frack113
46 lines
1.0 KiB
YAML
46 lines
1.0 KiB
YAML
action: global
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title: Invoke-Obfuscation Via Stdin
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description: Detects Obfuscated Powershell via Stdin in Scripts
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status: experimental
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author: Nikita Nazarov, oscd.community
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date: 2020/10/12
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modified: 2021/08/09
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references:
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- https://github.com/Neo23x0/sigma/issues/1009 #(Task28)
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tags:
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- attack.defense_evasion
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- attack.t1027
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- attack.execution
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- attack.t1059.001
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falsepositives:
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- Unknown
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level: high
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detection:
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selection:
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ImagePath|re: '(?i).*(set).*&&\s?set.*(environment|invoke|\${?input).*&&.*"'
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condition: selection and selection_eventid
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---
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id: 487c7524-f892-4054-b263-8a0ace63fc25
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logsource:
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product: windows
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service: system
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detection:
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selection_eventid:
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EventID: 7045
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---
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id: 82b66143-53ee-4369-ab02-de2c70cd6352
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logsource:
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product: windows
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category: driver_load
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detection:
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selection_eventid:
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EventID: 6
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---
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id: 80b708f3-d034-40e4-a6c8-d23b7a7db3d1
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logsource:
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product: windows
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service: security
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detection:
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selection_eventid:
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EventID: 4697
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