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AI-Powered Espionage Campaign Targets Government Linux Infrastructure

Our analysis an AI-powered espionage campaign targeting government Linux infrastructure with custom malware, web shells, and advanced credential theft.

The post AI-Powered Espionage Campaign Targets Government Linux Infrastructure appeared first on Unit 42.

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Unit 42 Uncovers PEERSTITCH, a Stealthy FortiGate Implant

We investigated an intrusion where attackers exploited CVE-2024-47575 to target 500+ firewalls and deploy PEERSTITCH, a memory-resident ARM64 malware.

The post Unit 42 Uncovers PEERSTITCH, a Stealthy FortiGate Implant appeared first on Unit 42.

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The Machine With Many Faces: Post-Exploitation Identity Misuse in SPIFFE/SPIRE

Learn how root access on a compromised K8s node allows attackers to utilize SPIFFE/SPIRE metadata to spoof and harvest co-located workload identities.

The post The Machine With Many Faces: Post-Exploitation Identity Misuse in SPIFFE/SPIRE appeared first on Unit 42.

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Untracked Nightmares: The Threats Hiding Behind Commodity Infrastructure

An investigation into how cybercriminals used YouTube gaming lures and SEO poisoning to deliver multi-payload malware to enterprise networks.

The post Untracked Nightmares: The Threats Hiding Behind Commodity Infrastructure appeared first on Unit 42.

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Attackers Expose Ongoing AI Tool Use Targeting Organizations in Latin America

Explore how attackers targeting Latin American entities use AI for data exfiltration and how basic OpSec errors allow defenders to disrupt operations.

The post Attackers Expose Ongoing AI Tool Use Targeting Organizations in Latin America appeared first on Unit 42.

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Spring Ring: An Inside Look at Voice Phishing Campaigns in Microsoft Teams

Learn how the Spring Ring campaign abuses Microsoft Teams and voice phishing to deploy malware and target enterprise domain controllers.

The post Spring Ring: An Inside Look at Voice Phishing Campaigns in Microsoft Teams appeared first on Unit 42.

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The State of AI-Enabled Malware August 2026: From Brand Abuse to Agentic Execution

Explore Unit 42 research on AI-enabled malware. Learn how existing behavioral detection and endpoint analytics stop AI-authored code before execution.

The post The State of AI-Enabled Malware August 2026: From Brand Abuse to Agentic Execution appeared first on Unit 42.

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Identity Abuse Through Trusted Communication Channels

Unit 42 details how attackers exploit enterprise collaboration tools for identity phishing and credential theft. Discover key defense strategies.

The post Identity Abuse Through Trusted Communication Channels appeared first on Unit 42.

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Kimwolf v7: An Evolution of the Kimwolf Botnet

Discover how Kimwolf v7 targets Android IoT devices with HTTP/2 DDoS fingerprinting, Ethereum ENS C2 resolution and Tor backup routing.

The post Kimwolf v7: An Evolution of the Kimwolf Botnet appeared first on Unit 42.

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The Permanent Threat: Analyzing Aeternum’s Blockchain-Based C2 Operations and Communications

Analysis of the Aeternum botnet loader, a threat leveraging Polygon blockchain smart contracts for decentralized C2 infrastructure and payload execution.

The post The Permanent Threat: Analyzing Aeternum’s Blockchain-Based C2 Operations and Communications appeared first on Unit 42.

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Almost Half of Malware Samples Communicate Direct to IP

Nearly half of C2 malware bypasses DNS by connecting directly to IP addresses. Zero trust IP enforcement secures networks against these threats.

The post Almost Half of Malware Samples Communicate Direct to IP appeared first on Unit 42.

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The Xcode Assassin Returns: A Deep Dive Into the Latest XCSSET Version

Analysis of XCSSET v40 reveals a macOS malware targeting developers via Xcode. Unit 42 used advanced pattern matching and AI to decode its logic.

The post The Xcode Assassin Returns: A Deep Dive Into the Latest XCSSET Version appeared first on Unit 42.

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TuxBot v3: Inside an IoT Botnet Framework With LLM-Assisted Development

TuxBot v3 Evolution, an IoT botnet framework built with LLMs. Read our analysis of its cross-compiled binaries, C2 architecture and bugs.

The post TuxBot v3: Inside an IoT Botnet Framework With LLM-Assisted Development appeared first on Unit 42.

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