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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

7 intel reports

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.

CISA red teams achieved full domain compromise and sensitive system access in two organizations, highlighting risks in cloud identity permissions and Active Directory Certificate Services (ADCS).

The ServiceNow Red Team developed Dark, an open-source Mythic C2 agent written in Crystal that features in-memory Beacon Object File (BOF) execution for macOS and Linux.

The SleeperGem campaign involves compromised RubyGems that drop a persistent backdoor and native daemon specifically targeting developer machines while evading CI/CD environments.

The ClickFix campaign has evolved to deploy PySoxy, an open-source Python SOCKS5 proxy, for redundant encrypted C2 access and persistence following initial social engineering.