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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

21 intel reports

Scattered Spider and related affiliates use vishing to trick employees into enrolling adversary-controlled passkeys, enabling mass data exfiltration from Microsoft 365 environments.

An unattributed threat actor used AiTM phishing and device code flows to steal M365 session tokens, replaying them to register rogue devices and wipe MFA methods across 79 organizations.

Threat actors Storm-3121 and Storm-3032 utilize passkey-themed social engineering and AiTM phishing to compromise Microsoft cloud identities for automated data exfiltration via Microsoft Graph.

Varonis Threat Labs identified TrustSink, a post-compromise technique where attackers with high privileges register rogue External Authentication Methods (EAM) in Microsoft Entra to capture plaintext passwords during legitimate MFA flows.

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