remotely.
Cybersecurity researchers also identified the Kimwolf IoT botnet, which specifically targets Android TV boxes. Infected devices are capable of launching DDoS attacks, operating as reverse proxies, and executing malicious commands via a reverse shell. Subsequent analysis revealed that Kimwolf’s reverse proxy functionality was being leveraged by proxy providers to use compromised home devices as residential proxies.
Another notable discovery in 2025 was the LunaSpy Trojan.
LunaSpy Trojan, distributed under the guise of an antivirus app
Disguised as antivirus software, this spyware exfiltrates browser passwords, messaging app credentials, SMS messages, and call logs. Furthermore, it is capable of recording audio via the device’s microphone and capturing video through the camera. This threat primarily targeted users in Russia.
Mobile threat statistics
815,735 new unique installation packages were observed in 2025, showing a decrease compared to the previous year. While the decline in 2024 was less pronounced, this past year saw the figure drop by nearly one-third.
Detected Android-specific malware and unwanted software installation packages in 2022–2025 (download)
The overall decrease in detected packages is primarily due to a reduction in apps categorized as not-a-virus. Conversely, the number of Trojans has increased significantly, a trend clearly reflected in the distribution data below.
Detected packages by type
Distribution* of detected mobile software by type, 2024–2025 (download)
* The data for the previous year may differ from previously published data due to some verdicts being retrospectively revised.
A significant increase in Trojan-Banker and Trojan-Spy apps was accompanied by a decline in AdWare and RiskTool files. The most prevalent banking Trojans were Mamont (accounting for 49.8% of apps) and Creduz (22.5%). Leading the persistent adware category were MobiDash (39%), Adlo (27%), and HiddenAd (20%).
Share* of users attacked by each type of malware or unwanted software out of all users of Kaspersky mobile solutions attacked in 2024–2025 (download)
* The total may exceed 100% if the same users encountered multiple attack types.
Trojan-Banker malware saw a significant surge in 2025, not only in terms of unique file counts but also in the total number of attacks. Nevertheless, this category ranked fourth overall, trailing far behind the Trojan file category, which was dominated by various modifications of Triada and Fakemoney.
TOP 20 types of mobile malware
Note that the malware rankings below exclude riskware and potentially unwanted apps, such as RiskTool and adware.
Verdict
% 2024*
% 2025*
Difference in p.p.
Change in ranking
Trojan.AndroidOS.Triada.fe
0.04
9.84
+9.80
Trojan.AndroidOS.Triada.gn
2.94
8.14
+5.21
+6
Trojan.AndroidOS.Fakemoney.v
7.46
7.97
+0.51
+1
DangerousObject.Multi.Generic
7.73
5.83
–1.91
–2
Trojan.AndroidOS.Triada.ii
0.00
5.25
+5.25
Trojan-Banker.AndroidOS.Mamont.da
0.10
4.12
+4.02
Trojan.AndroidOS.Triada.ga
10.56
3.75
–6.81
–6
Trojan-Banker.AndroidOS.Mamont.db
0.01
3.53
+3.51
Backdoor.AndroidOS.Triada.z
0.00
2.79
+2.79
Trojan-Banker.AndroidOS.Coper.c
0.81
2.54
+1.72
+35
Trojan-Clicker.AndroidOS.Agent.bh
0.34
2.48
+2.14
+74
Trojan-Dropper.Linux.Agent.gen
1.82
2.37
+0.55
+4
Trojan.AndroidOS.Boogr.gsh
5.41
2.06
–3.35
–8
DangerousObject.AndroidOS.GenericML
2.42
1.97
–0.45
–3
Trojan.AndroidOS.Triada.gs
3.69
1.93
–1.76
–9
Trojan-Downloader.AndroidOS.Agent.no
0.00
1.87
+1.87
Trojan.AndroidOS.Triada.hf
0.00
1.75
+1.75
Trojan-Banker.AndroidOS.Mamont.bc
1.13
1.65
+0.51
+8
Trojan.AndroidOS.Generic.
2.13
1.47
–0.66
–6
Trojan.AndroidOS.Triada.hy
0.00
1.44
+1.44
* Unique users who encountered this malware as a percentage of all attacked users of Kaspersky mobile solutions.
The list is largely dominated by the Triada family, which is distributed via malicious modifications of popular messaging apps. Another infection vector involves tricking victims into installing an official messaging app within a “customized virtual environment” that supposedly offers enhanced configuration options. Fakemoney scam applications, which promise fraudulent investment opportunities or fake payouts, continue to target users frequently, ranking third in our statistics. Meanwhile, the Mamont banking Trojan variants occupy the 6th, 8th, and 18th positions by number of attacks. The Triada backdoor preinstalled in the firmware of certain devices reached the 9th spot.
Region-specific malware
This section describes malware families whose attack campaigns are concentrated within specific countries.
Verdict
Country*
%**
Trojan-Banker.AndroidOS.Coper.a
Türkiye
95.74
Trojan-Dropper.AndroidOS.Hqwar.bj
Türkiye
94.96
Trojan.AndroidOS.Thamera.bb
India
94.71
Trojan-Proxy.AndroidOS.Agent.q
Germany
93.70
Trojan-Banker.AndroidOS.Coper.c
Türkiye
93.42
Trojan-Banker.AndroidOS.Rewardsteal.lv
India
92.44
Trojan-Banker.AndroidOS.Rewardsteal.jp
India
92.31
Trojan-Banker.AndroidOS.Rewardsteal.ib
India
91.91
Trojan-Dropper.AndroidOS.Rewardsteal.h
India
91.45
Trojan-Banker.AndroidOS.Rewardsteal.nk
India
90.98
Trojan-Dropper.AndroidOS.Agent.sm
Türkiye
90.34
Trojan-Dropper.AndroidOS.Rewardsteal.ac
India
89.38
Trojan-Banker.AndroidOS.Rewardsteal.oa
India
89.18
Trojan-Banker.AndroidOS.Rewardsteal.ma
India
88.58
Trojan-Spy.AndroidOS.SmForw.ko
India
88.48
Trojan-Dropper.AndroidOS.Pylcasa.c
Brazil
88.25
Trojan-Dropper.AndroidOS.Hqwar.bf
Türkiye
88.15
Trojan-Banker.AndroidOS.Agent.pp
India
87.85
* Country where the malware was most active. ** Unique users who encountered the malware in the indicated country as a percentage of all users of Kaspersky mobile solutions who were attacked by the same malware.
Türkiye saw the highest concentration of attacks from Coper banking Trojans and their associated Hqwar droppers. In India, Rewardsteal Trojans continued to proliferate, exfiltrating victims’ payment data under the guise of monetary giveaways. Additionally, India saw a resurgence of the Thamera Trojan, which we previously observed frequently attacking users in 2023. This malware hijacks the victim’s device to illicitly register social media accounts.
The Trojan-Proxy.AndroidOS.Agent.q campaign, concentrated in Germany, utilized a compromised third-party application designed for tracking discounts at a major German retail chain. Attackers monetized these infections through unauthorized use of the victims’ devices as residential proxies.
In Brazil, 2025 saw a concentration of Pylcasa Trojan attacks. This malware is primarily used to redirect users to phishing pages or illicit online casino sites.
Mobile banking Trojans
The number of new banking Trojan installation packages surged to 255,090, representing a several-fold increase over previous years.
Mobile banking Trojan installation packages detected by Kaspersky in 2022–2025 (download)
Notably, the total number of attacks involving bankers grew by 1.5 times, maintaining the same growth rate seen in the previous year. Given the sharp spike in the number of unique malicious packages, we can conclude that these attacks yield significant profit for cybercriminals. This is further evidenced by the fact that threat actors continue to diversify their delivery channels and accelerate the production of new variants in an effort to evade detection by security solutions.
TOP 10 mobile bankers
Verdict
% 2024*
% 2025*
Difference in p.p.
Change in ranking
Trojan-Banker.AndroidOS.Mamont.da
0.86
15.65
+14.79
+28
Trojan-Banker.AndroidOS.Mamont.db
0.12
13.41
+13.29
Trojan-Banker.AndroidOS.Coper.c
7.19
9.65
+2.46
+2
Trojan-Banker.AndroidOS.Mamont.bc
10.03
6.26
–3.77
–3
Trojan-Banker.AndroidOS.Mamont.ev
0.00
4.10
+4.10
Trojan-Banker.AndroidOS.Coper.a
9.04
4.00
–5.04
–4
Trojan-Banker.AndroidOS.Mamont.ek
0.00
3.73
+3.73
Trojan-Banker.AndroidOS.Mamont.cb
0.64
3.04
+2.40
+26
Trojan-Banker.AndroidOS.Faketoken.pac
2.17
2.95
+0.77
+5
Trojan-Banker.AndroidOS.Mamont.hi
0.00
2.75
+2.75
* Unique users who encountered this malware as a percentage of all users of Kaspersky mobile solutions who encountered banking threats.
In 2025, we observed a massive surge in activity from Mamont banking Trojans. They accounted for approximately half of all new apps in their category and also were utilized in half of all banking Trojan attacks.
Conclusion
The year 2025 saw a continuing trend toward a decline in total unique unwanted software installation packages. However, we noted a significant year-over-year increase in specific threats – most notably mobile banking Trojans and spyware – even though adware remained the most frequently detected threat overall.
Among the mobile threats detected, we have seen an increased prevalence of preinstalled backdoors, such as Triada and Keenadu. Consistent with last year’s findings, certain mobile malware families continue to proliferate via official app stores. Finally, we have observed a growing interest among threat actors in leveraging compromised devices as proxies.
Starting from the third quarter of 2025, we have updated our statistical methodology based on the Kaspersky Security Network. These changes affect all sections of the report except for the installation package statistics, which remain unchanged.
To illustrate trends between reporting periods, we have recalculated the previous year’s data; consequently, these figures may differ significantly from previously published numbers. All subsequent reports will be generated using this new methodology, ensuring accurate data comparisons with the findings presented in this article.
Kaspersky Security Network (KSN) is a global network for analyzing anonymized threat intelligence, voluntarily shared by Kaspersky users. The statistics in this report are based on KSN data unless explicitly stated otherwise.
The year in figures
According to Kaspersky Security Network, in 2025:
Over 14 million attacks involving malware, adware or unwanted mobile software were blocked.
Adware remained the most prevalent mobile threat, accounting for 62% of all detections.
Over 815 thousand malicious installation packages were detected, including 255 thousand mobile banking Trojans.
The year’s highlights
In 2025, cybercriminals launched an average of approximately 1.17 million attacks per month against mobile devices using malicious, advertising, or unwanted software. In total, Kaspersky solutions blocked 14,059,465 attacks throughout the year.
Attacks on Kaspersky mobile users in 2025 (download)
Beyond the malware mentioned in previous quarterly reports, 2025 saw the discovery of several other notable Trojans. Among these, in Q4 we uncovered the Keenadu preinstalled backdoor. This malware is integrated into device firmware during the manufacturing stage. The malicious code is injected into libandroid_runtime.so – a core library for the Android Java runtime environment – allowing a copy of the backdoor to enter the address space of every app running on the device. Depending on the specific app, the malware can then perform actions such as inflating ad views, displaying banners on behalf of other apps, or hijacking search queries. The functionality of Keenadu is virtually unlimited, as its malicious modules are downloaded dynamically and can be updated remotely.
Cybersecurity researchers also identified the Kimwolf IoT botnet, which specifically targets Android TV boxes. Infected devices are capable of launching DDoS attacks, operating as reverse proxies, and executing malicious commands via a reverse shell. Subsequent analysis revealed that Kimwolf’s reverse proxy functionality was being leveraged by proxy providers to use compromised home devices as residential proxies.
Another notable discovery in 2025 was the LunaSpy Trojan.
LunaSpy Trojan, distributed under the guise of an antivirus app
Disguised as antivirus software, this spyware exfiltrates browser passwords, messaging app credentials, SMS messages, and call logs. Furthermore, it is capable of recording audio via the device’s microphone and capturing video through the camera. This threat primarily targeted users in Russia.
Mobile threat statistics
815,735 new unique installation packages were observed in 2025, showing a decrease compared to the previous year. While the decline in 2024 was less pronounced, this past year saw the figure drop by nearly one-third.
Detected Android-specific malware and unwanted software installation packages in 2022–2025 (download)
The overall decrease in detected packages is primarily due to a reduction in apps categorized as not-a-virus. Conversely, the number of Trojans has increased significantly, a trend clearly reflected in the distribution data below.
Detected packages by type
Distribution* of detected mobile software by type, 2024–2025 (download)
* The data for the previous year may differ from previously published data due to some verdicts being retrospectively revised.
A significant increase in Trojan-Banker and Trojan-Spy apps was accompanied by a decline in AdWare and RiskTool files. The most prevalent banking Trojans were Mamont (accounting for 49.8% of apps) and Creduz (22.5%). Leading the persistent adware category were MobiDash (39%), Adlo (27%), and HiddenAd (20%).
Share* of users attacked by each type of malware or unwanted software out of all users of Kaspersky mobile solutions attacked in 2024–2025 (download)
* The total may exceed 100% if the same users encountered multiple attack types.
Trojan-Banker malware saw a significant surge in 2025, not only in terms of unique file counts but also in the total number of attacks. Nevertheless, this category ranked fourth overall, trailing far behind the Trojan file category, which was dominated by various modifications of Triada and Fakemoney.
TOP 20 types of mobile malware
Note that the malware rankings below exclude riskware and potentially unwanted apps, such as RiskTool and adware.
Verdict
% 2024*
% 2025*
Difference in p.p.
Change in ranking
Trojan.AndroidOS.Triada.fe
0.04
9.84
+9.80
Trojan.AndroidOS.Triada.gn
2.94
8.14
+5.21
+6
Trojan.AndroidOS.Fakemoney.v
7.46
7.97
+0.51
+1
DangerousObject.Multi.Generic
7.73
5.83
–1.91
–2
Trojan.AndroidOS.Triada.ii
0.00
5.25
+5.25
Trojan-Banker.AndroidOS.Mamont.da
0.10
4.12
+4.02
Trojan.AndroidOS.Triada.ga
10.56
3.75
–6.81
–6
Trojan-Banker.AndroidOS.Mamont.db
0.01
3.53
+3.51
Backdoor.AndroidOS.Triada.z
0.00
2.79
+2.79
Trojan-Banker.AndroidOS.Coper.c
0.81
2.54
+1.72
+35
Trojan-Clicker.AndroidOS.Agent.bh
0.34
2.48
+2.14
+74
Trojan-Dropper.Linux.Agent.gen
1.82
2.37
+0.55
+4
Trojan.AndroidOS.Boogr.gsh
5.41
2.06
–3.35
–8
DangerousObject.AndroidOS.GenericML
2.42
1.97
–0.45
–3
Trojan.AndroidOS.Triada.gs
3.69
1.93
–1.76
–9
Trojan-Downloader.AndroidOS.Agent.no
0.00
1.87
+1.87
Trojan.AndroidOS.Triada.hf
0.00
1.75
+1.75
Trojan-Banker.AndroidOS.Mamont.bc
1.13
1.65
+0.51
+8
Trojan.AndroidOS.Generic.
2.13
1.47
–0.66
–6
Trojan.AndroidOS.Triada.hy
0.00
1.44
+1.44
* Unique users who encountered this malware as a percentage of all attacked users of Kaspersky mobile solutions.
The list is largely dominated by the Triada family, which is distributed via malicious modifications of popular messaging apps. Another infection vector involves tricking victims into installing an official messaging app within a “customized virtual environment” that supposedly offers enhanced configuration options. Fakemoney scam applications, which promise fraudulent investment opportunities or fake payouts, continue to target users frequently, ranking third in our statistics. Meanwhile, the Mamont banking Trojan variants occupy the 6th, 8th, and 18th positions by number of attacks. The Triada backdoor preinstalled in the firmware of certain devices reached the 9th spot.
Region-specific malware
This section describes malware families whose attack campaigns are concentrated within specific countries.
Verdict
Country*
%**
Trojan-Banker.AndroidOS.Coper.a
Türkiye
95.74
Trojan-Dropper.AndroidOS.Hqwar.bj
Türkiye
94.96
Trojan.AndroidOS.Thamera.bb
India
94.71
Trojan-Proxy.AndroidOS.Agent.q
Germany
93.70
Trojan-Banker.AndroidOS.Coper.c
Türkiye
93.42
Trojan-Banker.AndroidOS.Rewardsteal.lv
India
92.44
Trojan-Banker.AndroidOS.Rewardsteal.jp
India
92.31
Trojan-Banker.AndroidOS.Rewardsteal.ib
India
91.91
Trojan-Dropper.AndroidOS.Rewardsteal.h
India
91.45
Trojan-Banker.AndroidOS.Rewardsteal.nk
India
90.98
Trojan-Dropper.AndroidOS.Agent.sm
Türkiye
90.34
Trojan-Dropper.AndroidOS.Rewardsteal.ac
India
89.38
Trojan-Banker.AndroidOS.Rewardsteal.oa
India
89.18
Trojan-Banker.AndroidOS.Rewardsteal.ma
India
88.58
Trojan-Spy.AndroidOS.SmForw.ko
India
88.48
Trojan-Dropper.AndroidOS.Pylcasa.c
Brazil
88.25
Trojan-Dropper.AndroidOS.Hqwar.bf
Türkiye
88.15
Trojan-Banker.AndroidOS.Agent.pp
India
87.85
* Country where the malware was most active. ** Unique users who encountered the malware in the indicated country as a percentage of all users of Kaspersky mobile solutions who were attacked by the same malware.
Türkiye saw the highest concentration of attacks from Coper banking Trojans and their associated Hqwar droppers. In India, Rewardsteal Trojans continued to proliferate, exfiltrating victims’ payment data under the guise of monetary giveaways. Additionally, India saw a resurgence of the Thamera Trojan, which we previously observed frequently attacking users in 2023. This malware hijacks the victim’s device to illicitly register social media accounts.
The Trojan-Proxy.AndroidOS.Agent.q campaign, concentrated in Germany, utilized a compromised third-party application designed for tracking discounts at a major German retail chain. Attackers monetized these infections through unauthorized use of the victims’ devices as residential proxies.
In Brazil, 2025 saw a concentration of Pylcasa Trojan attacks. This malware is primarily used to redirect users to phishing pages or illicit online casino sites.
Mobile banking Trojans
The number of new banking Trojan installation packages surged to 255,090, representing a several-fold increase over previous years.
Mobile banking Trojan installation packages detected by Kaspersky in 2022–2025 (download)
Notably, the total number of attacks involving bankers grew by 1.5 times, maintaining the same growth rate seen in the previous year. Given the sharp spike in the number of unique malicious packages, we can conclude that these attacks yield significant profit for cybercriminals. This is further evidenced by the fact that threat actors continue to diversify their delivery channels and accelerate the production of new variants in an effort to evade detection by security solutions.
TOP 10 mobile bankers
Verdict
% 2024*
% 2025*
Difference in p.p.
Change in ranking
Trojan-Banker.AndroidOS.Mamont.da
0.86
15.65
+14.79
+28
Trojan-Banker.AndroidOS.Mamont.db
0.12
13.41
+13.29
Trojan-Banker.AndroidOS.Coper.c
7.19
9.65
+2.46
+2
Trojan-Banker.AndroidOS.Mamont.bc
10.03
6.26
–3.77
–3
Trojan-Banker.AndroidOS.Mamont.ev
0.00
4.10
+4.10
Trojan-Banker.AndroidOS.Coper.a
9.04
4.00
–5.04
–4
Trojan-Banker.AndroidOS.Mamont.ek
0.00
3.73
+3.73
Trojan-Banker.AndroidOS.Mamont.cb
0.64
3.04
+2.40
+26
Trojan-Banker.AndroidOS.Faketoken.pac
2.17
2.95
+0.77
+5
Trojan-Banker.AndroidOS.Mamont.hi
0.00
2.75
+2.75
* Unique users who encountered this malware as a percentage of all users of Kaspersky mobile solutions who encountered banking threats.
In 2025, we observed a massive surge in activity from Mamont banking Trojans. They accounted for approximately half of all new apps in their category and also were utilized in half of all banking Trojan attacks.
Conclusion
The year 2025 saw a continuing trend toward a decline in total unique unwanted software installation packages. However, we noted a significant year-over-year increase in specific threats – most notably mobile banking Trojans and spyware – even though adware remained the most frequently detected threat overall.
Among the mobile threats detected, we have seen an increased prevalence of preinstalled backdoors, such as Triada and Keenadu. Consistent with last year’s findings, certain mobile malware families continue to proliferate via official app stores. Finally, we have observed a growing interest among threat actors in leveraging compromised devices as proxies.
For the latest discoveries in cyber research for the week of 2nd March, please download our Threat Intelligence Bulletin.
TOP ATTACKS AND BREACHES
Wynn Resorts, a United States-based casino and hotel operator, has confirmed that employee data was accessed following an extortion threat linked to ShinyHunters. The company said operations were not disrupted. Reports indicate the stolen dataset includes HR-related information, including contact details and employment records for current and former staff.
UFP Technologies, a United States-based medical device manufacturing giant, has disclosed a cyberattack that compromised parts of its IT environment and resulted in data exfiltration. The company reported disruptions to shipping and labeling workflows. According to the company, some of its data was wiped in the attack.
