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328762ed67
Ducplicate names again for https://github.com/Neo23x0/sigma/search?q=Suspicious+Encoded+PowerShell+Command+Line&unscoped_q=Suspicious+Encoded+PowerShell+Command+Line . This brakes elastalert integration since each rule needs to have its own unique name.
30 lines
776 B
YAML
30 lines
776 B
YAML
action: global
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title: Suspicious XOR Encoded PowerShell Command Line
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description: Detects suspicious powershell process which includes bxor command, alternatvide obfuscation method to b64 encoded commands.
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status: experimental
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author: Sami Ruohonen
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date: 2018/09/05
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detection:
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selection:
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CommandLine:
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- '* -bxor*'
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condition: selection
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falsepositives:
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- unknown
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level: medium
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---
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logsource:
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product: windows
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service: sysmon
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detection:
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selection:
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EventID: 1
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---
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logsource:
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product: windows
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service: security
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definition: 'Requirements: Audit Policy : Detailed Tracking > Audit Process creation, Group Policy : Administrative Templates\System\Audit Process Creation'
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detection:
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selection:
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EventID: 4688
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