Silver Fox APT Hackers Leveraging Vulnerable driver to Attack Windows 10 and 11 Systems by Evading EDR/AV

Emerging in mid-2025, a sophisticated campaign attributed to the Silver Fox APT has begun exploiting a previously unreported vulnerable driver to compromise modern Windows environments. This campaign leverages the WatchDog Antimalware driver (amsdk.sys, version 1.0.600), a Microsoft-signed component built on the Zemana Anti-Malware SDK. By abusing its arbitrary process termination capability, threat actors bypass endpoint […]

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