Transport Workers Union of America Local 100, which represents New York City transit workers, was targeted by the Qilin ransomware group and listed on its leak site. According to reports, personal data of the union’s 67,000 members is now at risk of fraud and identity misuse.
Check Point Harmony Endpoint and Threat Emulation provide protection against this threat (Ransomware.Wins.Qilin.ta.* Ransomware.Wins.Qilin.)
European home improvement marketplace ManoMano has reported a data breach tied to a third-party customer support portal. The exposed records include customer names, email addresses, phone numbers, and support ticket details. ManoMano said passwords and payment data were not affected, and notifications are being sent to impacted users.
AI THREATS
Check Point Research has discovered critical vulnerabilities in Anthropic’s Claude Code that allow attackers to achieve remote code execution and steal API credentials through malicious project configurations. Stolen keys can provide access to shared Workspaces for file access and tampering. Anthropic patched the issues, including CVE-2025-59536.
Anthropic warns of coordinated “distillation” activity attributed to China-based AI firms, including DeepSeek, MiniMax, and Moonshot. Anthropic said fraudulent accounts generated millions of Claude exchanges aimed at extracting reasoning, coding, and agent workflows. The activity was described as an effort to train competing models.
OpenAI has released a report listing malicious attempts to misuse its models. Among the threats listed in the report is an influence operation attempt linked to Chinese law enforcement, which targeted Japan’s prime minister.
VULNERABILITIES AND PATCHES
Two Roundcube Webmail flaws have been listed as exploited in the wild, including CVE-2025-49113, a high-severity post-auth remote code execution bug. The second issue, CVE-2025-68461, is an unauthenticated cross-site scripting flaw. The bugs affect widely used Roundcube deployments, including cPanel environments globally.
Check Point IPS provides protection against this threat (Roundcube Webmail Remote Code Execution (CVE-2025-49113))
Researchers have unveiled a pre-auth remote code execution chain in SolarWinds Web Help Desk. The chain combines authentication bypass flaws CVE-2025-40552 and CVE-2025-40554 with deserialization RCE CVE-2025-40553. A successful attack can allow takeover of exposed help desk servers without credentials. The flaws affect widely deployed on-premises instances.
Check Point IPS provides protection against these threats (SolarWinds Web Help Desk Authentication Bypass (CVE-2025-40536, CVE-2025-40554, CVE-2025-40552), SolarWinds Web Help Desk Insecure Deserialization (CVE-2024-28986, CVE-2024-28988, CVE-2025-40553, CVE-2025-26399))
Researchers alerted organizations about CVE-2026-20127, a critical authentication bypass in Cisco Catalyst SD-WAN Controller (CVSS 10) exploited in the wild for at least three years. Attackers can log in with high privileges, add rogue peers, and downgrade controllers to exploit CVE-2022-20775 for root access. CISA issued an emergency directive mandating fast patching.
THREAT INTELLIGENCE REPORTS
Check Point Research summarizes five key Iranian threat actor clusters relevant to the current conflict in the Middle East. It outlines the main TTPs these groups have recently used against targets in the Middle East and the United States and shares six defensive measures IT teams should take to help prevent attacks during the ongoing conflict.
Check Point Research has published its Untold Stories of 2025, a compilation covering multiple notable campaigns that occurred during 2025. These include exploitation of Microsoft SharePoint (“ToolShell”), and adversary-in-the-middle phishing used to bypass MFA, as well as state-linked operations attributed to groups such as Camaro Dragon and COLDRIVER. The report also highlights evolving command-and-control techniques observed across Europe and Central Asia.
Lazarus-linked operators were observed using Medusa ransomware in recent intrusions, including activity against a Middle Eastern entity and attempted access at a US healthcare organization. Medusa is described as a ransomware-as-a-service operation with leak-site activity.
Check Point Harmony Endpoint and Threat Emulation provide protection against this threat.
Researchers have uncovered GrayCharlie activity targeting WordPress sites by injecting external JavaScript that profiles visitors and delivers malware through fake updates or ClickFix-style prompts. Reporting links infections to NetSupport tooling, followed by Stealc and SectopRAT.
For the latest discoveries in cyber research for the week of 23rd February, please download our Threat Intelligence Bulletin.
TOP ATTACKS AND BREACHES
France’s Ministry of Economy has disclosed a data breach resulted from an unauthorized access to the national bank account registry FICOBA, impacting information tied to 1.2 million accounts. Exposed data includes names, addresses, account identifiers and, in some cases, tax-related identifiers. Officials said the intrusion involved compromised government credentials.
Japanese tech giant Advantest Corporation was hit by a ransomware attack that resulted in the deployment of ransomware within portions of its network following unauthorized access by a third party on February 15. The incident may have impacted certain internal systems, and the potential compromise of customer or employee data remains unclear.
University of Mississippi Medical Center, an academic healthcare system in Mississippi, has suffered a ransomware attack that forced closures across its clinic network and disrupted access to electronic medical records. The organization canceled elective procedures and shifted to manual processes. Systems were taken offline and no ransomware group claimed responsibility.
Ukraine’s central bank, the National Bank of Ukraine (NBU), has faced a supply-chain incident affecting a contractor that runs its collectible coin online store. Exposed information includes customer registration data, such as names, emails, phone numbers, and delivery addresses. The bank indicated that payment information was not affected.
AI THREATS
Check Point Research unveiled a technique that repurposes AI assistants like Grok and Microsoft Copilot as covert C2 proxies by abusing web-browsing URL fetch features without authentication. Malware exfiltrates host data via query parameters and retrieves commands from AI-generated summaries through hidden WebView2, bypassing inspection of AI traffic.
A Russian-speaking financially motivated threat actor leveraged commercial generative AI tools to conduct mass credential abuse of 600 FortiGate devices in 55 countries from January 11 to February 18, 2026. The attackers targeted Veeam servers, exploiting CVE-2023-27532 and CVE-2024-40711.
Check Point IPS provides protection against this threat (Veeam Backup and Replication Insecure Deserialization (CVE-2024-40711))
Researchers uncovered a Shai-Hulud-like npm supply chain worm spreading via typosquatted packages, stealing developer and CI secrets, exfiltrating via GitHub API with DNS fallback, and propagating by poisoning workflows and git hooks, with MCP server injection targeting AI coding assistants and harvesting LLM API keys.
VULNERABILITIES AND PATCHES
Dell RecoverPoint for VMs, impacted by CVE-2026-22769 (CVSS 10.0) in versions before 6.0.3.1, has been exploited as a zero-day since mid-2024 by suspected Chinese group UNC6201. Attackers used hardcoded Tomcat credentials for unauthenticated root access, deploying SLAYSTYLE, BRICKSTORM, and the GRIMBOLT backdoor, and creating Ghost NICs to pivot and persist in VMware environments.
Check Point IPS and Threat Emulation provide protection against this threat (Dell RecoverPoint For Virtual Machines Arbitrary File Upload (CVE-2026-22769); Trojan.Wins.SLAYSTYLE; Trojan.Wins.BRICKSTORM.ta.*; Trojan.Wins.GRIMBOLT)
Grandstream GXP1600 series VoIP phones are affected by CVE-2026-2329, a critical unauthenticated stack-based buffer overflow in the web API allowing root RCE. Exploitation enables credential theft, SIP proxy reconfiguration, and covert call interception. Firmware version 1.0.7.81 fixes the issue.
Check Point IPS provides protection against this threat (Grandstream GXP1600 Stack Overflow (CVE-2026-2329))
A flaw in Microsoft 365 Copilot allows the “Work Tab” Chat feature to summarize emails protected by confidentiality sensitivity labels, bypassing configured Data Loss Prevention (DLP) policies. The code-level defect enables Copilot to access labeled content in Sent Items and Draft folders, exposing restricted data in AI-generated summaries.
Google has patched CVE-2026-2441, a high-severity Chrome zero-day in the CSS component in Google Chrome prior to 145.0.7632.75, confirmed exploited in the wild. The use-after-free flaw can enable remote code execution within the browser sandbox via a crafted page.
Check Point IPS provides protection against this threat (Google Chrome Use After Free (CVE-2026-2441))
THREAT INTELLIGENCE REPORTS
Researchers have discovered Keenadu, an Android firmware backdoor delivered via supply chain compromise. It uses RC4-encrypted payloads, DexClassLoader, and permission bypass frameworks for ad fraud, search hijacking, and monetization, with links to Triada and BADBOX.
Researchers analyzed Arkanix Stealer, a MaaS infostealer with Python and C++ implants, dynamic server side configuration, and modules including ChromElevator and HVNC. It uses phishing lures, steals from 22 browsers, Telegram and Discord and targets VPN, gaming and crypto wallets.
Researchers have analyzed a spam campaign that abused Atlassian Jira Cloud notifications to bypass email filters by exploiting trusted atlassian.net sender domains with valid SPF and DKIM authentication. The attackers rapidly spun up trial instances and used Jira Automation alongside the Keitaro TDS to distribute localized lures targeting government and corporate sectors.
Researchers identified a Booking.com-themed phishing campaign active since January 2026 that targets hotel partners and guests with a three-stage chain. It leveraged look-alike domains and IDN homographs, collected visitor fingerprinting with decoy pages, conducted partner account takeovers, and used WhatsApp lures to fake payment portals behind Cloudflare CAPTCHA.
AI-Accelerated Attacks, Identity-Enabled Breaches and Expanding Software Supply Chain Exposure Define the 2026 Cyberthreat Landscape
Each year, thousands of organizations experience a cyber incident. An incident can begin with a SOC alert, zero-day vulnerability, ransom demand or widespread business disruption. When the call comes, our global incident responders quickly mobilize to investigate, contain and eradicate the threat.
This year’s Unit 42® 2026 Global Incident Response Report analyzed over 750 major cyber incidents across every major industry in over 50 countries to reveal emerging patterns and lessons for defenders.
The data shows a clear shift in how attacks unfold. Threat actors are moving faster, increasingly leveraging identity and trusted connections, and expanding attacks across multiple attack surfaces. The accelerating speed, scale and complexity of these intrusions mean the window between initial access and business impact is shrinking. Most breaches, however, still succeed due to preventable gaps in visibility and security controls.
Key Findings Show Attacks Are Faster, Broader and Harder to Contain
As adversaries adapt their playbooks, the report highlights several defining trends shaping the 2026 threat landscape:
AI Is Compressing the Attack Timeline: In the fastest cases we investigated, attackers needed just 72 minutes to move from initial access to data exfiltration, 4X faster than last year. We’re seeing AI used in reconnaissance, phishing, scripting and operational execution, which enables machine-like speed at scale.
Identity Is Now a Primary Attack Vehicle: Identity weaknesses played a material role in nearly 90% of our investigations. More often than not, attackers aren’t breaking in; they’re logging in with stolen credentials and tokens, and then exploiting fragmented identity estates to escalate privileges and move laterally without triggering traditional defenses.
Supply Chain Risk Now Drives Operational Disruption: In 23% of incidents, attackers leveraged third-party SaaS applications. By abusing trusted integrations, vendor tools and application dependencies, they bypassed traditional perimeters and expanded the impact well beyond a single system.
Attack Complexity Is Growing: We found that 87% of intrusions involved activity across multiple attack surfaces. Rarely does an attack stay in one environment. Instead, we see coordinated activity across endpoints, networks, cloud, SaaS and identity, forcing defenders to monitor across all of them at once.
The Browser Is a Primary Battleground: Nearly 48% of incidents included browser-based activity. This reflects how often modern attacks intersect with routine workflows, like email, web access and day-to-day SaaS use, turning normal user behavior into an attack vector.
Extortion Is Moving Beyond Encryption: Encryption-based extortion declined 15% from the year before, as more attackers skip encryption and move straight to data theft and disruption. From the attacker’s perspective, it’s faster, quieter and creates immediate pressure without the signals that defenders once relied on to detect ransomware attacks.
Attacks Succeed Because Exposure Still Beats Sophistication
Despite the speed and automation we’re seeing, most of the incidents we respond to don’t start with something radically new. They start with gaps that show up again and again. In many cases, attackers didn’t rely on a sophisticated exploit, but on an overlooked exposure.
Environmental Complexity Undermining Defenses: In over 90% of the incidents we investigated, misconfigurations or gaps in security coverage materially enabled the attack. A big driver of that is tool sprawl. Many organizations are running 50 or more security products, making it extremely difficult to deploy controls consistently or clearly understand what their data is telling them.
Visibility Gaps Delay Detection: In many engagements, the signals were there. When we look back forensically, the evidence is in the logs. But during the attack, teams had to stitch together data from multiple disconnected sources, slowing detection during the most critical early minutes.
Excessive Trust Expands Impact: Once attackers gain a foothold, overly permissive access and unmanaged tokens frequently let them move farther than they should. We repeatedly see identity trust relationships turn a single compromised account into broad lateral movement and privilege escalation.
Attackers are evolving their tools and tactics, but they still win most often from exploited complexity, limited visibility and excessive trust inside modern enterprise environments.
Recommendations for Security Leaders and Defenders
Across more than 750 frontline investigations, three priorities come up again and again in conversations with CISOs and security teams.
Reduce Exposure: Many of the attacks we see begin in places teams didn’t realize were exposed – third-party integrations, unmanaged SaaS connections or everyday browser activity. Reducing exposure means securing the full application ecosystem and treating trusted connections with the same scrutiny as core infrastructure.
Reduce Area of Impact: Once attackers get in, the difference between a contained incident and a major disruption often comes down to identity. Tightening identity and access management while removing unnecessary trust limits how far an attacker can move and how much damage they can cause.
Increase Response Speed: What happens in the first minutes after initial access can determine whether an incident becomes a breach. Security teams need the visibility to see what’s happening across environments and the ability to use AI to detect, identify and prioritize what matters, so the SOC can contain threats at machine speed, faster than the adversary can move.
Conclusion
Every investigation tells a story. How the attacker got in. How quickly they moved. What made the impact worse. Across hundreds of these cases, patterns emerge. Unit 42 operates 24 hours a day, 7 days a week on the frontlines of these incidents, and each year we distill what we learn into practical guidance. The goal of this report is to turn those frontline lessons into decisions that help you close the gaps that attackers still rely on and stop incidents before they become breaches.
For the latest discoveries in cyber research for the week of 16th February, please download our Threat Intelligence Bulletin.
TOP ATTACKS AND BREACHES
Dutch telecom provider Odido was hit by a data breach following unauthorized access to its customer management system. Attackers extracted personal data of 6.2 million customers, including names, addresses, phone numbers, email addresses, bank account details, dates of birth, and passport or ID numbers.
BridgePay Network Solutions, a US payment gateway, has confirmed a ransomware attack that forced it to take core systems offline. The outage disrupted portals for municipalities and merchants nationwide, though initial findings indicate no payment card data exposure and accessed files were encrypted. No ransomware group claimed responsibility for the attack.
Flickr, a photo sharing platform, has experienced a security incident at a third-party email service provider on February 5. The exposure may include names, usernames, email addresses, IP addresses, location data, and more. Passwords and payment card numbers were not affected.
ApolloMD, a US physician and practice management services firm, has disclosed a breach impacting 626,000 individuals. The incident occurred during May 2025, while the attackers accessed patient information from affiliated practices, exposing data such as names, addresses, and medical details.
AI THREATS
Google has released an analysis of adversarial AI misuse, detailing model extraction “distillation” attacks, AI-augmented phishing, and malware experimentation in late 2025. The report identified attempts to coerce disclosure of internal reasoning, AI-assisted reconnaissance by DPRK, PRC, Iranian, and Russian actors, and AI-integrated malware such as HONESTCUE leveraging Gemini’s API for second-stage payload generation.
Researchers have investigated a UNC1069 intrusion targeting a cryptocurrency FinTech through AI-enabled social engineering and a fake Zoom ClickFix lure. The attack deployed seven malware families enabling TCC bypass, credential and browser data theft, keystroke logging, and C2 communications over RC4-encrypted configurations.
Check Point Threat Emulation provides protection against this threat (Trojan.Wins.SugarLoader)
Researchers have detailed the abuse of AI website builders to clone major brands for phishing and fraud. They analyzed a Malwarebytes lookalike site created using Vercel’s v0 tool, which replicated branding and integrated opaque PayPal payment flows. The domain leveraged SEO poisoning and spam links, with registration data indicating links to India.
VULNERABILITIES AND PATCHES
Microsoft has released its February 2026 Patch Tuesday updates. The release addresses 58 vulnerabilities, including six zero days under active exploitation, among them CVE-2026-21510, a Windows Shell Security Feature Bypass vulnerability that can be triggered by opening a specially crafted link or shortcut file. Successful exploitation requires convincing a user to open a malicious link or shortcut file.
Google has patched 11 vulnerabilities in Chrome 145 for Windows, macOS, and Linux, including CVE-2026-2313, a use-after-free vulnerability in CSS. This high-severity flaw could allow remote code execution. Two additional high severity bugs in Codecs (CVE-2026-2314) and WebGPU (CVE-2026-2315) also enable code execution.
BeyondTrust has addressed CVE-2026-1731, a CVSS 9.9 pre-authentication remote code execution flaw in Remote Support and older Privileged Remote Access versions. Shortly after a proof of concept was published, threat actors began exploiting exposed instances, prompting urgent upgrades for self-hosted deployments.
Check Point IPS provides protection against this threat (BeyondTrust Multiple Products Command Injection (CVE-2026-1731))
THREAT INTELLIGENCE REPORTS
Check Point Research analyzed global cyber-attacks in January averaging 2,090 per organization per week, up 3% from December and 17% year over year. Education remained the most targeted sector with 4,364 attacks per organization, ransomware recorded 678 incidents with 52% in North America, and 1 in 30 GenAI prompts posed high data leak risk.
Check Point Research identified a sharp increase in Valentine-themed phishing websites, fraudulent stores, and fake dating platforms designed to steal personal data and payment information. Valentine-related domain registrations rose 44% in January 2026, with 97.5% unclassified, while 710 Tinder-impersonating domains were detected.
A Phorpiex-driven phishing campaign has been observed delivering Global Group ransomware via ZIP attachments with double-extension LNK files, using CMD and PowerShell to execute the payload. The ransomware runs offline with locally generated ChaCha20-Poly1305 keys, deletes shadow copies and itself, and terminates analysis and database processes.
Researchers have analyzed the latest GuLoader (aka CloudEye) downloader, which delivers Remcos, Vidar, and Raccoon, and now evades detection by leveraging encrypted payloads hosted on Google Drive and OneDrive. The malware uses polymorphic code to generate constants via XOR and ADD/SUB operations, along with anti-analysis techniques such as sandbox checks and exception handlers.
Check Point Harmony Endpoint and Threat Emulation provide protection against this threat (Trojan.Wins.GuLoader; InfoStealer.Win.GuLoader; Dropper.Wins.GuLoader.ta.*; Dropper.Win.CloudEyE; RAT.Wins.Remcos; InfoStealer.Win.Vidar; InfoStealer.Win.Raccoon; InfoStealer.Wins.Raccoon)
44.99% of all emails sent worldwide and 43.27% of all emails sent in the Russian web segment were spam
32.50% of all spam emails were sent from Russia
Kaspersky Mail Anti-Virus blocked 144,722,674 malicious email attachments
Our Anti-Phishing system thwarted 554,002,207 attempts to follow phishing links
Phishing and scams in 2025
Entertainment-themed phishing attacks and scams
In 2025, online streaming services remained a primary theme for phishing sites within the entertainment sector, typically by offering early access to major premieres ahead of their official release dates. Alongside these, there was a notable increase in phishing pages mimicking ticket aggregation platforms for live events. Cybercriminals lured users with offers of free tickets to see popular artists on pages that mirrored the branding of major ticket distributors. To participate in these “promotions”, victims were required to pay a nominal processing or ticket-shipping fee. Naturally, after paying the fee, the users never received any tickets.
In addition to concert-themed bait, other music-related scams gained significant traction. Users were directed to phishing pages and prompted to “vote for their favorite artist”, a common activity within fan communities. To bolster credibility, the scammers leveraged the branding of major companies like Google and Spotify. This specific scheme was designed to harvest credentials for multiple platforms simultaneously, as users were required to sign in with their Facebook, Instagram, or email credentials to participate.
As a pretext for harvesting Spotify credentials, attackers offered users a way to migrate their playlists to YouTube. To complete the transfer, victims were to just enter their Spotify credentials.
Beyond standard phishing, threat actors leveraged Spotify’s popularity for scams. In Brazil, scammers promoted a scheme where users were purportedly paid to listen to and rate songs.
To “withdraw” their earnings, users were required to provide their identification number for PIX, Brazil’s instant payment system.
Users were then prompted to verify their identity. To do so, the victim was required to make a small, one-time “verification payment”, an amount significantly lower than the potential earnings.
The form for submitting this “verification payment” was designed to appear highly authentic, even requesting various pieces of personal data. It is highly probable that this data was collected for use in subsequent attacks.
In another variation, users were invited to participate in a survey in exchange for a $1000 gift card. However, in a move typical of a scam, the victim was required to pay a small processing or shipping fee to claim the prize. Once the funds were transferred, the attackers vanished, and the website was taken offline.
