powershell_suspicious_invocation_generic_in_scriptblocktext.yml

title: Suspicious PowerShell Invocations - Generic
id: ed965133-513f-41d9-a441-e38076a0798f
related:
    - id: 3d304fda-78aa-43ed-975c-d740798a49c1
      type: derived
status: experimental
description: Detects suspicious PowerShell invocation command parameters
tags:
    - attack.execution
    - attack.t1059.001
    - attack.t1086  #an old one
author: Florian Roth (rule)
date: 2017/03/12
modified: 2021/12/02
logsource:
    product: windows
    category: ps_script
detection:
    selection_encoded:
        ScriptBlockText|contains:
            - ' -enc '
            - ' -EncodedCommand '
    selection_hidden:
        ScriptBlockText|contains:
            - ' -w hidden '
            - ' -window hidden '
            - ' -windowstyle hidden '
    selection_noninteractive:
        ScriptBlockText|contains:
            - ' -noni '
            - ' -noninteractive '
    condition: all of selection*
falsepositives:
    - Penetration tests
    - Very special / sneaky PowerShell scripts
level: high