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    All Detections

    Base64 Encoded Whoami Execution

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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/)
    Kaung Khant Ko@kaungkhantko
    •updated Jun 9, 2026•5•0•12

    Detects the execution of the 'whoami' command when its base64 encoded string ('d2hvYW1p') appears in a process command line. This pattern is often associated with web shells or other malicious activity attempting to gain system information.

    Microsoft Sentinel (KQL)

    Tags

    T1059 - Command and Scripting InterpreterT1059.003 - Windows Command ShellT1505.003 - Web ShellTA0002 - ExecutionTA0003 - PersistenceCommand ExecutionScript ExecutionProcess EventWindowsWindows Defender Atpkql

    Found in

    • China-Linked OP-512 Targets IIS with Custom ShellsLast updated Aug 13, 2026

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