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    Base64 Encoded PowerShell Command Detected

    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/)
    SigmaHQ Detections@sigmaHQ
    •updated Jan 26, 2023•3•0•1

    Detects usage of the "FromBase64String" function in the commandline which is used to decode a base64 encoded string

    Sigma

    Tags

    TA0005 - StealthT1027 - Obfuscated Files or InformationTA0002 - ExecutionT1140 - Deobfuscate/Decode Files or InformationT1059.001 - PowerShellProcess CreationWindowsWindows SysmonWindows Eventlog Securityattack.stealthattack.t1027attack.executionattack.t1140attack.t1059.001

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