31 lines
890 B
YAML
31 lines
890 B
YAML
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title: PowerShell Decompress Commands
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ruletype: Sigma
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author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
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date: 2020/05/02
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description: A General detection for specific decompress commands in PowerShell logs.
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This could be an adversary decompressing files.
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detection:
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SELECTION_1:
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Payload: '*Expand-Archive*'
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condition: SELECTION_1
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falsepositives:
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- unknown
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id: 1ddc1472-8e52-4f7d-9f11-eab14fc171f5
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level: informational
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logsource:
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category: ps_module
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definition: PowerShell Module Logging must be enabled
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product: windows
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modified: 2021/10/16
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references:
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- https://github.com/OTRF/detection-hackathon-apt29/issues/8
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- https://threathunterplaybook.com/evals/apt29/detections/4.A.3_09F29912-8E93-461E-9E89-3F06F6763383.html
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related:
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- id: 81fbdce6-ee49-485a-908d-1a728c5dcb09
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type: derived
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.t1140
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