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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

59 intel reports

REVSTEALER is a comprehensive Windows infostealer using Polygon smart contracts for resilient C2 infrastructure and delivering specialized modules for crypto-mining and reverse proxying.

Russian-linked threat actor UAT-10820 utilizes ClearFake infection chains and WebDAV-hosted DLLs to deploy Amatera stealer and follow-on payloads like ZigCryptoStealer and NetSupport Manager.

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.

Threat actors associated with the Beamglea campaign are abusing the npm registry and unpkg mirrors to host malicious HTML files that simulate Cloudflare CAPTCHA pages to distribute ClickFix phishing malware.

ChainDrop, a descendant of the Shai-Hulud malware family, is a self-propagating npm worm targeting developer workstations and CI/CD pipelines to harvest cloud, registry, and AI tool credentials.

TWINLOOT is a sophisticated Python implant utilizing SharePoint for tasking, Teams TURN relays for SOCKS5 tunneling, and headless Edge for stealthy Microsoft Graph API transport.

Threat actors are abusing FTP banners as Dead Drop Resolvers (DDRs) to deliver novel RATs, E4del and PINHOLE, using legitimate services like Pinterest and SurveyMonkey for configuration retrieval.

The Offside Wallet Theft Factory campaign utilizes 77 malicious Firefox extensions to steal cryptocurrency secrets and credentials by masquerading as Web3 tools and sports-score utilities.

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