Even deciding to go to an art venue with a girl from a dating site could result in financial loss. In this scenario, the “date” would suggest an in-person meeting after a brief period of rapport-building. They would propose a relatively inexpensive outing, such as a movie or a play at a niche theater. The scammer would go so far as to provide a link to a specific page where the victim could supposedly purchase tickets for the event.
To enhance the site’s perceived legitimacy, it even prompted the user to select their city of residence.
However, once the “ticket payment” was completed, both the booking site and the individual from the dating platform would vanish.
A similar tactic was employed by scam sites selling tickets for escape rooms. The design of these pages closely mirrored legitimate websites to lower the target’s guard.
Phishing pages masquerading as travel portals often capitalize on a sense of urgency, betting that a customer eager to book a “last-minute deal” will overlook an illegitimate URL. For example, the fraudulent page shown below offered exclusive tours of Japan, purportedly from a major Japanese tour operator.
Sensitive data at risk: phishing via government services
To harvest users’ personal data, attackers utilized a traditional phishing framework: fraudulent forms for document processing on sites posing as government portals. The visual design and content of these phishing pages meticulously replicated legitimate websites, offering the same services found on official sites. In Brazil, for instance, attackers collected personal data from individuals under the pretext of issuing a Rural Property Registration Certificate (CCIR).
Through this method, fraudsters tried to gain access to the victim’s highly sensitive information, including their individual taxpayer registry (CPF) number. This identifier serves as a unique key for every Brazilian national to access private accounts on government portals. It is also utilized in national databases and displayed on personal identification documents, making its interception particularly dangerous. Scammer access to this data poses a severe risk of identity theft, unauthorized access to government platforms, and financial exposure.
Furthermore, users were at risk of direct financial loss: in certain instances, the attackers requested a “processing fee” to facilitate the issuance of the important document.
Fraudsters also employed other methods to obtain CPF numbers. Specifically, we discovered phishing pages mimicking the official government service portal, which requires the CPF for sign-in.
Another theme exploited by scammers involved government payouts. In 2025, Singaporean citizens received government vouchers ranging from $600 to $800 in honor of the country’s 60th anniversary. To redeem these, users were required to sign in to the official program website. Fraudsters rushed to create web pages designed to mimic this site. Interestingly, the primary targets in this campaign were Telegram accounts, despite the fact that Telegram credentials were not a requirement for signing in to the legitimate portal.
We also identified a scam targeting users in Norway who were looking to renew or replace their driver’s licenses. Upon opening a website masquerading as the official Norwegian Public Roads Administration website, visitors were prompted to enter their vehicle registration and phone numbers.
Next, the victim was prompted for sensitive data, such as the personal identification number unique to every Norwegian citizen. By doing so, the attackers not only gained access to confidential information but also reinforced the illusion that the victim was interacting with an official website.
Once the personal data was submitted, a fraudulent page would appear, requesting a “processing fee” of 1200 kroner. If the victim entered their credit card details, the funds were transferred directly to the scammers with no possibility of recovery.
In Germany, attackers used the pretext of filing tax returns to trick users into providing their email user names and passwords on phishing pages.
A call to urgent action is a classic tactic in phishing scenarios. When combined with the threat of losing property, these schemes become highly effective bait, distracting potential victims from noticing an incorrect URL or a poorly designed website. For example, a phishing warning regarding unpaid vehicle taxes was used as a tool by attackers targeting credentials for the UK government portal.
We have observed that since the spring of 2025, there has been an increase in emails mimicking automated notifications from the Russian government services portal. These messages were distributed under the guise of application status updates and contained phishing links.
We also recorded vishing attacks targeting users of government portals. Victims were prompted to “verify account security” by calling a support number provided in the email. To lower the users’ guard, the attackers included fabricated technical details in the emails, such as the IP address, device model, and timestamp of an alleged unauthorized sign-in.
Last year, attackers also disguised vishing emails as notifications from microfinance institutions or credit bureaus regarding new loan applications. The scammers banked on the likelihood that the recipient had not actually applied for a loan. They would then prompt the victim to contact a fake support service via a spoofed support number.
Know Your Customer
As an added layer of data security, many services now implement biometric verification (facial recognition, fingerprints, and retina scans), as well as identity document verification and digital signatures. To harvest this data, fraudsters create clones of popular platforms that utilize these verification protocols. We have previously detailed the mechanics of this specific type of data theft.
In 2025, we observed a surge in phishing attacks targeting users under the guise of Know Your Customer (KYC) identity verification. KYC protocols rely on a specific set of user data for identification. By spoofing the pages of payment services such as Vivid Money, fraudsters harvested the information required to pass KYC authentication.
Notably, this threat also impacted users of various other platforms that utilize KYC procedures.
A distinctive feature of attacks on the KYC process is that, in addition to the victim’s full name, email address, and phone number, phishers request photos of their passport or face, sometimes from multiple angles. If this information falls into the hands of threat actors, the consequences extend beyond the loss of account access; the victim’s credentials can be sold on dark web marketplaces, a trend we have highlighted in previous reports.
Messaging app phishing
Account hijacking on messaging platforms like WhatsApp and Telegram remains one of the primary objectives of phishing and scam operations. While traditional tactics, such as suspicious links embedded in messages, have been well-known for some time, the methods used to steal credentials are becoming increasingly sophisticated.
For instance, Telegram users were invited to participate in a prize giveaway purportedly hosted by a famous athlete. This phishing attack, which masqueraded as an NFT giveaway, was executed through a Telegram Mini App. This marks a shift in tactics, as attackers previously relied on external web pages for these types of schemes.
In 2025, new variations emerged within the familiar framework of distributing phishing links via Telegram. For example, we observed prompts inviting users to vote for the “best dentist” or “best COO” in town.
The most prevalent theme in these voting-based schemes, children’s contests, was distributed primarily through WhatsApp. These phishing pages showed little variety; attackers utilized a standardized website design and set of “bait” photos, simply localizing the language based on the target audience’s geographic location.
To participate in the vote, the victim was required to enter the phone number linked to their WhatsApp account.
They were then prompted to provide a one-time authentication code for the messaging app.
The following are several other popular methods used by fraudsters to hijack user credentials.
In China, phishing pages meticulously replicated the WhatsApp interface. Victims were notified that their accounts had purportedly been flagged for “illegal activity”, necessitating “additional verification”.
The victim was redirected to a page to enter their phone number, followed by a request for their authorization code.
In other instances, users received messages allegedly from WhatsApp support regarding account authentication via SMS. As with the other scenarios described, the attackers’ objective was to obtain the authentication code required to hijack the account.
Fraudsters enticed WhatsApp users with an offer to link an app designed to “sync communications” with business contacts.
To increase the perceived legitimacy of the phishing site, the attackers even prompted users to create custom credentials for the page.
After that, the user was required to “purchase a subscription” to activate the application. This allowed the scammers to harvest credit card data, leaving the victim without the promised service.
To lure Telegram users, phishers distributed invitations to online dating chats.
Attackers also heavily leveraged the promise of free Telegram Premium subscriptions. While these phishing pages were previously observed only in Russian and English, the linguistic scope of these campaigns expanded significantly this year. As in previous iterations, activating the subscription required the victim to sign in to their account, which could result in the loss of account access.
Exploiting the ChatGPT hype
Artificial intelligence is increasingly being leveraged by attackers as bait. For example, we have identified fraudulent websites mimicking the official payment page for ChatGPT Plus subscriptions.
Social media marketing through LLMs was also a potential focal point for user interest. Scammers offered “specialized prompt kits” designed for social media growth; however, once payment was received, they vanished, leaving victims without the prompts or their money.
The promise of easy income through neural networks has emerged as another tactic to attract potential victims. Fraudsters promoted using ChatGPT to place bets, promising that the bot would do all the work while the user collected the profits. These services were offered at a “special price” valid for only 15 minutes after the page was opened. This narrow window prevented the victim from critically evaluating the impulse purchase.
Job opportunities with a catch
To attract potential victims, scammers exploited the theme of employment by offering high-paying remote positions. Applicants responding to these advertisements did more than just disclose their personal data; in some cases, fraudsters requested a small sum under the pretext of document processing or administrative fees. To convince victims that the offer was legitimate, attackers impersonated major brands, leveraging household names to build trust. This allowed them to lower the victims’ guard, even when the employment terms sounded too good to be true.
We also observed schemes where, after obtaining a victim’s data via a phishing site, scammers would follow up with a phone call – a tactic aimed at tricking the user into disclosing additional personal data.
By analyzing current job market trends, threat actors also targeted popular career paths to steal messaging app credentials. These phishing schemes were tailored to specific regional markets. For example, in the UAE, fake “employment agency” websites were circulating.
In a more sophisticated variation, users were asked to complete a questionnaire that required the phone number linked to their Telegram account.
To complete the registration, users were prompted for a code which, in reality, was a Telegram authorization code.
Notably, the registration process did not end there; the site continued to request additional information to “set up an account” on the fraudulent platform. This served to keep victims in the dark, maintaining their trust in the malicious site’s perceived legitimacy.
After finishing the registration, the victim was told to wait 24 hours for “verification”, though the scammers’ primary objective, hijacking the Telegram account, had already been achieved.
Simpler phishing schemes were also observed, where users were redirected to a page mimicking the Telegram interface. By entering their phone number and authorization code, victims lost access to their accounts.
Job seekers were not the only ones targeted by scammers. Employers’ accounts were also in the crosshairs, specifically on a major Russian recruitment portal. On a counterfeit page, the victim was asked to “verify their account” in order to post a job listing, which required them to enter their actual sign-in credentials for the legitimate site.
Spam in 2025
Malicious attachments
Password-protected archives
Attackers began aggressively distributing messages with password-protected malicious archives in 2024. Throughout 2025, these archives remained a popular vector for spreading malware, and we observed a variety of techniques designed to bypass security solutions.
For example, threat actors sent emails impersonating law firms, threatening victims with legal action over alleged “unauthorized domain name use”. The recipient was prompted to review potential pre-trial settlement options detailed in an attached document. The attachment consisted of an unprotected archive containing a secondary password-protected archive and a file with the password. Disguised as a legal document within this inner archive was a malicious WSF file, which installed a Trojan into the system via startup. The Trojan then stealthily downloaded and installed Tor, which allowed it to regularly exfiltrate screenshots to the attacker-controlled C2 server.
In addition to archives, we also encountered password-protected PDF files containing malicious links over the past year.
E-signature service exploits
Emails using the pretext of “signing a document” to coerce users into clicking phishing links or opening malicious attachments were quite common in 2025. The most prevalent scheme involved fraudulent notifications from electronic signature services. While these were primarily used for phishing, one specific malware sample identified within this campaign is of particular interest.
The email, purportedly sent from a well-known document-sharing platform, notified the recipient that they had been granted access to a “contract” attached to the message. However, the attachment was not the expected PDF; instead, it was a nested email file named after the contract. The body of this nested message mirrored the original, but its attachment utilized a double extension: a malicious SVG file containing a Trojan was disguised as a PDF document. This multi-layered approach was likely an attempt to obfuscate the malware and bypass security filters.
In the summer of last year, we observed mailshots sent in the name of various existing industrial enterprises. These emails contained DOCX attachments embedded with Trojans. Attackers coerced victims into opening the malicious files under the pretext of routine business tasks, such as signing a contract or drafting a report.
The authors of this malicious campaign attempted to lower users’ guard by using legitimate industrial sector domains in the “From” address. Furthermore, the messages were routed through the mail servers of a reputable cloud provider, ensuring the technical metadata appeared authentic. Consequently, even a cautious user could mistake the email for a genuine communication, open the attachment, and compromise their device.
Attacks on hospitals
Hospitals were a popular target for threat actors this past year: they were targeted with malicious emails impersonating well-known insurance providers. Recipients were threatened with legal action regarding alleged “substandard medical services”. The attachments, described as “medical records and a written complaint from an aggrieved patient”, were actually malware. Our solutions detect this threat as Backdoor.Win64.BrockenDoor, a backdoor capable of harvesting system information and executing malicious commands on the infected device.
We also came across emails with a different narrative. In those instances, medical staff were requested to facilitate a patient transfer from another hospital for ongoing observation and treatment. These messages referenced attached medical files containing diagnostic and treatment history, which were actually archives containing malicious payloads.
To bolster the perceived legitimacy of these communications, attackers did more than just impersonate famous insurers and medical institutions; they registered look-alike domains that mimicked official organizations’ domains by appending keywords such as “-insurance” or “-med.” Furthermore, to lower the victims’ guard, scammers included a fake “Scanned by Email Security” label.
Messages containing instructions to run malicious scripts
Last year, we observed unconventional infection chains targeting end-user devices. Threat actors continued to distribute instructions for downloading and executing malicious code, rather than attaching the malware files directly. To convince the recipient to follow these steps, attackers typically utilized a lure involving a “critical software update” or a “system patch” to fix a purported vulnerability. Generally, the first step in the instructions required launching the command prompt with administrative privileges, while the second involved entering a command to download and execute the malware: either a script or an executable file.
In some instances, these instructions were contained within a PDF file. The victim was prompted to copy a command into PowerShell that was neither obfuscated nor hidden. Such schemes target non-technical users who would likely not understand the command’s true intent and would unknowingly infect their own devices.
Scams
Law enforcement impersonation scams in the Russian web segment
In 2025, extortion campaigns involving actors posing as law enforcement – a trend previously more prevalent in Europe – were adapted to target users across the Commonwealth of Independent States.
For example, we identified messages disguised as criminal subpoenas or summonses purportedly issued by Russian law enforcement agencies. However, the specific departments cited in these emails never actually existed. The content of these “summonses” would also likely raise red flags for a cautious user. This blackmail scheme relied on the victim, in their state of panic, not scrutinizing the contents of the fake summons.
To intimidate recipients, the attackers referenced legal frameworks and added forged signatures and seals to the “subpoenas”. In reality, neither the cited statutes nor the specific civil service positions exist in Russia.
We observed similar attacks – employing fabricated government agencies and fictitious legal acts – in other CIS countries, such as Belarus.
Fraudulent investment schemes
Threat actors continued to aggressively exploit investment themes in their email scams. These emails typically promise stable, remote income through “exclusive” investment opportunities. This remains one of the most high-volume and adaptable categories of email scams. Threat actors embedded fraudulent links both directly within the message body and inside various types of attachments: PDF, DOC, PPTX, and PNG files. Furthermore, they increasingly leveraged legitimate Google services, such as Google Docs, YouTube, and Google Forms, to distribute these communications. The link led to the site of the “project” where the victim was prompted to provide their phone number and email. Subsequently, users were invited to invest in a non-existent project.
We have previously documented these mailshots: they were originally targeted at Russian-speaking users and were primarily distributed under the guise of major financial institutions. However, in 2025, this investment-themed scam expanded into other CIS countries and Europe. Furthermore, the range of industries that spammers impersonated grew significantly. For instance, in their emails, attackers began soliciting investments for projects supposedly led by major industrial-sector companies in Kazakhstan and the Czech Republic.
Fraudulent “brand partner” recruitment
This specific scam operates through a multi-stage workflow. First, the target company receives a communication from an individual claiming to represent a well-known global brand, inviting them to register as a certified supplier or business partner. To bolster the perceived authenticity of the offer, the fraudsters send the victim an extensive set of forged documents. Once these documents are signed, the victim is instructed to pay a “deposit”, which the attackers claim will be fully refunded once the partnership is officially established.
These mailshots were first detected in 2025 and have rapidly become one of the most prevalent forms of email-based fraud. In December 2025 alone, we blocked over 80,000 such messages. These campaigns specifically targeted the B2B sector and were notable for their high level of variation – ranging from their technical properties to the diversity of the message content and the wide array of brands the attackers chose to impersonate.
Fraudulent overdue rent notices
Last year, we identified a new theme in email scams: recipients were notified that the payment deadline for a leased property had expired and were urged to settle the “debt” immediately. To prevent the victim from sending funds to their actual landlord, the email claimed that banking details had changed. The “debtor” was then instructed to request the new payment information – which, of course, belonged to the fraudsters. These mailshots primarily targeted French-speaking countries; however, in December 2025, we discovered a similar scam variant in German.
QR codes in scam letters
In 2025, we observed a trend where QR codes were utilized not only in phishing attempts but also in extortion emails. In a classic blackmail scam, the user is typically intimidated by claims that hackers have gained access to sensitive data. To prevent the public release of this information, the attackers demand a ransom payment to their cryptocurrency wallet.
Previously, to bypass email filters, scammers attempted to obfuscate the wallet address by using various noise contamination techniques. In last year’s campaigns, however, scammers shifted to including a QR code that contained the cryptocurrency wallet address.
News agenda
As in previous years, spammers in 2025 aggressively integrated current events into their fraudulent messaging to increase engagement.
For example, following the launch of $TRUMP memecoins surrounding Donald Trump’s inauguration, we identified scam campaigns promoting the “Trump Meme Coin” and “Trump Digital Trading Cards”. In these instances, scammers enticed victims to click a link to claim “free NFTs”.
We also observed ads offering educational credentials. Spammers posted these ads as comments on legacy, unmoderated forums; this tactic ensured that notifications were automatically pushed to all users subscribed to the thread. These notifications either displayed the fraudulent link directly in the comment preview or alerted users to a new post that redirected them to spammers’ sites.
In the summer, when the wedding of Amazon founder Jeff Bezos became a major global news story, users began receiving Nigerian-style scam messages purportedly from Bezos himself, as well as from his former wife, MacKenzie Scott. These emails promised recipients substantial sums of money, framed either as charitable donations or corporate compensation from Amazon.
During the BLACKPINK world tour, we observed a wave of spam advertising “luggage scooters”. The scammers claimed these were the exact motorized suitcases used by the band members during their performances.
Finally, in the fall of 2025, traditionally timed to coincide with the launch of new iPhones, we identified scam campaigns featuring surveys that offered participants a chance to “win” a fictitious iPhone 17 Pro.
After completing a brief survey, the user was prompted to provide their contact information and physical address, as well as pay a “delivery fee” – which was the scammers’ ultimate objective. Upon entering their credit card details into the fraudulent site, the victim risked losing not only the relatively small delivery charge but also the entire balance in their bank account.
The widespread popularity of Ozempic was also reflected in spam campaigns; users were bombarded with offers to purchase versions of the drug or questionable alternatives.
Localized news events also fall under the scrutiny of fraudsters, serving as the basis for scam narratives. For instance, last summer, coinciding with the opening of the tax season in South Africa, we began detecting phishing emails impersonating the South African Revenue Service (SARS). These messages notified taxpayers of alleged “outstanding balances” that required immediate settlement.
Methods of distributing email threats
Google services
In 2025, threat actors increasingly leveraged various Google services to distribute email-based threats. We observed the exploitation of Google Calendar: scammers would create an event containing a WhatsApp contact number in the description and send an invitation to the target. For instance, companies received emails regarding product inquiries that prompted them to move the conversation to the messaging app to discuss potential “collaboration”.
Spammers employed a similar tactic using Google Classroom. We identified samples offering SEO optimization services that likewise directed victims to a WhatsApp number for further communication.
We also detected the distribution of fraudulent links via legitimate YouTube notifications. Attackers would reply to user comments under various videos, triggering an automated email notification to the victim. This email contained a link to a video that displayed only a message urging the viewer to “check the description”, where the actual link to the scam site was located. As the victim received an email containing the full text of the fraudulent comment, they were often lured through this chain of links, eventually landing on the scam site.
Over the past two years or so, there has been a significant rise in attacks utilizing Google Forms. Fraudsters create a survey with an enticing title and place the scam messaging directly in the form’s description. They then submit the form themselves, entering the victims’ email addresses into the field for the respondent email. This triggers legitimate notifications from the Google Forms service to the targeted addresses. Because these emails originate from Google’s own mail servers, they appear authentic to most spam filters. The attackers rely on the victim focusing on the “bait” description containing the fraudulent link rather than the standard form header.
Google Groups also emerged as a popular tool for spam distribution last year. Scammers would create a group, add the victims’ email addresses as members, and broadcast spam through the service. This scheme proved highly effective: even if a security solution blocked the initial spam message, the user could receive a deluge of automated replies from other addresses on the member list.
At the end of 2025, we encountered a legitimate email in terms of technical metadata that was sent via Google and contained a fraudulent link. The message also included a verification code for the recipient’s email address. To generate this notification, scammers filled out the account registration form in a way that diverted the recipient’s attention toward a fraudulent site. For example, instead of entering a first and last name, the attackers inserted text such as “Personal Link” followed by a phishing URL, utilizing noise contamination techniques. By entering the victim’s email address into the registration field, the scammers triggered a legitimate system notification containing the fraudulent link.
OpenAI
In addition to Google services, spammers leveraged other platforms to distribute email threats, notably OpenAI, riding the wave of artificial intelligence popularity. In 2025, we observed emails sent via the OpenAI platform into which spammers had injected short messages, fraudulent links, or phone numbers.
This occurs during the account registration process on the OpenAI platform, where users are prompted to create an organization to generate an API key. Spammers placed their fraudulent content directly into the field designated for the organization’s name. They then added the victims’ email addresses as organization members, triggering automated platform invitations that delivered the fraudulent links or contact numbers directly to the targets.
