Cobalt-Strike
Sophos Finds an AI-Orchestrated Lab That Auto-Builds EDR-Evasion Payloads for an Active Ransomware Crew
Sophos X-Ops recovered a post-exploitation framework where AI agents read public research, mapped it to MITRE ATT&CK, and generated ~80 Rust and Go payloads tested against Sophos, CrowdStrike, and Microsoft EDR.
KnowledgeDeliver CVE-2026-5426: Shared ASP.NET Machine Key Burns Every Japanese LMS Tenant at Once
A hardcoded ASP.NET machineKey shipped in Digital Knowledge's KnowledgeDeliver LMS web.config gives any attacker who reads one tenant's config unauthenticated RCE on every other internet-facing instance. Mandiant tied active exploitation to BLUEBEAM web shells and Cobalt Strike beacons consistent with Chinese-speaking APTs.
The Gentlemen RaaS: SystemBC Proxy Botnet Reveals 1,570 Corporate Victims
A DFIR engagement against The Gentlemen RaaS exposed a SystemBC C2 server proxying over 1,570 likely corporate victims, with affiliates leaning on a 14,700-device FortiGate inventory for initial access.