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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@timpeck16 hours ago

16 intel reports

The ROMULUS delivery platform utilizes ClickFix lures and social engineering to distribute diverse payloads including LegionLoader, Atlas RAT, and RomulusLoader targeting global organizations.

An unidentified threat actor utilizes renamed Python interpreters and custom ._pth files to execute malicious code without command-line arguments, eventually attempting to deploy ScreenConnect via a UAC bypass.

Unattributed threat actors are leveraging legitimate MSP360 RMM and ConnectWise ScreenConnect installers via phishing to establish persistent remote access and deploy post-compromise tools.

The CSuite operation targets US and European organizations using sophisticated phishing lures to steal Microsoft 365 sessions and deploy legitimate RMM tools like ScreenConnect for persistent endpoint access.

An unsigned GlobalProtect-themed MSI deploys a backdoor that utilizes Cloudflare Workers for configuration and Google Sheets for C2 communication, specifically targeting victims in Myanmar.

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 SMOKE#SCREEN campaign utilizes diverse social engineering lures and aggressive security-dismantling toolsets to deploy persistent ScreenConnect RMM agents on Windows and macOS systems.

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