Spear phishing and BEC attacks in 2025
QR codes
The use of QR codes in spear phishing has become a conventional tactic that threat actors continued to employ throughout 2025. Specifically, we observed the persistence of a major trend identified in our previous report: the distribution of phishing documents disguised as notifications from a company’s HR department.
In these campaigns, attackers impersonated HR team members, requesting that employees review critical documentation, such as a new corporate policy or code of conduct. These documents were typically attached to the email as PDF files.
Phishing notification about “new corporate policies”
To maintain the ruse, the PDF document contained a highly convincing call to action, prompting the user to scan a QR code to access the relevant file. While attackers previously embedded these codes directly into the body of the email, last year saw a significant shift toward placing them within attachments – most likely in an attempt to bypass email security filters.
Malicious PDF content
Upon scanning the QR code within the attachment, the victim was redirected to a phishing page meticulously designed to mimic a Microsoft authentication form.
Phishing page with an authentication form
In addition to fraudulent HR notifications, threat actors created scheduled meetings within the victim’s email calendar, placing DOC or PDF files containing QR codes in the event descriptions. Leveraging calendar invites to distribute malicious links is a legacy technique that was widely observed during scam campaigns in 2019. After several years of relative dormancy, we saw a resurgence of this technique last year, now integrated into more sophisticated spear phishing operations.
Fake meeting invitation
In one specific example, the attachment was presented as a “new voicemail” notification. To listen to the recording, the user was prompted to scan a QR code and sign in to their account on the resulting page.
Malicious attachment content
As in the previous scenario, scanning the code redirected the user to a phishing page, where they risked losing access to their Microsoft account or internal corporate sites.
Link protection services
Threat actors utilized more than just QR codes to hide phishing URLs and bypass security checks. In 2025, we discovered that fraudsters began weaponizing link protection services for the same purpose. The primary function of these services is to intercept and scan URLs at the moment of clicking to prevent users from reaching phishing sites or downloading malware. However, attackers are now abusing this technology by generating phishing links that security systems mistakenly categorize as “safe”.
This technique is employed in both mass and spear phishing campaigns. It is particularly dangerous in targeted attacks, which often incorporate employees’ personal data and mimic official corporate branding. When combined with these characteristics, a URL generated through a legitimate link protection service can significantly bolster the perceived authenticity of a phishing email.
“Protected” link in a phishing email
After opening a URL that seemed safe, the user was directed to a phishing site.
Phishing page
BEC and fabricated email chains
In Business Email Compromise (BEC) attacks, threat actors have also begun employing new techniques, the most notable of which is the use of fake forwarded messages.
BEC email featuring a fabricated message thread
This BEC attack unfolded as follows. An employee would receive an email containing a previous conversation between the sender and another colleague. The final message in this thread was typically an automated out-of-office reply or a request to hand off a specific task to a new assignee. In reality, however, the entire initial conversation with the colleague was completely fabricated. These messages lacked the thread-index headers, as well as other critical header values, that would typically verify the authenticity of an actual email chain.
In the example at hand, the victim was pressured to urgently pay for a license using the provided banking details. The PDF attachments included wire transfer instructions and a counterfeit cover letter from the bank.
Malicious PDF content
The bank does not actually have an office at the address provided in the documents.
Statistics: phishing
In 2025, Kaspersky solutions blocked 554,002,207 attempts to follow fraudulent links. In contrast to the trends of previous years, we did not observe any major spikes in phishing activity; instead, the volume of attacks remained relatively stable throughout the year, with the exception of a minor decline in December.
The phishing and scam landscape underwent a shift. While in 2024, we saw a high volume of mass attacks, their frequency declined in 2025. Furthermore, redirection-based schemes, which were frequently used for online fraud in 2024, became less prevalent in 2025.
Map of phishing attacks
As in the previous year, Peru remains the country with the highest percentage (17.46%) of users targeted by phishing attacks. Bangladesh (16.98%) took second place, entering the TOP 10 for the first time, while Malawi (16.65%), which was absent from the 2024 rankings, was third. Following these are Tunisia (16.19%), Colombia (15.67%), the latter also being a newcomer to the TOP 10, Brazil (15.48%), and Ecuador (15.27%). They are followed closely by Madagascar and Kenya, both with a 15.23% share of attacked users. Rounding out the list is Vietnam, which previously held the third spot, with a share of 15.05%.
Country/territory
Share of attacked users**
Peru
17.46%
Bangladesh
16.98%
Malawi
16.65%
Tunisia
16.19%
Colombia
15.67%
Brazil
15.48%
Ecuador
15.27%
Madagascar
15.23%
Kenya
15.23%
Vietnam
15.05%
** Share of users who encountered phishing out of the total number of Kaspersky users in the country/territory, 2025
Top-level domains
In 2025, breaking a trend that had persisted for several years, the majority of phishing pages were hosted within the XYZ TLD zone, accounting for 21.64% – a three-fold increase compared to 2024. The second most popular zone was TOP (15.45%), followed by BUZZ (13.58%). This high demand can be attributed to the low cost of domain registration in these zones. The COM domain, which had previously held the top spot consistently, fell to fourth place (10.52%). It is important to note that this decline is partially driven by the popularity of typosquatting attacks: threat actors frequently spoof sites within the COM domain by using alternative suffixes, such as example-com.site instead of example.com. Following COM is the BOND TLD, entering the TOP 10 for the first time with a 5.56% share. As this zone is typically associated with financial websites, the surge in malicious interest there is a logical progression for financial phishing. The sixth and seventh positions are held by ONLINE (3.39%) and SITE (2.02%), which occupied the fourth and fifth spots, respectively, in 2024. In addition, three domain zones that had not previously appeared in our statistics emerged as popular hosting environments for phishing sites. These included the CFD domain (1.97%), typically used for websites in the clothing, fashion, and design sectors; the Polish national top-level domain, PL (1.75%); and the LOL domain (1.60%).
Most frequent top-level domains for phishing pages, 2025 (download)
Organizations targeted by phishing attacks
The rankings of organizations targeted by phishers are based on detections by the Anti-Phishing deterministic component on user computers. The component detects all pages with phishing content that the user has tried to open by following a link in an email message or on the web, as long as links to these pages are present in the Kaspersky database.
Phishing pages impersonating web services (27.42%) and global internet portals (15.89%) maintained their positions in the TOP 10, continuing to rank first and second, respectively. Online stores (11.27%), a traditional favorite among threat actors, returned to the third spot. In 2025, phishers showed increased interest in online gamers: websites mimicking gaming platforms jumped from ninth to fifth place (7.58%). These are followed by banks (6.06%), payment systems (5.93%), messengers (5.70%), and delivery services (5.06%). Phishing attacks also targeted social media (4.42%) and government services (1.77%) accounts.
Distribution of targeted organizations by category, 2025 (download)
Statistics: spam
Share of spam in email traffic
In 2025, the average share of spam in global email traffic was 44.99%, representing a decrease of 2.28 percentage points compared to the previous year. Notably, contrary to the trends of the past several years, the fourth quarter was the busiest one: an average of 49.26% of emails were categorized as spam, with peak activity occurring in November (52.87%) and December (51.80%). Throughout the rest of the year, the distribution of junk mail remained relatively stable without significant spikes, maintaining an average share of approximately 43.50%.
Share of spam in global email traffic, 2025 (download)
In the Russian web segment (Runet), we observed a more substantial decline: the average share of spam decreased by 5.3 percentage points to 43.27%. Deviating from the global trend, the fourth quarter was the quietest period in Russia, with a share of 41.28%. We recorded the lowest level of spam activity in December, when only 36.49% of emails were identified as junk. January and February were also relatively calm, with average values of 41.94% and 43.09%, respectively. Conversely, the Runet figures for March–October correlated with global figures: no major surges were observed, spam accounting for an average of 44.30% of total email traffic during these months.
Share of spam in Runet email traffic, 2025 (download)
Countries and territories where spam originated
The top three countries in the 2025 rankings for the volume of outgoing spam mirror the distribution of the previous year: Russia, China, and the United States. However, the share of spam originating from Russia decreased from 36.18% to 32.50%, while the shares of China (19.10%) and the U.S. (10.57%) each increased by approximately 2 percentage points. Germany rose to fourth place (3.46%), up from sixth last year, displacing Kazakhstan (2.89%). Hong Kong followed in sixth place (2.11%). The Netherlands and Japan shared the next spot with identical shares of 1.95%; however, we observed a year-over-year increase in outgoing spam from the Netherlands, whereas Japan saw a decline. The TOP 10 is rounded out by Brazil (1.94%) and Belarus (1.74%), the latter ranking for the first time.
TOP 20 countries and territories where spam originated in 2025 (download)
Malicious email attachments
In 2025, Kaspersky solutions blocked 144,722,674 malicious email attachments, an increase of nineteen million compared to the previous year. The beginning and end of the year were traditionally the most stable periods; however, we also observed a notable decline in activity during August and September. Peaks in email antivirus detections occurred in June, July, and November.
The most prevalent malicious email attachment in 2025 was the Makoob Trojan family, which covertly harvests system information and user credentials. Makoob first entered the TOP 10 in 2023 in eighth place, rose to third in 2024, and secured the top spot in 2025 with a share of 4.88%. Following Makoob, as in the previous year, was the Badun Trojan family (4.13%), which typically disguises itself as electronic documents. The third spot is held by the Taskun family (3.68%), which creates malicious scheduled tasks, followed by Agensla stealers (3.16%), which were the most common malicious attachments in 2024. Next are Trojan.Win32.AutoItScript scripts (2.88%), appearing in the rankings for the first time. In sixth place is the Noon spyware for all Windows systems (2.63%), which also occupied the tenth spot with its variant specifically targeting 32-bit systems (1.10%). Rounding out the TOP 10 are Hoax.HTML.Phish (1.98%) phishing attachments, Guloader downloaders (1.90%) – a newcomer to the rankings – and Badur (1.56%) PDF documents containing suspicious links.
TOP 10 malware families distributed via email attachments, 2025 (download)
The distribution of specific malware samples traditionally mirrors the distribution of malware families almost exactly. The only differences are that a specific variant of the Agensla stealer ranked sixth instead of fourth (2.53%), and the Phish and Guloader samples swapped positions (1.58% and 1.78%, respectively). Rounding out the rankings in tenth place is the password stealer Trojan-PSW.MSIL.PureLogs.gen with a share of 1.02%.
TOP 10 malware samples distributed via email attachments, 2025 (download)
Countries and territories targeted by malicious mailings
The highest volume of malicious email attachments was blocked on devices belonging to users in China (13.74%). For the first time in two years, Russia dropped to second place with a share of 11.18%. Following closely behind are Mexico (8.18%) and Spain (7.70%), which swapped places compared to the previous year. Email antivirus triggers saw a slight increase in Türkiye (5.19%), which maintained its fifth-place position. Sixth and seventh places are held by Vietnam (4.14%) and Malaysia (3.70%); both countries climbed higher in the TOP 10 due to an increase in detection shares. These are followed by the UAE (3.12%), which held its position from the previous year. Italy (2.43%) and Colombia (2.07%) also entered the TOP 10 list of targets for malicious mailshots.
TOP 20 countries and territories targeted by malicious mailshots, 2025 (download)
Conclusion
2026 will undoubtedly be marked by novel methods of exploiting artificial intelligence capabilities. At the same time, messaging app credentials will remain a highly sought-after prize for threat actors. While new schemes are certain to emerge, they will likely supplement rather than replace time-tested tricks and tactics. This underscores the reality that, alongside the deployment of robust security software, users must remain vigilant and exercise extreme caution toward any online offers that raise even the slightest suspicion.
The intensified focus on government service credentials signals a rise in potential impact; unauthorized access to these services can lead to financial theft, data breaches, and full-scale identity theft. Furthermore, the increased abuse of legitimate tools and the rise of multi-stage attacks – which often begin with seemingly harmless files or links – demonstrate a concerted effort by fraudsters to lull users into a false sense of security while pursuing their malicious objectives.
44.99% of all emails sent worldwide and 43.27% of all emails sent in the Russian web segment were spam
32.50% of all spam emails were sent from Russia
Kaspersky Mail Anti-Virus blocked 144,722,674 malicious email attachments
Our Anti-Phishing system thwarted 554,002,207 attempts to follow phishing links
Phishing and scams in 2025
Entertainment-themed phishing attacks and scams
In 2025, online streaming services remained a primary theme for phishing sites within the entertainment sector, typically by offering early access to major premieres ahead of their official release dates. Alongside these, there was a notable increase in phishing pages mimicking ticket aggregation platforms for live events. Cybercriminals lured users with offers of free tickets to see popular artists on pages that mirrored the branding of major ticket distributors. To participate in these “promotions”, victims were required to pay a nominal processing or ticket-shipping fee. Naturally, after paying the fee, the users never received any tickets.
In addition to concert-themed bait, other music-related scams gained significant traction. Users were directed to phishing pages and prompted to “vote for their favorite artist”, a common activity within fan communities. To bolster credibility, the scammers leveraged the branding of major companies like Google and Spotify. This specific scheme was designed to harvest credentials for multiple platforms simultaneously, as users were required to sign in with their Facebook, Instagram, or email credentials to participate.
As a pretext for harvesting Spotify credentials, attackers offered users a way to migrate their playlists to YouTube. To complete the transfer, victims were to just enter their Spotify credentials.
Beyond standard phishing, threat actors leveraged Spotify’s popularity for scams. In Brazil, scammers promoted a scheme where users were purportedly paid to listen to and rate songs.
To “withdraw” their earnings, users were required to provide their identification number for PIX, Brazil’s instant payment system.
Users were then prompted to verify their identity. To do so, the victim was required to make a small, one-time “verification payment”, an amount significantly lower than the potential earnings.
The form for submitting this “verification payment” was designed to appear highly authentic, even requesting various pieces of personal data. It is highly probable that this data was collected for use in subsequent attacks.
In another variation, users were invited to participate in a survey in exchange for a $1000 gift card. However, in a move typical of a scam, the victim was required to pay a small processing or shipping fee to claim the prize. Once the funds were transferred, the attackers vanished, and the website was taken offline.
Even deciding to go to an art venue with a girl from a dating site could result in financial loss. In this scenario, the “date” would suggest an in-person meeting after a brief period of rapport-building. They would propose a relatively inexpensive outing, such as a movie or a play at a niche theater. The scammer would go so far as to provide a link to a specific page where the victim could supposedly purchase tickets for the event.
To enhance the site’s perceived legitimacy, it even prompted the user to select their city of residence.
However, once the “ticket payment” was completed, both the booking site and the individual from the dating platform would vanish.
A similar tactic was employed by scam sites selling tickets for escape rooms. The design of these pages closely mirrored legitimate websites to lower the target’s guard.
Phishing pages masquerading as travel portals often capitalize on a sense of urgency, betting that a customer eager to book a “last-minute deal” will overlook an illegitimate URL. For example, the fraudulent page shown below offered exclusive tours of Japan, purportedly from a major Japanese tour operator.
Sensitive data at risk: phishing via government services
To harvest users’ personal data, attackers utilized a traditional phishing framework: fraudulent forms for document processing on sites posing as government portals. The visual design and content of these phishing pages meticulously replicated legitimate websites, offering the same services found on official sites. In Brazil, for instance, attackers collected personal data from individuals under the pretext of issuing a Rural Property Registration Certificate (CCIR).
Through this method, fraudsters tried to gain access to the victim’s highly sensitive information, including their individual taxpayer registry (CPF) number. This identifier serves as a unique key for every Brazilian national to access private accounts on government portals. It is also utilized in national databases and displayed on personal identification documents, making its interception particularly dangerous. Scammer access to this data poses a severe risk of identity theft, unauthorized access to government platforms, and financial exposure.
Furthermore, users were at risk of direct financial loss: in certain instances, the attackers requested a “processing fee” to facilitate the issuance of the important document.
Fraudsters also employed other methods to obtain CPF numbers. Specifically, we discovered phishing pages mimicking the official government service portal, which requires the CPF for sign-in.
Another theme exploited by scammers involved government payouts. In 2025, Singaporean citizens received government vouchers ranging from $600 to $800 in honor of the country’s 60th anniversary. To redeem these, users were required to sign in to the official program website. Fraudsters rushed to create web pages designed to mimic this site. Interestingly, the primary targets in this campaign were Telegram accounts, despite the fact that Telegram credentials were not a requirement for signing in to the legitimate portal.
We also identified a scam targeting users in Norway who were looking to renew or replace their driver’s licenses. Upon opening a website masquerading as the official Norwegian Public Roads Administration website, visitors were prompted to enter their vehicle registration and phone numbers.
Next, the victim was prompted for sensitive data, such as the personal identification number unique to every Norwegian citizen. By doing so, the attackers not only gained access to confidential information but also reinforced the illusion that the victim was interacting with an official website.
Once the personal data was submitted, a fraudulent page would appear, requesting a “processing fee” of 1200 kroner. If the victim entered their credit card details, the funds were transferred directly to the scammers with no possibility of recovery.
In Germany, attackers used the pretext of filing tax returns to trick users into providing their email user names and passwords on phishing pages.
A call to urgent action is a classic tactic in phishing scenarios. When combined with the threat of losing property, these schemes become highly effective bait, distracting potential victims from noticing an incorrect URL or a poorly designed website. For example, a phishing warning regarding unpaid vehicle taxes was used as a tool by attackers targeting credentials for the UK government portal.
We have observed that since the spring of 2025, there has been an increase in emails mimicking automated notifications from the Russian government services portal. These messages were distributed under the guise of application status updates and contained phishing links.
We also recorded vishing attacks targeting users of government portals. Victims were prompted to “verify account security” by calling a support number provided in the email. To lower the users’ guard, the attackers included fabricated technical details in the emails, such as the IP address, device model, and timestamp of an alleged unauthorized sign-in.
Last year, attackers also disguised vishing emails as notifications from microfinance institutions or credit bureaus regarding new loan applications. The scammers banked on the likelihood that the recipient had not actually applied for a loan. They would then prompt the victim to contact a fake support service via a spoofed support number.
Know Your Customer
As an added layer of data security, many services now implement biometric verification (facial recognition, fingerprints, and retina scans), as well as identity document verification and digital signatures. To harvest this data, fraudsters create clones of popular platforms that utilize these verification protocols. We have previously detailed the mechanics of this specific type of data theft.
In 2025, we observed a surge in phishing attacks targeting users under the guise of Know Your Customer (KYC) identity verification. KYC protocols rely on a specific set of user data for identification. By spoofing the pages of payment services such as Vivid Money, fraudsters harvested the information required to pass KYC authentication.
Notably, this threat also impacted users of various other platforms that utilize KYC procedures.
A distinctive feature of attacks on the KYC process is that, in addition to the victim’s full name, email address, and phone number, phishers request photos of their passport or face, sometimes from multiple angles. If this information falls into the hands of threat actors, the consequences extend beyond the loss of account access; the victim’s credentials can be sold on dark web marketplaces, a trend we have highlighted in previous reports.
Messaging app phishing
Account hijacking on messaging platforms like WhatsApp and Telegram remains one of the primary objectives of phishing and scam operations. While traditional tactics, such as suspicious links embedded in messages, have been well-known for some time, the methods used to steal credentials are becoming increasingly sophisticated.
For instance, Telegram users were invited to participate in a prize giveaway purportedly hosted by a famous athlete. This phishing attack, which masqueraded as an NFT giveaway, was executed through a Telegram Mini App. This marks a shift in tactics, as attackers previously relied on external web pages for these types of schemes.
In 2025, new variations emerged within the familiar framework of distributing phishing links via Telegram. For example, we observed prompts inviting users to vote for the “best dentist” or “best COO” in town.
The most prevalent theme in these voting-based schemes, children’s contests, was distributed primarily through WhatsApp. These phishing pages showed little variety; attackers utilized a standardized website design and set of “bait” photos, simply localizing the language based on the target audience’s geographic location.
To participate in the vote, the victim was required to enter the phone number linked to their WhatsApp account.
They were then prompted to provide a one-time authentication code for the messaging app.
The following are several other popular methods used by fraudsters to hijack user credentials.
In China, phishing pages meticulously replicated the WhatsApp interface. Victims were notified that their accounts had purportedly been flagged for “illegal activity”, necessitating “additional verification”.
The victim was redirected to a page to enter their phone number, followed by a request for their authorization code.
In other instances, users received messages allegedly from WhatsApp support regarding account authentication via SMS. As with the other scenarios described, the attackers’ objective was to obtain the authentication code required to hijack the account.
Fraudsters enticed WhatsApp users with an offer to link an app designed to “sync communications” with business contacts.
To increase the perceived legitimacy of the phishing site, the attackers even prompted users to create custom credentials for the page.
After that, the user was required to “purchase a subscription” to activate the application. This allowed the scammers to harvest credit card data, leaving the victim without the promised service.
To lure Telegram users, phishers distributed invitations to online dating chats.
Attackers also heavily leveraged the promise of free Telegram Premium subscriptions. While these phishing pages were previously observed only in Russian and English, the linguistic scope of these campaigns expanded significantly this year. As in previous iterations, activating the subscription required the victim to sign in to their account, which could result in the loss of account access.
