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    YiBackdoor Persistence Via Regsvr32 Run Key

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    GlassDiceBearhttps://www.dicebear.comhttps://creativecommons.org/publicdomain/zero/1.0/„Glass” (https://www.dicebear.com) by „DiceBear”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)
    Tim Peck@timpeck
    •updated Sep 24, 2025•1•0•132

    Detects the YiBackdoor persistence technique where a DLL is written to disk and subsequently configured to be executed by regsvr32.exe via a registry Run key.

    YARA-L

    Tags

    TA0003 - PersistenceT1547.001 - Registry Run Keys / Startup FolderT1218.010 - Regsvr32TA0004 - Privilege EscalationTA0005 - Defense EvasionRegistry Key ModificationFile CreationCommand ExecutionWindowsWindows SysmonWindows Eventlog SecurityYIBACKDOORPERSISTENCEREGISTRY

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