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.
49 intel reports
Threat actors are concealing NetSupport Manager RAT payloads within structurally valid MP4 files using ISO-BMFF uuid boxes, delivered via PowerShell loaders from Cloudflare-fronted infrastructure.
The SleepyDuck operation leverages fake Solidity VS Code extensions and steganographic MP4 files to deliver evjawbreaker implants and ScreenConnect backdoors.
Earth Sirrush (UAC-0099) utilizes evolving .NET malware, steganographic delivery, and trojanized applications to target Ukrainian government and logistics sectors for long-term espionage.
Russian state actor Star Blizzard is conducting large-scale phishing campaigns against Ukraine-aligned organizations using a novel malware delivery technique called RedFlick to deploy the CosmicPulse backdoor.
The STAC4924 campaign, linked to GOLD VICTOR (Vice Society), uses TerminalFix lures to deploy Lorem Ipsum Loader and custom Python tunneling implants via DLL sideloading.
The MALFEX operator has conducted a two-year npm supply-chain campaign, deploying Overlord RAT and the movinlike stealer via multi-arm delivery packages, some of which remain active despite partial registry seizures.
Water Hydra (EvilNum) has transitioned from complex zero-day exploits to social engineering-driven campaigns using .PIF files and non-standard protocol handlers to deliver the DarkMe RAT.
LausivLoader utilizes a multi-stage infection chain involving JavaScript, PowerShell, and .NET, leveraging environment variable inheritance for inter-process data handoff and steganography to deliver final payloads.
SilverFox threat actors have upgraded their malware delivery chain from open access and whitelisting to a sophisticated cloud-based blacklist mechanism to evade detection by security researchers.
Kimsuky leverages AI agents like opencode and HeadlessChrome to mass-produce decoy documents while evolving its GitHub-based LNK execution framework with enhanced evasion and persistence.