SigmaHQ/rules/windows/powershell/powershell_suspicious_invocation_generic.yml

title: Suspicious PowerShell Invocations - Generic
id: 3d304fda-78aa-43ed-975c-d740798a49c1
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: 2020/08/24
logsource:
    product: windows
    service: powershell
detection:
    encoded:
        - ' -enc '
        - ' -EncodedCommand '
    hidden:
        - ' -w hidden '
        - ' -window hidden '
        - ' -windowstyle hidden '
    noninteractive:
        - ' -noni '
        - ' -noninteractive '
    condition: all of them
falsepositives:
    - Penetration tests
    - Very special / sneaky PowerShell scripts
level: high