Exploiting the ChatGPT hype
Artificial intelligence is increasingly being leveraged by attackers as bait. For example, we have identified fraudulent websites mimicking the official payment page for ChatGPT Plus subscriptions.
Social media marketing through LLMs was also a potential focal point for user interest. Scammers offered “specialized prompt kits” designed for social media growth; however, once payment was received, they vanished, leaving victims without the prompts or their money.
The promise of easy income through neural networks has emerged as another tactic to attract potential victims. Fraudsters promoted using ChatGPT to place bets, promising that the bot would do all the work while the user collected the profits. These services were offered at a “special price” valid for only 15 minutes after the page was opened. This narrow window prevented the victim from critically evaluating the impulse purchase.
Job opportunities with a catch
To attract potential victims, scammers exploited the theme of employment by offering high-paying remote positions. Applicants responding to these advertisements did more than just disclose their personal data; in some cases, fraudsters requested a small sum under the pretext of document processing or administrative fees. To convince victims that the offer was legitimate, attackers impersonated major brands, leveraging household names to build trust. This allowed them to lower the victims’ guard, even when the employment terms sounded too good to be true.
We also observed schemes where, after obtaining a victim’s data via a phishing site, scammers would follow up with a phone call – a tactic aimed at tricking the user into disclosing additional personal data.
By analyzing current job market trends, threat actors also targeted popular career paths to steal messaging app credentials. These phishing schemes were tailored to specific regional markets. For example, in the UAE, fake “employment agency” websites were circulating.
In a more sophisticated variation, users were asked to complete a questionnaire that required the phone number linked to their Telegram account.
To complete the registration, users were prompted for a code which, in reality, was a Telegram authorization code.
Notably, the registration process did not end there; the site continued to request additional information to “set up an account” on the fraudulent platform. This served to keep victims in the dark, maintaining their trust in the malicious site’s perceived legitimacy.
After finishing the registration, the victim was told to wait 24 hours for “verification”, though the scammers’ primary objective, hijacking the Telegram account, had already been achieved.
Simpler phishing schemes were also observed, where users were redirected to a page mimicking the Telegram interface. By entering their phone number and authorization code, victims lost access to their accounts.
Job seekers were not the only ones targeted by scammers. Employers’ accounts were also in the crosshairs, specifically on a major Russian recruitment portal. On a counterfeit page, the victim was asked to “verify their account” in order to post a job listing, which required them to enter their actual sign-in credentials for the legitimate site.
Spam in 2025
Malicious attachments
Password-protected archives
Attackers began aggressively distributing messages with password-protected malicious archives in 2024. Throughout 2025, these archives remained a popular vector for spreading malware, and we observed a variety of techniques designed to bypass security solutions.
For example, threat actors sent emails impersonating law firms, threatening victims with legal action over alleged “unauthorized domain name use”. The recipient was prompted to review potential pre-trial settlement options detailed in an attached document. The attachment consisted of an unprotected archive containing a secondary password-protected archive and a file with the password. Disguised as a legal document within this inner archive was a malicious WSF file, which installed a Trojan into the system via startup. The Trojan then stealthily downloaded and installed Tor, which allowed it to regularly exfiltrate screenshots to the attacker-controlled C2 server.
In addition to archives, we also encountered password-protected PDF files containing malicious links over the past year.
E-signature service exploits
Emails using the pretext of “signing a document” to coerce users into clicking phishing links or opening malicious attachments were quite common in 2025. The most prevalent scheme involved fraudulent notifications from electronic signature services. While these were primarily used for phishing, one specific malware sample identified within this campaign is of particular interest.
The email, purportedly sent from a well-known document-sharing platform, notified the recipient that they had been granted access to a “contract” attached to the message. However, the attachment was not the expected PDF; instead, it was a nested email file named after the contract. The body of this nested message mirrored the original, but its attachment utilized a double extension: a malicious SVG file containing a Trojan was disguised as a PDF document. This multi-layered approach was likely an attempt to obfuscate the malware and bypass security filters.
In the summer of last year, we observed mailshots sent in the name of various existing industrial enterprises. These emails contained DOCX attachments embedded with Trojans. Attackers coerced victims into opening the malicious files under the pretext of routine business tasks, such as signing a contract or drafting a report.
The authors of this malicious campaign attempted to lower users’ guard by using legitimate industrial sector domains in the “From” address. Furthermore, the messages were routed through the mail servers of a reputable cloud provider, ensuring the technical metadata appeared authentic. Consequently, even a cautious user could mistake the email for a genuine communication, open the attachment, and compromise their device.
Attacks on hospitals
Hospitals were a popular target for threat actors this past year: they were targeted with malicious emails impersonating well-known insurance providers. Recipients were threatened with legal action regarding alleged “substandard medical services”. The attachments, described as “medical records and a written complaint from an aggrieved patient”, were actually malware. Our solutions detect this threat as Backdoor.Win64.BrockenDoor, a backdoor capable of harvesting system information and executing malicious commands on the infected device.
We also came across emails with a different narrative. In those instances, medical staff were requested to facilitate a patient transfer from another hospital for ongoing observation and treatment. These messages referenced attached medical files containing diagnostic and treatment history, which were actually archives containing malicious payloads.
To bolster the perceived legitimacy of these communications, attackers did more than just impersonate famous insurers and medical institutions; they registered look-alike domains that mimicked official organizations’ domains by appending keywords such as “-insurance” or “-med.” Furthermore, to lower the victims’ guard, scammers included a fake “Scanned by Email Security” label.
Messages containing instructions to run malicious scripts
Last year, we observed unconventional infection chains targeting end-user devices. Threat actors continued to distribute instructions for downloading and executing malicious code, rather than attaching the malware files directly. To convince the recipient to follow these steps, attackers typically utilized a lure involving a “critical software update” or a “system patch” to fix a purported vulnerability. Generally, the first step in the instructions required launching the command prompt with administrative privileges, while the second involved entering a command to download and execute the malware: either a script or an executable file.
In some instances, these instructions were contained within a PDF file. The victim was prompted to copy a command into PowerShell that was neither obfuscated nor hidden. Such schemes target non-technical users who would likely not understand the command’s true intent and would unknowingly infect their own devices.
Scams
Law enforcement impersonation scams in the Russian web segment
In 2025, extortion campaigns involving actors posing as law enforcement – a trend previously more prevalent in Europe – were adapted to target users across the Commonwealth of Independent States.
For example, we identified messages disguised as criminal subpoenas or summonses purportedly issued by Russian law enforcement agencies. However, the specific departments cited in these emails never actually existed. The content of these “summonses” would also likely raise red flags for a cautious user. This blackmail scheme relied on the victim, in their state of panic, not scrutinizing the contents of the fake summons.
To intimidate recipients, the attackers referenced legal frameworks and added forged signatures and seals to the “subpoenas”. In reality, neither the cited statutes nor the specific civil service positions exist in Russia.
We observed similar attacks – employing fabricated government agencies and fictitious legal acts – in other CIS countries, such as Belarus.
Fraudulent investment schemes
Threat actors continued to aggressively exploit investment themes in their email scams. These emails typically promise stable, remote income through “exclusive” investment opportunities. This remains one of the most high-volume and adaptable categories of email scams. Threat actors embedded fraudulent links both directly within the message body and inside various types of attachments: PDF, DOC, PPTX, and PNG files. Furthermore, they increasingly leveraged legitimate Google services, such as Google Docs, YouTube, and Google Forms, to distribute these communications. The link led to the site of the “project” where the victim was prompted to provide their phone number and email. Subsequently, users were invited to invest in a non-existent project.
We have previously documented these mailshots: they were originally targeted at Russian-speaking users and were primarily distributed under the guise of major financial institutions. However, in 2025, this investment-themed scam expanded into other CIS countries and Europe. Furthermore, the range of industries that spammers impersonated grew significantly. For instance, in their emails, attackers began soliciting investments for projects supposedly led by major industrial-sector companies in Kazakhstan and the Czech Republic.
Fraudulent “brand partner” recruitment
This specific scam operates through a multi-stage workflow. First, the target company receives a communication from an individual claiming to represent a well-known global brand, inviting them to register as a certified supplier or business partner. To bolster the perceived authenticity of the offer, the fraudsters send the victim an extensive set of forged documents. Once these documents are signed, the victim is instructed to pay a “deposit”, which the attackers claim will be fully refunded once the partnership is officially established.
These mailshots were first detected in 2025 and have rapidly become one of the most prevalent forms of email-based fraud. In December 2025 alone, we blocked over 80,000 such messages. These campaigns specifically targeted the B2B sector and were notable for their high level of variation – ranging from their technical properties to the diversity of the message content and the wide array of brands the attackers chose to impersonate.
Fraudulent overdue rent notices
Last year, we identified a new theme in email scams: recipients were notified that the payment deadline for a leased property had expired and were urged to settle the “debt” immediately. To prevent the victim from sending funds to their actual landlord, the email claimed that banking details had changed. The “debtor” was then instructed to request the new payment information – which, of course, belonged to the fraudsters. These mailshots primarily targeted French-speaking countries; however, in December 2025, we discovered a similar scam variant in German.
QR codes in scam letters
In 2025, we observed a trend where QR codes were utilized not only in phishing attempts but also in extortion emails. In a classic blackmail scam, the user is typically intimidated by claims that hackers have gained access to sensitive data. To prevent the public release of this information, the attackers demand a ransom payment to their cryptocurrency wallet.
Previously, to bypass email filters, scammers attempted to obfuscate the wallet address by using various noise contamination techniques. In last year’s campaigns, however, scammers shifted to including a QR code that contained the cryptocurrency wallet address.
News agenda
As in previous years, spammers in 2025 aggressively integrated current events into their fraudulent messaging to increase engagement.
For example, following the launch of $TRUMP memecoins surrounding Donald Trump’s inauguration, we identified scam campaigns promoting the “Trump Meme Coin” and “Trump Digital Trading Cards”. In these instances, scammers enticed victims to click a link to claim “free NFTs”.
We also observed ads offering educational credentials. Spammers posted these ads as comments on legacy, unmoderated forums; this tactic ensured that notifications were automatically pushed to all users subscribed to the thread. These notifications either displayed the fraudulent link directly in the comment preview or alerted users to a new post that redirected them to spammers’ sites.
In the summer, when the wedding of Amazon founder Jeff Bezos became a major global news story, users began receiving Nigerian-style scam messages purportedly from Bezos himself, as well as from his former wife, MacKenzie Scott. These emails promised recipients substantial sums of money, framed either as charitable donations or corporate compensation from Amazon.
During the BLACKPINK world tour, we observed a wave of spam advertising “luggage scooters”. The scammers claimed these were the exact motorized suitcases used by the band members during their performances.
Finally, in the fall of 2025, traditionally timed to coincide with the launch of new iPhones, we identified scam campaigns featuring surveys that offered participants a chance to “win” a fictitious iPhone 17 Pro.
After completing a brief survey, the user was prompted to provide their contact information and physical address, as well as pay a “delivery fee” – which was the scammers’ ultimate objective. Upon entering their credit card details into the fraudulent site, the victim risked losing not only the relatively small delivery charge but also the entire balance in their bank account.
The widespread popularity of Ozempic was also reflected in spam campaigns; users were bombarded with offers to purchase versions of the drug or questionable alternatives.
Localized news events also fall under the scrutiny of fraudsters, serving as the basis for scam narratives. For instance, last summer, coinciding with the opening of the tax season in South Africa, we began detecting phishing emails impersonating the South African Revenue Service (SARS). These messages notified taxpayers of alleged “outstanding balances” that required immediate settlement.
Methods of distributing email threats
Google services
In 2025, threat actors increasingly leveraged various Google services to distribute email-based threats. We observed the exploitation of Google Calendar: scammers would create an event containing a WhatsApp contact number in the description and send an invitation to the target. For instance, companies received emails regarding product inquiries that prompted them to move the conversation to the messaging app to discuss potential “collaboration”.
Spammers employed a similar tactic using Google Classroom. We identified samples offering SEO optimization services that likewise directed victims to a WhatsApp number for further communication.
We also detected the distribution of fraudulent links via legitimate YouTube notifications. Attackers would reply to user comments under various videos, triggering an automated email notification to the victim. This email contained a link to a video that displayed only a message urging the viewer to “check the description”, where the actual link to the scam site was located. As the victim received an email containing the full text of the fraudulent comment, they were often lured through this chain of links, eventually landing on the scam site.
Over the past two years or so, there has been a significant rise in attacks utilizing Google Forms. Fraudsters create a survey with an enticing title and place the scam messaging directly in the form’s description. They then submit the form themselves, entering the victims’ email addresses into the field for the respondent email. This triggers legitimate notifications from the Google Forms service to the targeted addresses. Because these emails originate from Google’s own mail servers, they appear authentic to most spam filters. The attackers rely on the victim focusing on the “bait” description containing the fraudulent link rather than the standard form header.
Google Groups also emerged as a popular tool for spam distribution last year. Scammers would create a group, add the victims’ email addresses as members, and broadcast spam through the service. This scheme proved highly effective: even if a security solution blocked the initial spam message, the user could receive a deluge of automated replies from other addresses on the member list.
At the end of 2025, we encountered a legitimate email in terms of technical metadata that was sent via Google and contained a fraudulent link. The message also included a verification code for the recipient’s email address. To generate this notification, scammers filled out the account registration form in a way that diverted the recipient’s attention toward a fraudulent site. For example, instead of entering a first and last name, the attackers inserted text such as “Personal Link” followed by a phishing URL, utilizing noise contamination techniques. By entering the victim’s email address into the registration field, the scammers triggered a legitimate system notification containing the fraudulent link.
OpenAI
In addition to Google services, spammers leveraged other platforms to distribute email threats, notably OpenAI, riding the wave of artificial intelligence popularity. In 2025, we observed emails sent via the OpenAI platform into which spammers had injected short messages, fraudulent links, or phone numbers.
This occurs during the account registration process on the OpenAI platform, where users are prompted to create an organization to generate an API key. Spammers placed their fraudulent content directly into the field designated for the organization’s name. They then added the victims’ email addresses as organization members, triggering automated platform invitations that delivered the fraudulent links or contact numbers directly to the targets.
Spear phishing and BEC attacks in 2025
QR codes
The use of QR codes in spear phishing has become a conventional tactic that threat actors continued to employ throughout 2025. Specifically, we observed the persistence of a major trend identified in our previous report: the distribution of phishing documents disguised as notifications from a company’s HR department.
In these campaigns, attackers impersonated HR team members, requesting that employees review critical documentation, such as a new corporate policy or code of conduct. These documents were typically attached to the email as PDF files.
Phishing notification about “new corporate policies”
To maintain the ruse, the PDF document contained a highly convincing call to action, prompting the user to scan a QR code to access the relevant file. While attackers previously embedded these codes directly into the body of the email, last year saw a significant shift toward placing them within attachments – most likely in an attempt to bypass email security filters.
Malicious PDF content
Upon scanning the QR code within the attachment, the victim was redirected to a phishing page meticulously designed to mimic a Microsoft authentication form.
Phishing page with an authentication form
In addition to fraudulent HR notifications, threat actors created scheduled meetings within the victim’s email calendar, placing DOC or PDF files containing QR codes in the event descriptions. Leveraging calendar invites to distribute malicious links is a legacy technique that was widely observed during scam campaigns in 2019. After several years of relative dormancy, we saw a resurgence of this technique last year, now integrated into more sophisticated spear phishing operations.
Fake meeting invitation
In one specific example, the attachment was presented as a “new voicemail” notification. To listen to the recording, the user was prompted to scan a QR code and sign in to their account on the resulting page.
Malicious attachment content
As in the previous scenario, scanning the code redirected the user to a phishing page, where they risked losing access to their Microsoft account or internal corporate sites.
Link protection services
Threat actors utilized more than just QR codes to hide phishing URLs and bypass security checks. In 2025, we discovered that fraudsters began weaponizing link protection services for the same purpose. The primary function of these services is to intercept and scan URLs at the moment of clicking to prevent users from reaching phishing sites or downloading malware. However, attackers are now abusing this technology by generating phishing links that security systems mistakenly categorize as “safe”.
This technique is employed in both mass and spear phishing campaigns. It is particularly dangerous in targeted attacks, which often incorporate employees’ personal data and mimic official corporate branding. When combined with these characteristics, a URL generated through a legitimate link protection service can significantly bolster the perceived authenticity of a phishing email.
“Protected” link in a phishing email
After opening a URL that seemed safe, the user was directed to a phishing site.
Phishing page
BEC and fabricated email chains
In Business Email Compromise (BEC) attacks, threat actors have also begun employing new techniques, the most notable of which is the use of fake forwarded messages.
BEC email featuring a fabricated message thread
This BEC attack unfolded as follows. An employee would receive an email containing a previous conversation between the sender and another colleague. The final message in this thread was typically an automated out-of-office reply or a request to hand off a specific task to a new assignee. In reality, however, the entire initial conversation with the colleague was completely fabricated. These messages lacked the thread-index headers, as well as other critical header values, that would typically verify the authenticity of an actual email chain.
In the example at hand, the victim was pressured to urgently pay for a license using the provided banking details. The PDF attachments included wire transfer instructions and a counterfeit cover letter from the bank.
Malicious PDF content
The bank does not actually have an office at the address provided in the documents.
Statistics: phishing
In 2025, Kaspersky solutions blocked 554,002,207 attempts to follow fraudulent links. In contrast to the trends of previous years, we did not observe any major spikes in phishing activity; instead, the volume of attacks remained relatively stable throughout the year, with the exception of a minor decline in December.
The phishing and scam landscape underwent a shift. While in 2024, we saw a high volume of mass attacks, their frequency declined in 2025. Furthermore, redirection-based schemes, which were frequently used for online fraud in 2024, became less prevalent in 2025.
Map of phishing attacks
As in the previous year, Peru remains the country with the highest percentage (17.46%) of users targeted by phishing attacks. Bangladesh (16.98%) took second place, entering the TOP 10 for the first time, while Malawi (16.65%), which was absent from the 2024 rankings, was third. Following these are Tunisia (16.19%), Colombia (15.67%), the latter also being a newcomer to the TOP 10, Brazil (15.48%), and Ecuador (15.27%). They are followed closely by Madagascar and Kenya, both with a 15.23% share of attacked users. Rounding out the list is Vietnam, which previously held the third spot, with a share of 15.05%.
Country/territory
Share of attacked users**
Peru
17.46%
Bangladesh
16.98%
Malawi
16.65%
Tunisia
16.19%
Colombia
15.67%
Brazil
15.48%
Ecuador
15.27%
Madagascar
15.23%
Kenya
15.23%
Vietnam
15.05%
** Share of users who encountered phishing out of the total number of Kaspersky users in the country/territory, 2025
Top-level domains
In 2025, breaking a trend that had persisted for several years, the majority of phishing pages were hosted within the XYZ TLD zone, accounting for 21.64% – a three-fold increase compared to 2024. The second most popular zone was TOP (15.45%), followed by BUZZ (13.58%). This high demand can be attributed to the low cost of domain registration in these zones. The COM domain, which had previously held the top spot consistently, fell to fourth place (10.52%). It is important to note that this decline is partially driven by the popularity of typosquatting attacks: threat actors frequently spoof sites within the COM domain by using alternative suffixes, such as example-com.site instead of example.com. Following COM is the BOND TLD, entering the TOP 10 for the first time with a 5.56% share. As this zone is typically associated with financial websites, the surge in malicious interest there is a logical progression for financial phishing. The sixth and seventh positions are held by ONLINE (3.39%) and SITE (2.02%), which occupied the fourth and fifth spots, respectively, in 2024. In addition, three domain zones that had not previously appeared in our statistics emerged as popular hosting environments for phishing sites. These included the CFD domain (1.97%), typically used for websites in the clothing, fashion, and design sectors; the Polish national top-level domain, PL (1.75%); and the LOL domain (1.60%).
Most frequent top-level domains for phishing pages, 2025 (download)
Organizations targeted by phishing attacks
The rankings of organizations targeted by phishers are based on detections by the Anti-Phishing deterministic component on user computers. The component detects all pages with phishing content that the user has tried to open by following a link in an email message or on the web, as long as links to these pages are present in the Kaspersky database.
Phishing pages impersonating web services (27.42%) and global internet portals (15.89%) maintained their positions in the TOP 10, continuing to rank first and second, respectively. Online stores (11.27%), a traditional favorite among threat actors, returned to the third spot. In 2025, phishers showed increased interest in online gamers: websites mimicking gaming platforms jumped from ninth to fifth place (7.58%). These are followed by banks (6.06%), payment systems (5.93%), messengers (5.70%), and delivery services (5.06%). Phishing attacks also targeted social media (4.42%) and government services (1.77%) accounts.
Distribution of targeted organizations by category, 2025 (download)
Statistics: spam
Share of spam in email traffic
In 2025, the average share of spam in global email traffic was 44.99%, representing a decrease of 2.28 percentage points compared to the previous year. Notably, contrary to the trends of the past several years, the fourth quarter was the busiest one: an average of 49.26% of emails were categorized as spam, with peak activity occurring in November (52.87%) and December (51.80%). Throughout the rest of the year, the distribution of junk mail remained relatively stable without significant spikes, maintaining an average share of approximately 43.50%.
