How APT24 Uses BadAudio Malware in Multi-Vector Espionage
BadAudio gives APT24 a stealthy first-stage foothold in a long-running espionage campaign that focuses on Windows environments. The C++ downloader hides behind DLL search-order hijacking, control-flow obfuscation and AES-encrypted C2, while the group rotates between watering-hole attacks, supply-chain compromises and targeted spearphishing to deliver it. This article breaks down BadAudio’s loader behavior, APT24’s evolving tradecraft and the defensive steps that help security teams detect, contain and disrupt this PRC-nexus operation.