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24 lines
717 B
YAML
24 lines
717 B
YAML
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title: Clear PowerShell History
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status: experimental
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description: Detects keywords that could indicate clearing PowerShell history
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date: 2019/10/25
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author: Ilyas Ochkov, oscd.community
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references:
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- https://gist.github.com/hook-s3c/7363a856c3cdbadeb71085147f042c1a
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tags:
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- attack.defense_evasion
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- attack.t1146
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logsource:
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product: windows
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service: powershell
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detection:
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keywords:
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- 'del (Get-PSReadlineOption).HistorySavePath'
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- 'Set-PSReadlineOption –HistorySaveStyle SaveNothing'
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- 'Remove-Item (Get-PSReadlineOption).HistorySavePath'
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- 'rm (Get-PSReadlineOption).HistorySavePath'
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condition: keywords
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falsepositives:
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- some PS-scripts
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level: medium
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