threat-intel Mustang Panda Adds Signed Windows Rootkit to CoolClient Backdoor for Stealth The HoneyMyte threat actor (aka Mustang Panda) has updated its CoolClient backdoor with a new, signed Windows kernel-mode rootkit, significantly enhancing its stealth capabilities. This rootkit, implemented through a driver named msagent.sys, allows the CoolClient backdoor to hide processes, files, registry objects, an… The Hacker News · Aug 14, 2026 High MYMOPArootkitkernel-modestealth
threat-intel Lazarus Exploits Windows Zero-Day to Gain SYSTEM Access and Deploy Backdoor The Lazarus Group, a North Korean threat actor, is exploiting a newly patched zero-day vulnerability in Microsoft Windows' AFD.sys driver to gain SYSTEM access and deploy a backdoor called Troy. They are leveraging a sop… The Hacker News · Aug 12, 2026 High CVE-2026-68820CVE-2025-49113FRGEBRzero-daysocial engineeringphishing
malware Over 400 Arch Linux packages compromised to push rootkit, infostealer Over 400 Arch Linux packages within the AUR repository have been compromised, distributing a Linux rootkit and infostealer malware designed to steal developer credentials and access tokens. The attack involved a maliciou… BleepingComputer · Jun 12, 2026 High USrootkitinfostealeraur
supply-chain IronWorm and New Miasma Worm Variant Hit npm in Supply Chain Attacks A sophisticated supply chain attack targeting the npm ecosystem has resulted in the deployment of both IronWorm, a Rust-based information stealer with self-replicating capabilities, and a new variant of the Miasma worm.… The Hacker News · Jun 5, 2026 High USsupply-chainnpmrust
threat-intel ThreatsDay Bulletin: Linux Rootkits, Router 0-Day, AI Intrusions, Scam Kits and 25 New Stories This week's threat intelligence report highlights a diverse range of security incidents and vulnerabilities, including a significant Pwn2Own competition with substantial rewards, warnings about the risks of deploying age… The Hacker News · May 21, 2026 High CVE-2026-45793CVE-2026-8631UKUSCHzero-dayai securitysocial engineering
