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.

Browse public community intelligence reports, source analysis, and threat research.
13 intel reports
Threat actors utilized Adversary-in-the-Middle (AitM) relays to steal and replay Microsoft 365 session tokens, registering rogue devices and MFA methods for persistence.
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.
Helix extortion group uses vishing and device code phishing to compromise identities and automate bulk data exfiltration from SharePoint environments.
Threat actors are increasingly using AI-powered Phishing-as-a-Service (PhaaS) kits like the Jalisco toolkit to bypass MFA via device code phishing and OAuth token harvesting.
The Knight Office phishing kit uses Adversary-in-the-Middle (AiTM) techniques and device code phishing to bypass MFA and hijack Microsoft 365 session tokens.
Attackers are abusing the OAuth 2.0 device authorization grant to trick users into authenticating malicious sessions on legitimate Microsoft sign-in pages, bypassing MFA.
The DEBULL PhaaS framework leverages Microsoft device-code phishing and the GraphSpy post-exploitation tool to compromise Microsoft 365 tenants using Storm-2372-style tradecraft.
The O-UNC-066 threat actor is targeting Microsoft 365 users through vishing and real-time phishing panels to hijack Entra passkey enrollment for data extortion.
The Storm-2372 threat actor and security researchers bypass Microsoft Entra ID Conditional Access by registering phantom devices and spoofing Intune compliance claims.
The Storm-1747 threat actor uses the Tycoon 2FA AiTM phishing kit to bypass multi-factor authentication and maintain persistence in Microsoft 365 and Google Workspace environments.