Intel Exchange

Browse public community intelligence reports, source analysis, and threat research.

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.

avatar
Tim Peck@timpeck17 hours ago

15 intel reports

Earth Sirrush (UAC-0099) utilizes evolving .NET malware, steganographic delivery, and trojanized applications to target Ukrainian government and logistics sectors for long-term espionage.

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.

ACR Stealer (formerly Amatera Stealer) employs ClickFix social engineering, WebDAV delivery, and steganography to steal browser credentials and sensitive documents from Windows and macOS environments.

Russian-speaking threat actor UAT-11795 is utilizing ClickFix lures and trojanized software to deploy novel Python-based Starland RAT and PowerShell-based WLDR agent for cryptocurrency theft.

Rapid Brigantine and other cybercrime clusters are utilizing ClickFix social engineering to deploy modular loaders and backdoors including Potemkin, RMMProject, BabaDeda, and Lorem Ipsum.

Financially motivated actors like Vanilla Tempest are leveraging ClickFix social engineering to deliver modular loaders including BabaDeda, Lorem Ipsum, and Potemkin, ultimately deploying ransomware like Rhysida.

Page 1 of 2