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    SMB1 Protocol Re-enabled

    avatar
    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/)
    Elgonad .@elgonad
    •updated Apr 27, 2026•2•0•131

    Detects the use of the Enable-WindowsOptionalFeature cmdlet to reactivate the deprecated and vulnerable SMB1Protocol. Attackers use this to facilitate lateral movement to legacy systems.

    CQL

    Tags

    TA0005 - Defense EvasionTA0008 - Lateral MovementT1059 - Command and Scripting InterpreterTA0002 - ExecutionCommand ExecutionPowershell Script ExecutionWindows

    Found in

    • The Gentlemen Ransomware-as-a-Service and SystemBC OperationsLast updated Apr 20, 2026

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