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Thu, November 20, 2025
Google Details BadAudio Malware Used by China APT24
🔐 Google Threat Intelligence Group (GTIG) disclosed a previously undocumented loader, BadAudio, used by China-linked APT24 in a multi-year espionage campaign that employed spearphishing, watering-hole infections, and supply-chain compromises. The loader is heavily obfuscated, leverages DLL search-order hijacking and control-flow flattening, and exfiltrates encrypted system data to hard-coded C2 servers. In at least one observed case it delivered an Cobalt Strike Beacon, and many samples remained undetected by most antivirus engines.