31 lines
668 B
YAML
31 lines
668 B
YAML
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title: PowerShell Base64 Encoded Shellcode
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author: Florian Roth
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date: 2018/11/17
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description: Detects Base64 encoded Shellcode
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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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CommandLine: '*AAAAYInlM*'
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SELECTION_3:
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CommandLine:
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- '*OiCAAAAYInlM*'
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- '*OiJAAAAYInlM*'
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condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
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falsepositives:
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- Unknown
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id: 2d117e49-e626-4c7c-bd1f-c3c0147774c8
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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: 2020/09/01
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references:
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- https://twitter.com/cyb3rops/status/1063072865992523776
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.t1027
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ruletype: SIGMA
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