Operation FlutterBridge is a malvertising campaign targeting macOS users. It distributed the new backdoor FlutterShell, built using the Flutter framework.

The post Operation FlutterBridge: macOS Malvertising Campaign Spreads New FlutterShell Backdoor appeared first on Unit 42.

Unit 42 analyzes AD CS exploitation through template misconfigurations and shadow credential misuse while offering behavioral detection for defenders.

The post Inside AD CS Escalation: Unpacking Advanced Misuse Techniques and Tools appeared first on Unit 42.

In-depth analysis of threat activity we call CL-UNK-1068. We discuss their toolset, including tunneling, reconnaissance and credential theft.

The post An Investigation Into Years of Undetected Operations Targeting High-Value Sectors appeared first on Unit 42.