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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@timpeck24 hours ago

243 intel reports

Suspected Silver Fox actors are targeting Latin American banking and financial sectors using fake DocuSign and NFe tax lures to deliver a custom HVNC backdoor for persistent remote control.

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.

Kimsuky leverages AI agents like opencode and HeadlessChrome to mass-produce decoy documents while evolving its GitHub-based LNK execution framework with enhanced evasion and persistence.

Suspected Silver Fox (Yinhu) threat actors are targeting Chinese-speaking users and multinational operations in China using high-fidelity spoofed vendor sites to deliver persistent implants like ValleyRAT.

The Hagaseca cluster uses THost9, a multi-stage Android RAT and ADB worm that leverages accessibility services and exposed ADB ports to infect physical and containerized Android environments.

APT28 and MuddyWater utilize ClickFix variants to compromise organizations via social engineering, deploying multi-stage payloads including steganography and Python-based reverse tunnels for internal network pivoting.

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