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Cover image for Node2Shell: Node.js Brotli Remote Code Execution Vulnerability

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@timpeck1 day ago

275 intel reports

Threat actors are exploiting ScreenConnect to deploy a four-stage VBScript chain that propagates across active remote sessions, ultimately delivering miners and backdoors.

The WEEVILPROXY threat actor is deploying JSCeal, a compiled V8 JavaScript malware that uses stolen session cookies to bypass Google authentication and target cryptocurrency investors.

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.

Adversaries such as ShinyHunters are exploiting known vulnerabilities and unsecured remote access services to target the healthcare sector, leading to significant ransomware impacts and clinical disruptions.

Gamaredon, a Russian FSB-operated group, uses a multi-stage modular framework (GammaPhish, GammaLoad, GammaWorm, GammaSteel) to maintain persistent access and exfiltrate sensitive documents from Ukrainian government and critical infrastructure.

The suspected APT29 group (Cloaked Ursa) launched the Spring Ring campaign targeting over 150 employees with Microsoft Teams-based voice phishing to deploy RMM tools and custom PowerShell RATs.

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