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Node2Shell: Node.js Brotli Remote Code Execution Vulnerability

A high-severity out-of-bounds write vulnerability in the Node.js Brotli decoder (Node2Shell) allows remote code execution when processing malformed compressed data.

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Tim Peck@timpeck20 hours ago

32 intel reports

Akira ransomware affiliates utilize RDP for initial access, ProcDump for credential theft, and GOST tunnels for persistence before deploying Rclone for exfiltration and encrypting data.

Ransomware groups including CHAOS, Medusa, and Gunra are increasingly targeting radiology departments and healthcare providers using double-extortion and extortion-only tactics.

The Go-based ClosedQuorum malware utilizes multiple commercial AI models to autonomously select post-compromise actions, including credential dumping and process injection, without human operator intervention.

Storm-2570 is a versatile ransomware affiliate utilizing consistent post-compromise tools like MeshAgent, ntdsutil, and s5cmd to deploy multiple ransomware families including Qilin and DragonForce.

Russian-speaking threat actors are exploiting a heap-based buffer overflow (CVE-2025-25249) in FortiGate devices to deploy PivotC2, an AI-assisted Node.js RAT for network tunneling and credential theft.

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