Share of spam in global email traffic, 2025 (download)
In the Russian web segment (Runet), we observed a more substantial decline: the average share of spam decreased by 5.3 percentage points to 43.27%. Deviating from the global trend, the fourth quarter was the quietest period in Russia, with a share of 41.28%. We recorded the lowest level of spam activity in December, when only 36.49% of emails were identified as junk. January and February were also relatively calm, with average values of 41.94% and 43.09%, respectively. Conversely, the Runet figures for March–October correlated with global figures: no major surges were observed, spam accounting for an average of 44.30% of total email traffic during these months.
Share of spam in Runet email traffic, 2025 (download)
Countries and territories where spam originated
The top three countries in the 2025 rankings for the volume of outgoing spam mirror the distribution of the previous year: Russia, China, and the United States. However, the share of spam originating from Russia decreased from 36.18% to 32.50%, while the shares of China (19.10%) and the U.S. (10.57%) each increased by approximately 2 percentage points. Germany rose to fourth place (3.46%), up from sixth last year, displacing Kazakhstan (2.89%). Hong Kong followed in sixth place (2.11%). The Netherlands and Japan shared the next spot with identical shares of 1.95%; however, we observed a year-over-year increase in outgoing spam from the Netherlands, whereas Japan saw a decline. The TOP 10 is rounded out by Brazil (1.94%) and Belarus (1.74%), the latter ranking for the first time.
TOP 20 countries and territories where spam originated in 2025 (download)
Malicious email attachments
In 2025, Kaspersky solutions blocked 144,722,674 malicious email attachments, an increase of nineteen million compared to the previous year. The beginning and end of the year were traditionally the most stable periods; however, we also observed a notable decline in activity during August and September. Peaks in email antivirus detections occurred in June, July, and November.
The most prevalent malicious email attachment in 2025 was the Makoob Trojan family, which covertly harvests system information and user credentials. Makoob first entered the TOP 10 in 2023 in eighth place, rose to third in 2024, and secured the top spot in 2025 with a share of 4.88%. Following Makoob, as in the previous year, was the Badun Trojan family (4.13%), which typically disguises itself as electronic documents. The third spot is held by the Taskun family (3.68%), which creates malicious scheduled tasks, followed by Agensla stealers (3.16%), which were the most common malicious attachments in 2024. Next are Trojan.Win32.AutoItScript scripts (2.88%), appearing in the rankings for the first time. In sixth place is the Noon spyware for all Windows systems (2.63%), which also occupied the tenth spot with its variant specifically targeting 32-bit systems (1.10%). Rounding out the TOP 10 are Hoax.HTML.Phish (1.98%) phishing attachments, Guloader downloaders (1.90%) – a newcomer to the rankings – and Badur (1.56%) PDF documents containing suspicious links.
TOP 10 malware families distributed via email attachments, 2025 (download)
The distribution of specific malware samples traditionally mirrors the distribution of malware families almost exactly. The only differences are that a specific variant of the Agensla stealer ranked sixth instead of fourth (2.53%), and the Phish and Guloader samples swapped positions (1.58% and 1.78%, respectively). Rounding out the rankings in tenth place is the password stealer Trojan-PSW.MSIL.PureLogs.gen with a share of 1.02%.
TOP 10 malware samples distributed via email attachments, 2025 (download)
Countries and territories targeted by malicious mailings
The highest volume of malicious email attachments was blocked on devices belonging to users in China (13.74%). For the first time in two years, Russia dropped to second place with a share of 11.18%. Following closely behind are Mexico (8.18%) and Spain (7.70%), which swapped places compared to the previous year. Email antivirus triggers saw a slight increase in Türkiye (5.19%), which maintained its fifth-place position. Sixth and seventh places are held by Vietnam (4.14%) and Malaysia (3.70%); both countries climbed higher in the TOP 10 due to an increase in detection shares. These are followed by the UAE (3.12%), which held its position from the previous year. Italy (2.43%) and Colombia (2.07%) also entered the TOP 10 list of targets for malicious mailshots.
TOP 20 countries and territories targeted by malicious mailshots, 2025 (download)
Conclusion
2026 will undoubtedly be marked by novel methods of exploiting artificial intelligence capabilities. At the same time, messaging app credentials will remain a highly sought-after prize for threat actors. While new schemes are certain to emerge, they will likely supplement rather than replace time-tested tricks and tactics. This underscores the reality that, alongside the deployment of robust security software, users must remain vigilant and exercise extreme caution toward any online offers that raise even the slightest suspicion.
The intensified focus on government service credentials signals a rise in potential impact; unauthorized access to these services can lead to financial theft, data breaches, and full-scale identity theft. Furthermore, the increased abuse of legitimate tools and the rise of multi-stage attacks – which often begin with seemingly harmless files or links – demonstrate a concerted effort by fraudsters to lull users into a false sense of security while pursuing their malicious objectives.
For the latest discoveries in cyber research for the week of 9th February, please download our Threat Intelligence Bulletin.
TOP ATTACKS AND BREACHES
Romania’s national oil pipeline operator, Conpet, has suffered a cyberattack that disrupted its IT systems and took its website offline. The company said operational technology, including pipeline control and telecommunications systems, remained fully functional and oil transport continued without interruption. The attack was claimed by the Qilin ransomware group.
Check Point Harmony Endpoint and Threat Emulation provide protection against this threat (Ransomware.Wins.Qilin.ta.*; Ransomware.Wins.Qilin)
La Sapienza University in Rome, one of Europe’s largest universities, has confirmed a cyberattack that prompted it to take down computer systems for three days, with email and workstations partially limited. The website remains offline as the school restores services.
The City of New Britain, a municipal government in Connecticut, was hit by a ransomware attack that disrupted internet and phone services for over 48 hours. While emergency services remained operational, it is unclear whether personal data was compromised.
Onze-Lieve-Vrouw Instituut (OLV) Pulhof, a secondary school in Berchem, Belgium, has experienced a ransomware attack that escalated into extortion of parents. Attackers reduced demand from €100,000 to €15,000 and threatened to leak student and staff data or charge parents €50 per child, while the school refused payment and is investigating potential exposure.
AI THREATS
Threat actors leveraged exposed credentials from public AWS S3 buckets to launch an AI-assisted intrusion, escalating cloud privileges from ReadOnlyAccess to admin within eight to ten minutes via Lambda code injection and IAM role assumptions. The attack further abused Amazon Bedrock models for LLMjacking and provisioned GPU-based EC2 instances using JupyterLab to exploit resources, pivoting rapidly across 19 AWS principals.
Ask Gordon, Docker’s AI assistant, was affected by the critical “DockerDash” vulnerability, allowing Meta Context Injection via Model Context Protocol that treats malicious Docker image LABEL metadata as executable instructions. This enabled remote code execution and data exfiltration in cloud, CLI, and Docker Desktop environments, with mitigations released in Docker Desktop 4.50.0.
Bondu, an AI plush toy maker, exposed a web console that allowed anyone with a Google account to access 50,000 chat transcripts with children – revealing names, birth dates, family details, and intimate conversations. Researchers reported the issue, after which Bondu disabled the console and added authentication.
VULNERABILITIES AND PATCHES
Ivanti addressed two zero-days in Endpoint Manager Mobile, CVE-2026-1281 and CVE-2026-1340 (CVSS 9.8), exploited for unauthenticated code injection and remote code execution. The flaws affect in-house app distribution and Android file-transfer features, with emergency fixes issued January 29 for on-premises EPMM deployments.
Check Point IPS provides protection against this threat (Ivanti Endpoint Manager Mobile Command Injection (CVE-2026-1281, CVE-2026-1340))
Active exploitation of CVE-2025-11953, an OS command injection flaw, was detected in the React Native Community CLI and the Metro development server used by major mobile app projects. This flaw can enable unauthenticated remote code execution, including full shell access on Windows.
Check Point IPS provides protection against this threat (React Native Community CLI Command Injection (CVE-2025-11953))
n8n maintainers have released patches for a critical issue allowing authenticated users to run system commands through crafted workflows, risking full server compromise and credential theft. The flaw extends a prior expression-engine bug and fixes available in versions v1.123.17 and v2.5.2.
THREAT INTELLIGENCE REPORTS
Check Point Research observed Amaranth-Dragon, a Chinese-aligned group linked to APT41, conducting espionage against government and law enforcement across Southeast Asia. The threat actor weaponized WinRAR flaw CVE-2025-8088 within 10 days after its disclosure, geo-fenced servers to targets, and introduced TGAmaranth, a Telegram-based remote access tool.
Check Point IPS, Threat Emulation and Harmony Endpoint provide protection against this threat (RARLAB WinRAR Directory Traversal (CVE-2025-8088); Trojan.Win.Amaranth; Trojan.Wins.Amaranth.ta.*; APT.Win.APT41; APT.Wins.APT41.ta.*; Trojan.Wins.APT41.ta.*)
Check Point researchers assessed three most significant financial-sector trends in 2025. DDoS attacks surged 105%, data breaches and leaks rose 73%, and ransomware incidents reached 451 cases with aggressive multi-extortion tactics. Hacktivists drove DDoS attacks, and ransomware groups like Qilin, Akira, and Cl0p scaled operations via shared tooling and third-party access.
Check Point Threat Emulation and Harmony Endpoint provide protection against this threat (Ransomware.Wins.Qilin.ta.*; Ransomware.Wins.Qilin; Ransomware.Wins.Akira.ta.*; Ransomware.Wins.Clop; Ransomware.Wins.CLOP.ta.*; Ransomware.Win.Clop)
Check Point researchers described a phishing campaign that abused legitimate SaaS notifications from Microsoft, Zoom, Amazon, PayPal, YouTube, and Malwarebytes to drive phone-based scams. The operation sent 133,260 emails to 20,049 organizations, intensifying in recent months as attackers leveraged trusted messages to bypass link-focused defenses and steer targets to attacker-controlled phone numbers.
For the latest discoveries in cyber research for the week of 2nd February, please download our Threat Intelligence Bulletin.
TOP ATTACKS AND BREACHES
MicroWorld Technologies, maker of eScan antivirus, has suffered a supply-chain compromise. Malicious updates were pushed via the legitimate eScan updater, delivering multi-stage malware that establishes persistence, enables remote access, and blocks automatic updates. In response, eScan shut down its global update service for more than eight hours.
Crunchbase, a private company intelligence platform, has confirmed a data breach of over 2 million records claimed by ShinyHunters threat group after a ransom demand was refused. The published files were stolen from its corporate network and include customer names, contact details, partner contracts and other internal documents. Crunchbase said that their operations were not disrupted.
Qilin ransomware group has leaked an alleged database belonging to Tulsa International Airport in Oklahoma. The database include financial records, internal emails, and employee identification data. The airport authority has not yet confirmed compromise, and operations reportedly continue.
Check Point Threat Emulation provides protection against this threat (Ransomware.Wins.Qilin.ta.*; Ransomware.Wins.Qilin)
WorldLeaks extortion group has claimed responsibility for a data breach on the sportswear giant Nike. The threat group allegedly exposed samples totaling 1.4 terabytes of internal data including documents and archives related to the company’s supply chain and manufacturing operations.
AI THREATS
Clawdbot, an open source AI agent gateway, has more than 900 publicly exposed and often unauthenticated instances due to localhost auto approval behind reverse proxies. It enables credential theft, access to chat histories, and remote code execution.
Researchers uncovered RedKitten, a 2026 campaign with LLM-assisted development indicators targeting Iranian activists and NGOs. The campaign uses password-protected Excel lures to deliver SloppyMIO, a C# implant that uses Telegram for C2 and GitHub/Google Drive for payloads, with steganographic configuration, AppDomain Manager injection, and scheduled task persistence.
Researchers identified 16 malicious Chrome extensions for ChatGPT that exfiltrate authorization details and session tokens. The extensions inject scripts into the ChatGPT web application to monitor outbound requests, allowing attackers to hijack sessions and access chat histories.
Researchers analyzed publicly accessible open-source LLM deployments via Ollama and revealed many with disabled guardrails and exposed system prompts, enabling spam, phishing, disinformation, and other abuse.
VULNERABILITIES AND PATCHES
A critical path traversal vulnerability (CVE-2025-8088) in WinRAR is actively exploited by government backed threat actors linked to Russia and China as well as financially motivated threat actors. Weaponized phishing forces WinRAR to write malware into the Windows Startup folder, enabling automatic execution for ransomware and credential theft. A patch is available on WinRAR 7.13.
Check Point IPS provides protection against this threat (RARLAB WinRAR Directory Traversal (CVE-2025-8088))
SmarterTools addressed two critical SmarterMail flaws, including CVE-2026-24423 enabling remote code execution and CVE-2026-23760 allowing unauthenticated admin account takeover. The second flaw is actively exploited, and over 6,000 exposed SmarterMail servers are reportedly vulnerable.
Check Point IPS provides protection against this threat (SmarterTools SmarterMail Remote Code Execution (CVE-2026-24423); SmarterTools SmarterMail Authentication Bypass (CVE-2026-23760))
Fortinet has fixed CVE-2026-24858, an authentication bypass in FortiCloud single sign on which allowed unauthorized access and admin creation on downstream devices. The flaw carries CVSS 9.4 and is actively exploited via FortiCloud SSO.
THREAT INTELLIGENCE REPORTS
Check Point Research has published the 2026 Cyber Security Report, highlighting AI as a force multiplier across attacks, fragmentation in ransomware with data only extortion, and multi-channel social engineering attacks. It maps threat activity to geopolitics and identity driven paths, quantifies risky AI usage, and provides sector and regional breakouts.
Polish CERT detailed coordinated destructive attacks on Polish energy and manufacturing sectors, attributed to Static Tundra, using FortiGate SSL VPN access. The attackers conducted reconnaissance, firmware damage, lateral movement, and deployed DynoWiper and LazyWiper that corrupt files.
Researchers have uncovered renewed Matanbuchus downloader campaigns using Microsoft Installer files disguised as legitimate installers, with frequent component changes to evade antivirus and machine learning detection. In many cases, the loader is used for further ransomware deployment.
Check Point Harmony Endpoint and Threat Emulation provide protection against this threat (Trojan-Downloader.Wins.Matanbuchus.ta.*; Trojan-Downloader.Wins.Matanbuchus; Trojan-Downloader.Win.Matanbuchus)
Researchers have identified PyRAT, a Python based cross platform RAT for Windows and Linux, using unencrypted HTTP POST C2, fingerprinting victims, and file and screenshot exfiltration. Persistence uses a deceptive autostart on Linux and a user Run key on Windows, with semi persistent identifiers.
Researchers have found an Android campaign distributing a RAT via fake security alerts installing TrustBastion, which retrieves a second-stage payload from Hugging Face. The malware abuses Accessibility Services, deploys credential-stealing overlays, and uses server-side polymorphism to regenerate payloads every 15 minutes.
Over the past few years, we’ve been observing and monitoring the espionage activities of HoneyMyte (aka Mustang Panda or Bronze President) within Asia and Europe, with the Southeast Asia region being the most affected. The primary targets of most of the group’s campaigns were government entities.
As an APT group, HoneyMyte uses a variety of sophisticated tools to achieve its goals. These tools include ToneShell, PlugX, Qreverse and CoolClient backdoors, Tonedisk and SnakeDisk USB worms, among others. In 2025, we observed HoneyMyte updating its toolset by enhancing the CoolClient backdoor with new features, deploying several variants of a browser login data stealer, and using multiple scripts designed for data theft and reconnaissance.
An early version of the CoolClient backdoor was first discovered by Sophos in 2022, and TrendMicro later documented an updated version in 2023. Fast forward to our recent investigations, we found that CoolClient has evolved quite a bit, and the developers have added several new features to the backdoor. This updated version has been observed in multiple campaigns across Myanmar, Mongolia, Malaysia and Russia where it was often deployed as a secondary backdoor in addition to PlugX and LuminousMoth infections.
In our observations, CoolClient was typically delivered alongside encrypted loader files containing encrypted configuration data, shellcode, and in-memory next-stage DLL modules. These modules relied on DLL sideloading as their primary execution method, which required a legitimate signed executable to load a malicious DLL. Between 2021 and 2025, the threat actor abused signed binaries from various software products, including BitDefender, VLC Media Player, Ulead PhotoImpact, and several Sangfor solutions.
Variants of CoolClient abusing different software for DLL sideloading (2021–2025)
The latest CoolClient version analyzed in this article abuses legitimate software developed by Sangfor. Below, you can find an overview of how it operates. It is worth noting that its behavior remains consistent across all variants, except for differences in the final-stage features.
Overview of CoolClient execution flow
However, it is worth noting that in another recent campaign involving this malware in Pakistan and Myanmar, we observed that HoneyMyte has introduced a newer variant of CoolClient that drops and executes a previously unseen rootkit. A separate report will be published in the future that covers the technical analysis and findings related to this CoolClient variant and the associated rootkit.
CoolClient functionalities
In terms of functionality, CoolClient collects detailed system and user information. This includes the computer name, operating system version, total physical memory (RAM), network details (MAC and IP addresses), logged-in user information, and descriptions and versions of loaded driver modules. Furthermore, both old and new variants of CoolClient support file upload to the C2, file deletion, keylogging, TCP tunneling, reverse proxy listening, and plugin staging/execution for running additional in-memory modules. These features are still present in the latest versions, alongside newly added functionalities.
In this latest variant, CoolClient relies on several important files to function properly:
Filename
Description
Sang.exe
Legitimate Sangfor application abused for DLL sideloading.
libngs.dll
Malicious DLL used to decrypt loader.dat and execute shellcode.
loader.dat
Encrypted file containing shellcode and a second-stage DLL. Parameter checker and process injection activity reside here.
time.dat
Encrypted configuration file.
main.dat
Encrypted file containing shellcode and a third-stage DLL. The core functionality resides here.
Parameter modes in second-stage DLL
CoolClient typically requires three parameters to function properly. These parameters determine which actions the malware is supposed to perform. The following parameters are supported.
Parameter
Actions
No parameter
· CoolClient will launch a new process of itself with the install parameter. For example: Sang.exe install.
install
CoolClient decrypts time.dat.
Adds new key to the Run registry for persistence mechanism.
Creates a process named write.exe.
Decrypts and injects loader.dat into a newly created write.exe process.
Checks for service control manager (SCM) access.
Checks for multiple AV processes such as 360sd.exe, zhudongfangyu.exe and 360desktopservice64.exe.
Installs a service named media_updaten and starts it.
If the current user is in the Administrator group, creates a new process of itself with the passuac parameter to bypass UAC.
work
Creates a process named write.exe.
Decrypts and injects loader.dat into a newly spawned write.exe process.
passuac
Bypasses UAC and performs privilege elevation.
Checks if the machine runs Windows 10 or a later version.
Impersonates svchost.exe process by spoofing PEB information.
Creates a scheduled task named ComboxResetTask for persistence. The task executes the malware with the work parameter.
Elevates privileges to admin by duplicating an access token from an existing elevated process.
Final stage DLL
The write.exe process decrypts and launches the main.dat file, which contains the third (final) stage DLL. CoolClient’s core features are implemented in this DLL. When launched, it first checks whether the keylogger, clipboard stealer, and HTTP proxy credential sniffer are enabled. If they are, CoolClient creates a new thread for each specific functionality. It is worth noting that the clipboard stealer and HTTP proxy credential sniffer are new features that weren’t present in older versions.
Clipboard and active windows monitor
A new feature introduced in CoolClient is clipboard monitoring, which leverages functions that are typically abused by clipboard stealers, such as GetClipboardData and GetWindowTextW, to capture clipboard information.
CoolClient also retrieves the window title, process ID and current timestamp of the user’s active window using the GetWindowTextW API. This information enables the attackers to monitor user behavior, identify which applications are in use, and determine the context of data copied at a given moment.
The clipboard contents and active window information are encrypted using a simple XOR operation with the byte key 0xAC, and then written to a file located at C:\ProgramData\AppxProvisioning.xml.
HTTP proxy credential sniffer
Another notable new functionality is CoolClient’s ability to extract HTTP proxy credentials from the host’s HTTP traffic packets. To do so, the malware creates dedicated threads to intercept and parse raw network traffic on each local IP address. Once it is able to intercept and parse the traffic, CoolClient starts extracting proxy authentication credentials from HTTP traffic intercepted by the malware’s packet sniffer.
The function operates by analyzing the raw TCP payload to locate the Proxy-Connection header and ensure the packet is relevant. It then looks for the Proxy-Authorization: Basic header, extracts and decodes the Base64-encoded credential and saves it in memory to be sent later to the C2.
Function used to find and extract Base64-encoded credentials from HTTP proxy-authorization headers
C2 command handler
The latest CoolClient variant uses TCP as the main C2 communication protocol by default, but it also has the option to use UDP, similar to the previous variant. Each incoming payload begins with a four-byte magic value to identify the command family. However, if the command is related to downloading and running a plugin, this value is absent. If the client receives a packet without a recognized magic value, it switches to plugin mode (mechanism used to receive and execute plugin modules in memory) for command processing.
Magic value
Command category
CC BB AA FF
Beaconing, status update, configuration.
CD BB AA FF
Operational commands such as tunnelling, keylogging and file operations.
No magic value
Receive and execute plugin module in memory.
