Bitter APT Hackers Exploit WinRAR Zero-Day Via Weaponized Word Documents to Steal Sensitive Data

The Bitter APT group, also tracked as APT-Q-37 and known in China as 蔓灵花, has launched a sophisticated cyberespionage campaign targeting government agencies, military installations, and critical infrastructure across China and Pakistan. The threat actor has deployed weaponized Microsoft Office documents that exploit a previously unknown zero-day vulnerability in WinRAR archive software to install custom […]

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