Intel Exchange

Browse public community intelligence reports, source analysis, and threat research.

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.

avatar
Tim Peck@timpeck16 hours ago

242 intel reports

WinLol is a multi-stage malware toolkit featuring a Rust dropper, an in-memory downloader, and a Go-based RAT that streams victim screens via WebRTC using DLL side-loading of legitimate OneDrive binaries.

An unidentified threat actor utilizes renamed Python interpreters and custom ._pth files to execute malicious code without command-line arguments, eventually attempting to deploy ScreenConnect via a UAC bypass.

A compromised version of the Tensorlake npm package (v0.5.144) distributes the Shai-Hulud worm to steal developer credentials and crypto-wallets while utilizing Ethereum smart contracts for C2 agility.

Chinese state-linked actors Flax Typhoon and Integrity Technology Group are exploiting a suite of legacy and modern vulnerabilities, including Apache Struts RCE, targeting critical infrastructure globally.

Russia-aligned threat actor UAC-0099 has evolved its custom MATCHBOIL downloader with enhanced obfuscation, sandbox evasion, and timer-based payload delivery targeting Ukrainian sectors.

The Cl0p extortion operation has pivoted from traditional encryption-based ransomware to large-scale data theft via the exploitation of internet-facing Managed File Transfer (MFT) and enterprise software.

Earth Sirrush (UAC-0099) utilizes evolving .NET malware, steganographic delivery, and trojanized applications to target Ukrainian government and logistics sectors for long-term espionage.

Star Blizzard (suspected Russian state-linked) is conducting spearphishing campaigns against Moldovan and Ukrainian civil society using password-protected VHDX files and WebDAV-based persistence.

Page 4 of 25