7-Zip Bug: Russian Hackers Pull Off MoTW Bypass in Epic Cyber Prank

Russian hackers exploited a 7-Zip vulnerability to bypass the Mark of the Web, unleashing malware on Ukraine. Disguised as harmless documents, these crafty attacks slipped through security and caused chaos. For users still stuck in the past with outdated 7-Zip versions, it’s time to update and dodge this digital disaster.

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Hot Take:

Looks like Russian hackers have found a new way to unzip trouble with the latest 7-Zip vulnerability. Who knew that unzipping a file could bypass the Mark of the Web feature and create such a chaotic wardrobe malfunction in cybersecurity? It’s time to patch up those digital trousers before we all end up in the malware hall of shame!

Key Points:

  • Russian hackers exploited a 7-Zip vulnerability to bypass Windows’ Mark of the Web (MotW) security feature.
  • The flaw, CVE-2025-0411, was used in SmokeLoader malware campaigns against Ukrainian entities.
  • The vulnerability allows malicious files to execute without triggering security warnings.
  • 7-Zip released a patch in November 2024, but users must manually update to stay protected.
  • Homoglyph techniques and double-archived files were used to disguise and deliver the malware.

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