0xFFAABBCC – Beacon and configuration commands
Below is the command menu to manage client status and beaconing:
Command ID
Action
0x0
Send beacon connection
0x1
Update beacon timestamp
0x2
Enumerate active user sessions
0x3
Handle incoming C2 command
0xFFAABBCD – Operational commands
This command group implements functionalities such as data theft, proxy setup, and file manipulation. The following is a breakdown of known subcommands:
Command ID
Action
0x0
Set up reverse tunnel connection
0x1
Send data through tunnel
0x2
Close tunnel connection
0x3
Set up reverse proxy
0x4
Shut down a specific socket
0x6
List files in a directory
0x7
Delete file
0x8
Set up keylogger
0x9
Terminate keylogger thread
0xA
Get clipboard data
0xB
Install clipboard and active windows monitor
0xC
Turn off clipboard and active windows monitor
0xD
Read and send file
0xE
Delete file
CoolClient plugins
CoolClient supports multiple plugins, each dedicated to a specific functionality. Our recent findings indicate that the HoneyMyte group actively used CoolClient in campaigns targeting Mongolia, where the attackers pushed and executed a plugin named FileMgrS.dll through the C2 channel for file management operations.
Further sample hunting in our telemetry revealed two additional plugins: one providing remote shell capability (RemoteShellS.dll), and another focused on service management (ServiceMgrS.dll).
ServiceMgrS.dll – Service management plugin
This plugin is used to manage services on the victim host. It can enumerate all services, create new services, and even delete existing ones. The following table lists the command IDs and their respective actions.
Command ID
Action
0x0
Enumerate services
0x1 / 0x4
Start or resume service
0x2
Stop service
0x3
Pause service
0x5
Create service
0x6
Delete service
0x7
Set service to start automatically at boot
0x8
Set service to be launched manually
0x9
Set service to disabled
FileMgrS.dll – File management plugin
A few basic file operations are already supported in the operational commands of the main CoolClient implant, such as listing directory contents and deleting files. However, the dedicated file management plugin provides a full set of file management capabilities.
Command ID
Action
0x0
List drives and network resources
0x1
List files in folder
0x2
Delete file or folder
0x3
Create new folder
0x4
Move file
0x5
Read file
0x6
Write data to file
0x7
Compress file or folder into ZIP archive
0x8
Execute file
0x9
Download and execute file using certutil
0xA
Search for file
0xB
Send search result
0xC
Map network drive
0xD
Set chunk size for file transfers
0xF
Bulk copy or move
0x10
Get file metadata
0x11
Set file metadata
RemoteShellS.dll – Remote shell plugin
Based on our analysis of the main implant, the C2 command handler did not implement remote shell functionality. Instead, CoolClient relied on a dedicated plugin to enable this capability. This plugin spawns a hidden cmd.exe process, redirecting standard input and output through pipes, which allows the attacker to send commands into the process and capture the resulting output. This output is then forwarded back to the C2 server for remote interaction.
CoolClient plugin that spawns cmd.exe with redirected I/O and forwards command output to C2
Browser login data stealer
While investigating suspicious ToneShell backdoor traffic originating from a host in Thailand, we discovered that the HoneyMyte threat actor had downloaded and executed a malware sample intended to extract saved login credentials from the Chrome browser as part of their post-exploitation activities. We will refer to this sample as Variant A. On the same day, the actor executed a separate malware sample (Variant B) targeting credentials stored in the Microsoft Edge browser. Both samples can be considered part of the same malware family.
During a separate threat hunting operation focused on HoneyMyte’s QReverse backdoor, we retrieved another variant of a Chrome credential parser (Variant C) that exhibited significant code similarities to the sample used in the aforementioned ToneShell campaign.
The malware was observed in countries such as Myanmar, Malaysia, and Thailand, with a particular focus on the government sector.
The following table shows the variants of this browser credential stealer employed by HoneyMyte.
Variant
Targeted browser(s)
Execution method
MD5 hash
A
Chrome
Direct execution (PE32)
1A5A9C013CE1B65ABC75D809A25D36A7
B
Edge
Direct execution (PE32)
E1B7EF0F3AC0A0A64F86E220F362B149
C
Chromium-based browsers
DLL side-loading
DA6F89F15094FD3F74BA186954BE6B05
These stealers may be part of a new malware toolset used by HoneyMyte during post-exploitation activities.
Initial infection
As part of post-exploitation activity involving the ToneShell backdoor, the threat actor initially executed the Variant A stealer, which targeted Chrome credentials. However, we were unable to determine the exact delivery mechanism used to deploy it.
A few minutes later, the threat actor executed a command to download and run the Variant B stealer from a remote server. This variant specifically targeted Microsoft Edge credentials.
Within the same hour that Variant B was downloaded and executed, we observed the threat actor issue another command to exfiltrate the Firefox browser cookie file (cookies.sqlite) to Google Drive using a curl command.
Unlike Variants A and B, which use hardcoded file paths, the Variant C stealer accepts two runtime arguments: file paths to the browser’s Login Data and Local State files. This provides greater flexibility and enables the stealer to target any Chromium-based browser such as Chrome, Edge, Brave, or Opera, regardless of the user profile or installation path. An example command used to execute Variant C is as follows:
In this context, the Login Data file is an SQLite database that stores saved website login credentials, including usernames and AES-encrypted passwords. The Local State file is a JSON-formatted configuration file containing browser metadata, with the most important value being encrypted_key, a Base64-encoded AES key. It is required to decrypt the passwords stored in the Login Data database and is also encrypted.
When executed, the malware copies the Login Data file to the user’s temporary directory as chromeTmp.
Function that copies Chrome browser login data into a temporary file (chromeTmp) for exfiltration
To retrieve saved credentials, the malware executes the following SQL query on the copied database:
SELECT origin_url, username_value, password_value FROM logins
This query returns the login URL, stored username, and encrypted password for each saved entry.
Next, the malware reads the Local State file to extract the browser’s encrypted master key. This key is protected using the Windows Data Protection API (DPAPI), ensuring that the encrypted data can only be decrypted by the same Windows user account that created it. The malware then uses the CryptUnprotectData API to decrypt this key, enabling it to access and decrypt password entries from the Login Data SQLite database.
With the decrypted AES key in memory, the malware proceeds to decrypt each saved password and reconstructs complete login records.
Finally, it saves the results to the text file C:\Users\Public\Libraries\License.txt.
Login data stealer’s attribution
Our investigation indicated that the malware was consistently used in the ToneShell backdoor campaign, which was attributed to the HoneyMyte APT group.
Another factor supporting our attribution is that the browser credential stealer appeared to be linked to the LuminousMoth APT group, which has previously been connected to HoneyMyte. Our analysis of LuminousMoth’s cookie stealer revealed several code-level similarities with HoneyMyte’s credential stealer. For example, both malware families used the same method to copy targeted files, such as Login Data and Cookies, into a temporary folder named ChromeTmp, indicating possible tool reuse or a shared codebase.
Code similarity between HoneyMyte’s saved login data stealer and LuminousMoth’s cookie stealer
Both stealers followed the same steps: they checked if the original Login Data file existed, located the temporary folder, and copied the browser data into a file with the same name.
Based on these findings, we assess with high confidence that HoneyMyte is behind this browser credential stealer, which also has a strong connection to the LuminousMoth APT group.
Document theft and system information reconnaissance scripts
In several espionage campaigns, HoneyMyte used a number of scripts to gather system information, conduct document theft activities and steal browser login data. One of these scripts is a batch file named 1.bat.
1.bat – System enumeration and data exfiltration batch script
The script starts by downloading curl.exe and rar.exe into the public folder. These are the tools used for file transfer and compression.
Batch script that downloads curl.exe and rar.exe from HoneyMyte infrastructure and executes them for file transfer and compression
It then collects network details and downloads and runs the nbtscan tool for internal network scanning.
Batch script that performs network enumeration and saves the results to the log.dat file for later exfiltration
During enumeration, the script also collects information such as stored credentials, the result of the systeminfo command, registry keys, the startup folder list, the list of files and folders, and antivirus information into a file named log.dat. It then uploads this file via FTP to http://113.23.212[.]15/pub/.
Batch script that collects registry, startup items, directories, and antivirus information for system profiling
Next, it deletes both log.dat and the nbtscan executable to remove traces. The script then terminates browser processes, compresses browser-related folders, retrieves FileZilla configuration files, archives documents from all drives with rar.exe, and uploads the collected data to the same server.
Finally, it deletes any remaining artifacts to cover its tracks.
Ttraazcs32.ps1 – PowerShell-based collection and exfiltration
The second script observed in HoneyMyte operations is a PowerShell file named Ttraazcs32.ps1.
Similar to the batch file, this script downloads curl.exe and rar.exe into the public folder to handle file transfers and compression. It collects computer and user information, as well as network details such as the public IP address and Wi-Fi network data.
All gathered information is written to a file, compressed into a password-protected RAR archive and uploaded via FTP.
In addition to system profiling, the script searches multiple drives including C:\Users\Desktop, Downloads, and drives D: to Z: for recently modified documents. Targeted file types include .doc, .xls, .pdf, .tif, and .txt, specifically those changed within the last 60 days. These files are also compressed into a password-protected RAR archive and exfiltrated to the same FTP server.
t.ps1 – Saved login data collection and exfiltration
The third script attributed to HoneyMyte is a PowerShell file named t.ps1.
The script requires a number as a parameter and creates a working directory under D:\temp with that number as the directory name. The number is not related to any identifier. It is simply a numeric label that is probably used to organize stolen data by victim. If the D drive doesn’t exist on the victim’s machine, the new folder will be created in the current working directory.
The script then searches the system for Chrome and Chromium-based browser files such as Login Data and Local State. It copies these files into the target directory and extracts the encrypted_key value from the Local State file. It then uses Windows DPAPI (System.Security.Cryptography.ProtectedData) to decrypt this key and writes the decrypted Base64-encoded key into a new file named Local State-journal in the same directory. For example, if the original file is C:\Users\$username \AppData\Local\Google\Chrome\User Data\Local State, the script creates a new file C:\Users\$username\AppData\Local\Google\Chrome\User Data\Local State-journal, which the attacker can later use to access stored credentials.
PowerShell script that extracts and decrypts the Chrome encrypted_key from the Local State file before writing the result to a Local State-journal file
Once the credential data is ready, the script verifies that both rar.exe and curl.exe are available. If they are not present, it downloads them directly from Google Drive. The script then compresses the collected data into a password-protected archive (the password is “PIXELDRAIN”) and uploads it to pixeldrain.com using the service’s API, authenticated with a hardcoded token. Pixeldrain is a public file-sharing service that attackers abuse for data exfiltration.
Script that compresses data with RAR, and exfiltrates it to Pixeldrain via API
This approach highlights HoneyMyte’s shift toward using public file-sharing services to covertly exfiltrate sensitive data, especially browser login credentials.
Conclusion
Recent findings indicate that HoneyMyte continues to operate actively in the wild, deploying an updated toolset that includes the CoolClient backdoor, a browser login data stealer, and various document theft scripts.
With capabilities such as keylogging, clipboard monitoring, proxy credential theft, document exfiltration, browser credential harvesting, and large-scale file theft, HoneyMyte’s campaigns appear to go far beyond traditional espionage goals like document theft and persistence. These tools indicate a shift toward the active surveillance of user activity that includes capturing keystrokes, collecting clipboard data, and harvesting proxy credential.
Organizations should remain highly vigilant against the deployment of HoneyMyte’s toolset, including the CoolClient backdoor, as well as related malware families such as PlugX, ToneShell, Qreverse, and LuminousMoth. These operations are part of a sophisticated threat actor strategy designed to maintain persistent access to compromised systems while conducting high-value surveillance activities.
Over the past few years, we’ve been observing and monitoring the espionage activities of HoneyMyte (aka Mustang Panda or Bronze President) within Asia and Europe, with the Southeast Asia region being the most affected. The primary targets of most of the group’s campaigns were government entities.
As an APT group, HoneyMyte uses a variety of sophisticated tools to achieve its goals. These tools include ToneShell, PlugX, Qreverse and CoolClient backdoors, Tonedisk and SnakeDisk USB worms, among others. In 2025, we observed HoneyMyte updating its toolset by enhancing the CoolClient backdoor with new features, deploying several variants of a browser login data stealer, and using multiple scripts designed for data theft and reconnaissance.
An early version of the CoolClient backdoor was first discovered by Sophos in 2022, and TrendMicro later documented an updated version in 2023. Fast forward to our recent investigations, we found that CoolClient has evolved quite a bit, and the developers have added several new features to the backdoor. This updated version has been observed in multiple campaigns across Myanmar, Mongolia, Malaysia and Russia where it was often deployed as a secondary backdoor in addition to PlugX and LuminousMoth infections.
In our observations, CoolClient was typically delivered alongside encrypted loader files containing encrypted configuration data, shellcode, and in-memory next-stage DLL modules. These modules relied on DLL sideloading as their primary execution method, which required a legitimate signed executable to load a malicious DLL. Between 2021 and 2025, the threat actor abused signed binaries from various software products, including BitDefender, VLC Media Player, Ulead PhotoImpact, and several Sangfor solutions.
Variants of CoolClient abusing different software for DLL sideloading (2021–2025)
The latest CoolClient version analyzed in this article abuses legitimate software developed by Sangfor. Below, you can find an overview of how it operates. It is worth noting that its behavior remains consistent across all variants, except for differences in the final-stage features.
Overview of CoolClient execution flow
However, it is worth noting that in another recent campaign involving this malware in Pakistan and Myanmar, we observed that HoneyMyte has introduced a newer variant of CoolClient that drops and executes a previously unseen rootkit. A separate report will be published in the future that covers the technical analysis and findings related to this CoolClient variant and the associated rootkit.
CoolClient functionalities
In terms of functionality, CoolClient collects detailed system and user information. This includes the computer name, operating system version, total physical memory (RAM), network details (MAC and IP addresses), logged-in user information, and descriptions and versions of loaded driver modules. Furthermore, both old and new variants of CoolClient support file upload to the C2, file deletion, keylogging, TCP tunneling, reverse proxy listening, and plugin staging/execution for running additional in-memory modules. These features are still present in the latest versions, alongside newly added functionalities.
In this latest variant, CoolClient relies on several important files to function properly:
Filename
Description
Sang.exe
Legitimate Sangfor application abused for DLL sideloading.
libngs.dll
Malicious DLL used to decrypt loader.dat and execute shellcode.
loader.dat
Encrypted file containing shellcode and a second-stage DLL. Parameter checker and process injection activity reside here.
time.dat
Encrypted configuration file.
main.dat
Encrypted file containing shellcode and a third-stage DLL. The core functionality resides here.
Parameter modes in second-stage DLL
CoolClient typically requires three parameters to function properly. These parameters determine which actions the malware is supposed to perform. The following parameters are supported.
Parameter
Actions
No parameter
· CoolClient will launch a new process of itself with the install parameter. For example: Sang.exe install.
install
CoolClient decrypts time.dat.
Adds new key to the Run registry for persistence mechanism.
Creates a process named write.exe.
Decrypts and injects loader.dat into a newly created write.exe process.
Checks for service control manager (SCM) access.
Checks for multiple AV processes such as 360sd.exe, zhudongfangyu.exe and 360desktopservice64.exe.
Installs a service named media_updaten and starts it.
If the current user is in the Administrator group, creates a new process of itself with the passuac parameter to bypass UAC.
work
Creates a process named write.exe.
Decrypts and injects loader.dat into a newly spawned write.exe process.
passuac
Bypasses UAC and performs privilege elevation.
Checks if the machine runs Windows 10 or a later version.
Impersonates svchost.exe process by spoofing PEB information.
Creates a scheduled task named ComboxResetTask for persistence. The task executes the malware with the work parameter.
Elevates privileges to admin by duplicating an access token from an existing elevated process.
Final stage DLL
The write.exe process decrypts and launches the main.dat file, which contains the third (final) stage DLL. CoolClient’s core features are implemented in this DLL. When launched, it first checks whether the keylogger, clipboard stealer, and HTTP proxy credential sniffer are enabled. If they are, CoolClient creates a new thread for each specific functionality. It is worth noting that the clipboard stealer and HTTP proxy credential sniffer are new features that weren’t present in older versions.
Clipboard and active windows monitor
A new feature introduced in CoolClient is clipboard monitoring, which leverages functions that are typically abused by clipboard stealers, such as GetClipboardData and GetWindowTextW, to capture clipboard information.
CoolClient also retrieves the window title, process ID and current timestamp of the user’s active window using the GetWindowTextW API. This information enables the attackers to monitor user behavior, identify which applications are in use, and determine the context of data copied at a given moment.
The clipboard contents and active window information are encrypted using a simple XOR operation with the byte key 0xAC, and then written to a file located at C:\ProgramData\AppxProvisioning.xml.
HTTP proxy credential sniffer
Another notable new functionality is CoolClient’s ability to extract HTTP proxy credentials from the host’s HTTP traffic packets. To do so, the malware creates dedicated threads to intercept and parse raw network traffic on each local IP address. Once it is able to intercept and parse the traffic, CoolClient starts extracting proxy authentication credentials from HTTP traffic intercepted by the malware’s packet sniffer.
The function operates by analyzing the raw TCP payload to locate the Proxy-Connection header and ensure the packet is relevant. It then looks for the Proxy-Authorization: Basic header, extracts and decodes the Base64-encoded credential and saves it in memory to be sent later to the C2.
Function used to find and extract Base64-encoded credentials from HTTP proxy-authorization headers
C2 command handler
The latest CoolClient variant uses TCP as the main C2 communication protocol by default, but it also has the option to use UDP, similar to the previous variant. Each incoming payload begins with a four-byte magic value to identify the command family. However, if the command is related to downloading and running a plugin, this value is absent. If the client receives a packet without a recognized magic value, it switches to plugin mode (mechanism used to receive and execute plugin modules in memory) for command processing.
Magic value
Command category
CC BB AA FF
Beaconing, status update, configuration.
CD BB AA FF
Operational commands such as tunnelling, keylogging and file operations.
No magic value
Receive and execute plugin module in memory.
0xFFAABBCC – Beacon and configuration commands
Below is the command menu to manage client status and beaconing:
Command ID
Action
0x0
Send beacon connection
0x1
Update beacon timestamp
0x2
Enumerate active user sessions
0x3
Handle incoming C2 command
0xFFAABBCD – Operational commands
This command group implements functionalities such as data theft, proxy setup, and file manipulation. The following is a breakdown of known subcommands:
Command ID
Action
0x0
Set up reverse tunnel connection
0x1
Send data through tunnel
0x2
Close tunnel connection
0x3
Set up reverse proxy
0x4
Shut down a specific socket
0x6
List files in a directory
0x7
Delete file
0x8
Set up keylogger
0x9
Terminate keylogger thread
0xA
Get clipboard data
0xB
Install clipboard and active windows monitor
0xC
Turn off clipboard and active windows monitor
0xD
Read and send file
0xE
Delete file
CoolClient plugins
CoolClient supports multiple plugins, each dedicated to a specific functionality. Our recent findings indicate that the HoneyMyte group actively used CoolClient in campaigns targeting Mongolia, where the attackers pushed and executed a plugin named FileMgrS.dll through the C2 channel for file management operations.
Further sample hunting in our telemetry revealed two additional plugins: one providing remote shell capability (RemoteShellS.dll), and another focused on service management (ServiceMgrS.dll).
ServiceMgrS.dll – Service management plugin
This plugin is used to manage services on the victim host. It can enumerate all services, create new services, and even delete existing ones. The following table lists the command IDs and their respective actions.
Command ID
Action
0x0
Enumerate services
0x1 / 0x4
Start or resume service
0x2
Stop service
0x3
Pause service
0x5
Create service
0x6
Delete service
0x7
Set service to start automatically at boot
0x8
Set service to be launched manually
0x9
Set service to disabled
FileMgrS.dll – File management plugin
A few basic file operations are already supported in the operational commands of the main CoolClient implant, such as listing directory contents and deleting files. However, the dedicated file management plugin provides a full set of file management capabilities.
Command ID
Action
0x0
List drives and network resources
0x1
List files in folder
0x2
Delete file or folder
0x3
Create new folder
0x4
Move file
0x5
Read file
0x6
Write data to file
0x7
Compress file or folder into ZIP archive
0x8
Execute file
0x9
Download and execute file using certutil
0xA
Search for file
0xB
Send search result
0xC
Map network drive
0xD
Set chunk size for file transfers
0xF
Bulk copy or move
0x10
Get file metadata
0x11
Set file metadata
RemoteShellS.dll – Remote shell plugin
Based on our analysis of the main implant, the C2 command handler did not implement remote shell functionality. Instead, CoolClient relied on a dedicated plugin to enable this capability. This plugin spawns a hidden cmd.exe process, redirecting standard input and output through pipes, which allows the attacker to send commands into the process and capture the resulting output. This output is then forwarded back to the C2 server for remote interaction.
CoolClient plugin that spawns cmd.exe with redirected I/O and forwards command output to C2
Browser login data stealer
While investigating suspicious ToneShell backdoor traffic originating from a host in Thailand, we discovered that the HoneyMyte threat actor had downloaded and executed a malware sample intended to extract saved login credentials from the Chrome browser as part of their post-exploitation activities. We will refer to this sample as Variant A. On the same day, the actor executed a separate malware sample (Variant B) targeting credentials stored in the Microsoft Edge browser. Both samples can be considered part of the same malware family.
