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Backdoors

MuddyViper Grimbolt WineLoader GRIMBOLT Go-based Malware BRICKSTORM Phoenix Linux Malware C# Backdoor AquaShell

Iran‑Linked Nimbus Manticore Reappears Using SEO Poisoning and New MiniFast Backdoor

Researchers say the shift to search‑engine poisoning with AI‑assisted malware increased the reach and speed of the group's espionage.

ESET Uncovers China-Linked GopherWhisper Using Slack, Discord and Outlook for Stealthy C2

Rapid7 Uncovers China-Linked Sleeper Cells in Global Telecom Networks

Dell Patches RecoverPoint Zero-Day Exploited Since 2024 by Suspected China Group

Cisco Releases Fix for AsyncOS Zero-Day Exploited on Secure Email Appliances

Iran-Aligned MuddyWater Targets Israeli Sectors With New MuddyViper Backdoor

MuddyWater Tied to MENA Government Phishing Wave, Group-IB Says

Google and Mandiant Expose BRICKSTORM Espionage With Yearlong Persistence in U.S. Firms

Bitdefender Exposes Curly COMrades’ Stealthy MucorAgent Backdoor and Unconventional .NET Persistence

Russia-Linked Hackers Deploy Advanced Malware in European Diplomatic Espionage Campaign