Suspicious Clear PowerShell History - PowerShell Module (via ps_module)

title: Suspicious Clear PowerShell History - PowerShell Module (via ps_module)
id: a6bd37ad-721e-54d3-8852-8df42dc75c21
status: stable
description: This rule detects keywords that could indicate clearing PowerShell history
references:
    - https://attack.mitre.org/techniques/T1070/003/
    - https://gist.github.com/hook-s3c/7363a856c3cdbadeb71085147f042c1a
author: Huntrule Team
date: 2026-03-09
tags:
    - attack.stealth
    - attack.t1070.003
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_1a_payload:
        Payload|contains:
            - 'del'
            - 'Remove-Item'
            - 'rm'
    selection_1b_payload:
        Payload|contains: '(Get-PSReadlineOption).HistorySavePath'
    selection_payload_2:
        Payload|contains|all:
            - 'Set-PSReadlineOption'
            - '–HistorySaveStyle'
            - 'SaveNothing'
    selection_payload_3:
        Payload|contains|all:
            - 'Set-PSReadlineOption'
            - '-HistorySaveStyle'
            - 'SaveNothing'
    condition: 1 of selection_payload_* or all of selection_1*
falsepositives:
    - Unknown
level: medium