During a separate threat hunting operation focused on HoneyMyte’s QReverse backdoor, we retrieved another variant of a Chrome credential parser (Variant C) that exhibited significant code similarities to the sample used in the aforementioned ToneShell campaign.
The malware was observed in countries such as Myanmar, Malaysia, and Thailand, with a particular focus on the government sector.
The following table shows the variants of this browser credential stealer employed by HoneyMyte.
Variant
Targeted browser(s)
Execution method
MD5 hash
A
Chrome
Direct execution (PE32)
1A5A9C013CE1B65ABC75D809A25D36A7
B
Edge
Direct execution (PE32)
E1B7EF0F3AC0A0A64F86E220F362B149
C
Chromium-based browsers
DLL side-loading
DA6F89F15094FD3F74BA186954BE6B05
These stealers may be part of a new malware toolset used by HoneyMyte during post-exploitation activities.
Initial infection
As part of post-exploitation activity involving the ToneShell backdoor, the threat actor initially executed the Variant A stealer, which targeted Chrome credentials. However, we were unable to determine the exact delivery mechanism used to deploy it.
A few minutes later, the threat actor executed a command to download and run the Variant B stealer from a remote server. This variant specifically targeted Microsoft Edge credentials.
Within the same hour that Variant B was downloaded and executed, we observed the threat actor issue another command to exfiltrate the Firefox browser cookie file (cookies.sqlite) to Google Drive using a curl command.
Unlike Variants A and B, which use hardcoded file paths, the Variant C stealer accepts two runtime arguments: file paths to the browser’s Login Data and Local State files. This provides greater flexibility and enables the stealer to target any Chromium-based browser such as Chrome, Edge, Brave, or Opera, regardless of the user profile or installation path. An example command used to execute Variant C is as follows:
In this context, the Login Data file is an SQLite database that stores saved website login credentials, including usernames and AES-encrypted passwords. The Local State file is a JSON-formatted configuration file containing browser metadata, with the most important value being encrypted_key, a Base64-encoded AES key. It is required to decrypt the passwords stored in the Login Data database and is also encrypted.
When executed, the malware copies the Login Data file to the user’s temporary directory as chromeTmp.
Function that copies Chrome browser login data into a temporary file (chromeTmp) for exfiltration
To retrieve saved credentials, the malware executes the following SQL query on the copied database:
SELECT origin_url, username_value, password_value FROM logins
This query returns the login URL, stored username, and encrypted password for each saved entry.
Next, the malware reads the Local State file to extract the browser’s encrypted master key. This key is protected using the Windows Data Protection API (DPAPI), ensuring that the encrypted data can only be decrypted by the same Windows user account that created it. The malware then uses the CryptUnprotectData API to decrypt this key, enabling it to access and decrypt password entries from the Login Data SQLite database.
With the decrypted AES key in memory, the malware proceeds to decrypt each saved password and reconstructs complete login records.
Finally, it saves the results to the text file C:\Users\Public\Libraries\License.txt.
Login data stealer’s attribution
Our investigation indicated that the malware was consistently used in the ToneShell backdoor campaign, which was attributed to the HoneyMyte APT group.
Another factor supporting our attribution is that the browser credential stealer appeared to be linked to the LuminousMoth APT group, which has previously been connected to HoneyMyte. Our analysis of LuminousMoth’s cookie stealer revealed several code-level similarities with HoneyMyte’s credential stealer. For example, both malware families used the same method to copy targeted files, such as Login Data and Cookies, into a temporary folder named ChromeTmp, indicating possible tool reuse or a shared codebase.
Code similarity between HoneyMyte’s saved login data stealer and LuminousMoth’s cookie stealer
Both stealers followed the same steps: they checked if the original Login Data file existed, located the temporary folder, and copied the browser data into a file with the same name.
Based on these findings, we assess with high confidence that HoneyMyte is behind this browser credential stealer, which also has a strong connection to the LuminousMoth APT group.
Document theft and system information reconnaissance scripts
In several espionage campaigns, HoneyMyte used a number of scripts to gather system information, conduct document theft activities and steal browser login data. One of these scripts is a batch file named 1.bat.
1.bat – System enumeration and data exfiltration batch script
The script starts by downloading curl.exe and rar.exe into the public folder. These are the tools used for file transfer and compression.
Batch script that downloads curl.exe and rar.exe from HoneyMyte infrastructure and executes them for file transfer and compression
It then collects network details and downloads and runs the nbtscan tool for internal network scanning.
Batch script that performs network enumeration and saves the results to the log.dat file for later exfiltration
During enumeration, the script also collects information such as stored credentials, the result of the systeminfo command, registry keys, the startup folder list, the list of files and folders, and antivirus information into a file named log.dat. It then uploads this file via FTP to http://113.23.212[.]15/pub/.
Batch script that collects registry, startup items, directories, and antivirus information for system profiling
Next, it deletes both log.dat and the nbtscan executable to remove traces. The script then terminates browser processes, compresses browser-related folders, retrieves FileZilla configuration files, archives documents from all drives with rar.exe, and uploads the collected data to the same server.
Finally, it deletes any remaining artifacts to cover its tracks.
Ttraazcs32.ps1 – PowerShell-based collection and exfiltration
The second script observed in HoneyMyte operations is a PowerShell file named Ttraazcs32.ps1.
Similar to the batch file, this script downloads curl.exe and rar.exe into the public folder to handle file transfers and compression. It collects computer and user information, as well as network details such as the public IP address and Wi-Fi network data.
All gathered information is written to a file, compressed into a password-protected RAR archive and uploaded via FTP.
In addition to system profiling, the script searches multiple drives including C:\Users\Desktop, Downloads, and drives D: to Z: for recently modified documents. Targeted file types include .doc, .xls, .pdf, .tif, and .txt, specifically those changed within the last 60 days. These files are also compressed into a password-protected RAR archive and exfiltrated to the same FTP server.
t.ps1 – Saved login data collection and exfiltration
The third script attributed to HoneyMyte is a PowerShell file named t.ps1.
The script requires a number as a parameter and creates a working directory under D:\temp with that number as the directory name. The number is not related to any identifier. It is simply a numeric label that is probably used to organize stolen data by victim. If the D drive doesn’t exist on the victim’s machine, the new folder will be created in the current working directory.
The script then searches the system for Chrome and Chromium-based browser files such as Login Data and Local State. It copies these files into the target directory and extracts the encrypted_key value from the Local State file. It then uses Windows DPAPI (System.Security.Cryptography.ProtectedData) to decrypt this key and writes the decrypted Base64-encoded key into a new file named Local State-journal in the same directory. For example, if the original file is C:\Users\$username \AppData\Local\Google\Chrome\User Data\Local State, the script creates a new file C:\Users\$username\AppData\Local\Google\Chrome\User Data\Local State-journal, which the attacker can later use to access stored credentials.
PowerShell script that extracts and decrypts the Chrome encrypted_key from the Local State file before writing the result to a Local State-journal file
Once the credential data is ready, the script verifies that both rar.exe and curl.exe are available. If they are not present, it downloads them directly from Google Drive. The script then compresses the collected data into a password-protected archive (the password is “PIXELDRAIN”) and uploads it to pixeldrain.com using the service’s API, authenticated with a hardcoded token. Pixeldrain is a public file-sharing service that attackers abuse for data exfiltration.
Script that compresses data with RAR, and exfiltrates it to Pixeldrain via API
This approach highlights HoneyMyte’s shift toward using public file-sharing services to covertly exfiltrate sensitive data, especially browser login credentials.
Conclusion
Recent findings indicate that HoneyMyte continues to operate actively in the wild, deploying an updated toolset that includes the CoolClient backdoor, a browser login data stealer, and various document theft scripts.
With capabilities such as keylogging, clipboard monitoring, proxy credential theft, document exfiltration, browser credential harvesting, and large-scale file theft, HoneyMyte’s campaigns appear to go far beyond traditional espionage goals like document theft and persistence. These tools indicate a shift toward the active surveillance of user activity that includes capturing keystrokes, collecting clipboard data, and harvesting proxy credential.
Organizations should remain highly vigilant against the deployment of HoneyMyte’s toolset, including the CoolClient backdoor, as well as related malware families such as PlugX, ToneShell, Qreverse, and LuminousMoth. These operations are part of a sophisticated threat actor strategy designed to maintain persistent access to compromised systems while conducting high-value surveillance activities.
For the latest discoveries in cyber research for the week of 26th January, please download our Threat Intelligence Bulletin.
TOP ATTACKS AND BREACHES
RansomHub ransomware group has claimed responsibility for a cyber-attack on Luxshare, an electronics manufacturer of Apple, Nvidia, LG, Tesla, and others. The threat actors claimed access to 3D CAD models, circuit board designs, and engineering documentation. The company has not yet confirmed the breach.
Check Point Threat Emulation and Harmony Endpoint provide protection against this threat (Ransomware.Wins.Ransomhub.ta.*; Ransomware.Win.RansomHub)
Dark-web threat actor has leaked an alleged database belonging to Under Armour, a US sportswear company, affecting 72 million customer records following a November ransomware attack. The claimed exposed data includes names, email addresses, genders, dates of birth, and addresses.
Raaga, an India-based music streaming platform, has experienced a data breach involving 10.2 million user records, reportedly exfiltrated in December and later advertised on criminal forums. Exposed details include names, emails, demographics, locations, and passwords stored with unsalted MD5 hashes, raising credential stuffing and phishing risks.
Germany’s Dresden State Art Collections (SKD), one of Europe’s oldest museum networks, has confirmed a cyberattack that resulted in widespread disruption to its digital infrastructure and communications. The incident disabled online ticket sales, visitor services, and the museum shop, forced on-site payments to cash-only, and limited digital and phone services, with no indication of data theft or exposure reported.
AI THREATS
Researchers discovered an indirect prompt-injection flaw in Gemini’s Google Calendar assistant that bypassed Calendar privacy controls via a malicious invite description. Gemini used Calendar.create to place summaries of the victim’s meetings into a new event readable by the attacker.
Researchers uncovered a web attack technique where hidden prompts in benign pages call LLM API to generate polymorphic malicious JavaScript at runtime. This enables phishing and credential theft while evading signature-based detection and network filtering by leveraging AI service domains.
Advanced language models such as GPT-5.2 and Opus 4.5 were observed generating working exploits for a previously unknown zero-day vulnerability in QuickJS, a JavaScript interpreter, including in hardened environments where automated systems can produce functional attack code with little to no human intervention. Across six different configurations, the systems produced over 40 distinct exploits.
VULNERABILITIES AND PATCHES
Three high severity vulnerabilities (CVE-2025-68143, CVE-2025-68144, CVE-2025-68145) were disclosed in mcp-server-git, Anthropic’s Git MCP server, enabling path traversal and argument injection exploitable via prompt injection to read or delete files and achieve remote code execution. Fixes available in versions 2025.9.25 and 2025.12.18.
Zoom has fixed CVE-2026-22844, a critical command injection flaw in Zoom Node Multimedia Routers, used in Meeting Connector and Meetings Hybrid deployments. It enables participant remote code execution in versions before 5.2.1716.0, with no confirmed in-the-wild exploitation.
Fortinet has confirmed active exploitation of a FortiCloud SSO auth bypass on fully patched FortiGate firewalls, tied to CVE-2025-59718 and CVE-2025-59719. Attackers are logging in via crafted SAML messages, creating persistent accounts, enabling VPN access, and extracting firewall configurations.
THREAT INTELLIGENCE REPORTS
Check Point Research revealed that VoidLink, a recently exposed cloud-native Linux malware framework, is authored almost entirely by AI, likely under the direction of a single individual. The malware was produced predominantly through AI-driven development, reaching the first functional implant in under a week. From a methodology perspective, the actor used the model beyond coding, adopting an approach called Spec Driven Development (SDD).
Check Point Research identified an ongoing phishing campaign associated with KONNI, a North Korean–linked threat actor active since at least 2014. The campaign targets software developers and engineering teams across the Asia-Pacific region, including Japan, Australia, and India, using blockchain-themed lures to prompt interaction and deliver malicious content. In observed activity, the threat actor deploys AI-generated PowerShell backdoors that establish persistence, steal credentials, and enable infiltration of development environments
Check Point researchers describe a Microsoft Teams phishing campaign abusing guest invitations and finance-themed team names to mimic billing notices. More than 12K emails were observed hitting 6,135 users via invite emails with obfuscated text. The campaign targeted US-based organizations across manufacturing, technology, and education.
Researchers revealed a new ransomware family, Osiris, that blends legitimate Windows tools with custom malware to infiltrate networks and deploy encryption. The operators use a custom malicious driver, Poortry, masquerading as Malwarebytes to disable security software, and exfiltrated data with Rclone to Wasabi buckets before encryption.
Researchers identified a North Korean spear-phishing campaign targeting South Korea that abuses Microsoft Visual Studio Code tunnels for remote access. JSE files masquerading as Hangul documents start the infection chain and grant attackers terminal and file access using living-off-the-land techniques.
With AWS Payment Cryptography, your payment processing applications can use payment hardware security modules (HSMs) that are PCI PIN Transaction Security (PTS) HSM certified and fully managed by AWS, with PCI PIN-compliant key management. This attestation gives you the flexibility to deploy your regulated workloads with reduced compliance overhead.
The PCI PIN compliance report package for AWS Payment Cryptography includes two key components:
PCI PIN Attestation of Compliance (AOC) – demonstrating that AWS Payment Cryptography was successfully validated against the PCI PIN standard with zero findings
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AWS was evaluated by Coalfire, a third-party Qualified Security Assessor (QSA). Customers can access the PCI PIN Attestation of Compliance (AOC) and PCI PIN Responsibility Summary reports through AWS Artifact.
To learn more about our PCI programs and other compliance and security programs, visit the AWS Compliance Programs page. As always, we value your feedback and questions; reach out to the AWS Compliance team through the Compliance Support page.
If you have feedback about this post, submit comments in the Comments section below. If you have questions about this post, contact AWS Support.
Amazon Web Services (AWS) is pleased to announce that the Fall 2025 System and Organization Controls (SOC) 1, 2, and 3 reports are now available. The reports cover 185 services over the 12-month period from October 1, 2024–September 30, 2025, giving customers a full year of assurance. These reports demonstrate our continuous commitment to adhering to the heightened expectations of cloud service providers.
AWS strives to continuously bring services into the scope of its compliance programs to help customers meet their architectural and regulatory needs. You can view the current list of services in scope on our Services in Scope page. As an AWS customer, you can reach out to your AWS account team if you have any questions or feedback about SOC compliance.
To learn more about AWS compliance and security programs, see AWS Compliance Programs. As always, we value feedback and questions; reach out to the AWS Compliance team through the Contact Us page.
If you have feedback about this post, submit comments in the Comments section below.
For the latest discoveries in cyber research for the week of 19th January, please download our Threat Intelligence Bulletin.
TOP ATTACKS AND BREACHES
Spanish energy company Endesa has disclosed a data breach after unauthorized access to a commercial platform used to manage customer information. Media report attackers listed over 1 terabyte of data, including IBANs, for sale.
Belgian hospital AZ Monica has experienced a cyberattack that forced the shutdown of IT systems across its Deurne and Antwerp campuses. Surgeries were canceled, emergency capacity reduced, and the Red Cross transferred seven critical patients, while radiology, imaging, and chemotherapy were postponed and doctors lacked access to electronic records.
South Korean conglomerate Kyowon has reported a ransomware attack disrupting operations and potentially exposing customer information. Authorities estimate up to 9.6 million accounts could be affected, with approximately 600 of 800 servers compromised, while the company assesses data exposure and no group has claimed responsibility.
US digital investment advisor Betterment has disclosed a breach after a social engineering attack on a third party marketing platform enabled access used to send crypto phishing emails. Exposed data includes names, emails, postal addresses, phone numbers, and dates of birth, while customer accounts were not compromised.
Eurail, operator of Interrail and Eurail passes, has discloseda security incident affecting customers and seat reservations. Reports note exposure of personal, order, and reservation details, with some outlets referencing possible ID document copies and banking identifiers. DiscoverEU travelers may also be affected.
Anchorage Police Department (APD) has addresseda third party incident tied to Whitebox Technologies, a data migration vendor supporting multiple agencies. APD disabled vendor access and removed remaining data from provider systems, noting no evidence of APD data misuse as mitigation steps continued.
Armenia’s government has acknowledgeda potential leak after an actor advertised eight million records allegedly from official systems for 2,500 dollars. Early indications suggest data may stem from an electronic civil litigation platform, and authorities are validating the claims.
US nonprofit Central Maine Healthcare has disclosed a breach affecting 145,381 individuals after intruders persisted on its network between March and June 2025. Compromised data includes personal, treatment, and insurance information. Notifications began this month across affected communities in central, western, and mid-coast Maine.
VULNERABILITIES AND PATCHES
Check Point Research observed active exploitation of CVE-2025-37164 in HPE OneView, a CVSS 10.0 remote code execution flaw impacting versions 5.20 through 10.20. RondoDox botnet exploited this vulnerability starting January 7th. The exploitation was reported to CISA, which added the bug to KEV.
Check Point IPS provides protection against this threat (HPE OneView Remote Code Execution (CVE-2025-37164))
Microsoft January Patch Tuesday addressed 114 vulnerabilities, including one actively exploited zero-day, CVE-2026-20805 in Desktop Window Manager. Eight critical flaws were fixed across Windows and components.
Check Point IPS provides protection against this threat (Microsoft Desktop Windows Manager Information Disclosure (CVE-2026-20805))
A patch was releasedfor CVE-2026-23550 in the Modular DS WordPress plugin, rated maximum severity. Active exploitation began January 13 and allows unauthenticated admin takeover via exposed routes. Users should upgrade to version 2.5.2 from 2.5.1 or earlier immediately.
A critical flaw (CVE-2025-36911) in Google’s Fast Pair protocol enables hijacking of Bluetooth audio accessories, eavesdropping, and tracking. Fixes require firmware updates from device vendors rather than phone updates, with many impacted models pending patches.
THREAT INTELLIGENCE REPORTS
Check Point Research recorded a sharp December surge in cyber attacks in Latin America, where organizations averaged 3,065 weekly hits, a 26% year-over-year increase, while the global average reached 2,027 attacks. Ransomware activity accelerated with 945 publicly reported attacks, 60% increase year over year.
Check Point Research has revealed VoidLink, a cloud-native Linux framework with loaders, implants, rootkits, and modular plugins designed for persistence across containers and Kubernetes. It uses rootkits and over 30 modular plugins for credential theft, lateral movement, and covert communication. The toolkit appears China-affiliated and is rapidly evolving, yet no real-world infections have been confirmed.
Check Point Research uncovered the Sicarii ransomware-as-a-service operation, emerging in late 2025, which uses explicit Israeli/Jewish branding despite Russian-language activity and limited Hebrew proficiency, suggesting possible identity manipulation. The malware geo-fences to avoid Israeli systems, steals data and credentials, scans networks and attempts Fortinet exploitation.
Check Point Research identified Microsoft as the most impersonated brand in Q4 2025 phishing rank, representing 22 percent of attempts, with Google at 13 percent and Amazon at 9 percent. Campaigns spoofed Roblox, Netflix account recovery, and Spanish Facebook pages to steal credentials, enabling account takeover and enterprise access.
Amazon Web Services (AWS) is pleased to announce that two additional AWS services and one additional AWS Region have been added to the scope of our Payment Card Industry Data Security Standard (PCI DSS) certification:
This certification allows customers to use these services while maintaining PCI DSS compliance, enabling innovation without compromising security. The full list of services can be found on the AWS Services in Scope by Compliance Program. The PCI DSS compliance package includes two key components:
Attestation of Compliance (AOC) demonstrating that AWS was successfully validated against the PCI DSS standard.
AWS Responsibility Summary provides guidance to help AWS customers understand their responsibility in developing and operating a highly secure environment on AWS for handling payment card data.
AWS was evaluated by Coalfire, a third-party Qualified Security Assessor (QSA).
This refreshed PCI certification offers customers greater flexibility in deploying regulated workloads while reducing compliance overhead. Customers can access the PCI DSS certification through AWS Artifact. This self-service portal provides on-demand access to AWS compliance reports, streamlining audit processes.
AWS is excited to be the first cloud service provider to offer compliance reports to customers in NIST’s Open Security Controls Assessment Language (OSCAL), an open source, machine-readable (JSON) format for security information. The PCI DSS report package (which includes both the PCI DSS AOC and the AWS Responsibility Summary) in OSCAL format is now available separately in AWS Artifact, marking a milestone towards open, standards-based compliance automation. This machine-readable version of the PCI DSS report package enables workflow automation to reduce manual processing time and modernize security and compliance processes. Your use cases for this content are innovative and we want to hear about them through the contact information found in the OSCAL report package.
To learn more about our PCI programs and other compliance and security programs, see the AWS Compliance Programs page. As always, we value your feedback and questions; reach out to the AWS Compliance team through the Compliance Support page.
If you have feedback about this post, submit comments in the Comments section below. If you have questions about this post, contact AWS Support.
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