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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242 intel reports
C2Agent is a sophisticated Go-based Windows malware that utilizes Large Language Models (LLMs) and the Model Context Protocol (MCP) to interactively drive post-exploitation activities.
The Yoba campaign utilizes SEO-poisoned GitHub repositories and fake AI desktop applications to distribute a custom loader that delivers XMRig miners via DLL sideloading.
The bonto.io campaign uses malicious Firefox extensions impersonating Phantom, Jupiter, and Bitget wallets to steal recovery phrases and private keys.
Russian threat actor APT28 compromised a NATO naval shipbuilder and other defense targets using the HOOKEDGE backdoor, a persistent SSH tunnel, and a custom reflective loader.
Unauthenticated attackers are exploiting CVE-2026-88771 in NetScaler ADC and Gateway appliances using a multi-stage log-poisoning technique to achieve remote code execution and deploy web shells.
CastleStealer and CastleLoader use browser protection bypasses and ClickFix social engineering to exfiltrate sensitive data and deploy secondary RATs like NetSupport.
Cluster CL-STA-0954 (UNC5820) exploited multiple Fortinet vulnerabilities, including CVE-2024-47575 and CVE-2025-61624, to deploy a novel memory-resident ARM64 implant named PEERSTITCH against telecommunications providers.
Russian-speaking actors NyashTeam and Kapchenka operate Salat Stealer (WEB_RAT), a Go-based MaaS targeting Windows for credential and cryptocurrency theft.
Adversaries are actively exploiting multiple zero-day vulnerabilities in Citrix NetScaler ADC and Gateway to deploy persistence mechanisms including PHP-based webshells and remote management tools.
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.