42 lines
1.1 KiB
YAML
42 lines
1.1 KiB
YAML
title: Renamed PowerShell
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author: Florian Roth, frack113
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date: 2019/08/22
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description: Detects the execution of a renamed PowerShell often used by attackers
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or malware
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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Description: Windows PowerShell*
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SELECTION_3:
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Description: pwsh*
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SELECTION_4:
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Company: Microsoft Corporation
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SELECTION_5:
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Image: '*\powershell.exe'
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SELECTION_6:
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Image: '*\powershell_ise.exe'
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SELECTION_7:
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Image: '*\pwsh.exe'
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condition: (SELECTION_1 and ((SELECTION_2 or SELECTION_3) and SELECTION_4) and not
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((SELECTION_5 or SELECTION_6 or SELECTION_7)))
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falsepositives:
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- Unknown
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id: d178a2d7-129a-4ba4-8ee6-d6e1fecd5d20
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level: critical
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logsource:
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category: process_creation
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product: windows
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modified: 2021/07/03
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references:
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- https://twitter.com/christophetd/status/1164506034720952320
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status: experimental
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tags:
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- car.2013-05-009
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- attack.defense_evasion
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- attack.t1036
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- attack.t1036.003
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yml_filename: win_renamed_powershell.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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