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    PowerShell scriptblock::Create executing large integer-array decoded script

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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/)
    Ibrahim Saud@tektrix
    •updated 7 days ago•0•0•0

    Detects the execution of PowerShell commands using '[scriptblock]::Create' in conjunction with character array decoding or large negative integer-array patterns. This technique is commonly used to deobfuscate and execute obfuscated PowerShell scripts at runtime.

    Sigma

    Tags

    T1027 - Obfuscated Files or InformationT1059.001 - PowerShellT1140 - Deobfuscate/Decode Files or InformationTA0005 - StealthTA0002 - ExecutionProcess CreationPowershell Script ExecutionWindowsWindows Eventlog Powershellattack.defense_evasionattack.executionattack.t1027attack.t1059.001attack.t1140

    Found in

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