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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@timpeck1 day ago

18 intel reports

Threat actors are spoofing OAuth client IDs in Microsoft Entra to perform stealthy user enumeration and credential validation without generating successful sign-in logs.

The China-linked threat actor Silver Fox (UTG-Q-1000) is utilizing SEO poisoning and counterfeit installers to deliver a modular Rust-based RAT called MODBEACON featuring gRPC-encrypted communications.

Silver Fox (UTG-Q-1000) distributors are deploying MODBEACON, a modular Rust-based implant using gRPC over HTTP/2 for C2 communication, targeting technology, education, and state-owned enterprises.

The Russia-aligned Gamaredon group significantly updated its arsenal in 2025, deploying six new PowerShell tools and leveraging legitimate cloud services and tunnels to target Ukrainian military and government institutions.

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