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Local AI model modifies Windows credential dumper to evade EDR

A local uncensored AI model altered a Windows credential dumper to bypass detection by two EDR products in lab tests.

๐Ÿ•ต๏ธ RESEARCH & DEEP DIVES

  • Local uncensored AI model modifies Windows credential dumper to evade two EDR products
    A locally hosted uncensored AI model modified a Windows LSASS credential dumper until it bypassed detection by two EDR products in a lab test.
    • Applies to Windows environments: the research targets LSASS memory dumping (MITRE ATT&CK T1003.001), used to harvest credentials for lateral movement after admin access.
    • Project Black researcher Eddie Zhang generated the dumper with DeepSeek v4 Flash, but it triggered EDR detection and the model invoked a safety guardrail when asked for stealth.
    • An uncensored community-modified Qwen 3.8 27B model running locally on two Nvidia RTX 4090s produced a build with zero detections on both lab EDR platforms.
    • Qwen's modifications: altered process-spawning behavior, reduced LSASS access masks, randomized delays in minidump construction, changed output filename/path, and scrubbed embedded strings.
    • Claude Opus 5, Opus 4.8, and Sonnet 5 refused the request; the experiment shows local guardrail-free models can iteratively rework offensive code offline.
    • Scope is limited: the EDR vendors were unnamed and success against two lab products does not prove universal bypass capability.
    Sources ๐Ÿ“Ž Coverage: cybersecuritynews.com ยท ๐Ÿ‘ via Cyber Security News, cryptika.com (discovered)

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