Paper Werewolf Exploiting WinRAR Zero‑Day Vulnerability to Deliver Malware

Cybersecurity researchers have uncovered a sophisticated campaign by the Paper Werewolf threat actor group, also known as GOFFEE, targeting Russian organizations through the exploitation of critical vulnerabilities in WinRAR archiving software. The campaign, active since July 2025, demonstrates the group’s advanced capabilities in leveraging both known and previously undiscovered security flaws to establish persistent access […]

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