53 lines
1.2 KiB
YAML
53 lines
1.2 KiB
YAML
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title: Abused Debug Privilege by Arbitrary Parent Processes
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ruletype: Sigma
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author: Semanur Guneysu @semanurtg, oscd.community
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date: 2020/10/28
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description: Detection of unusual child processes by different system processes
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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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ParentImage:
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- '*\winlogon.exe'
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- '*\services.exe'
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- '*\lsass.exe'
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- '*\csrss.exe'
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- '*\smss.exe'
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- '*\wininit.exe'
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- '*\spoolsv.exe'
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- '*\searchindexer.exe'
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SELECTION_3:
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Image:
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- '*\powershell.exe'
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- '*\cmd.exe'
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SELECTION_4:
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User:
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- NT AUTHORITY\SYSTEM*
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- AUTORITE NT\Sys*
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SELECTION_5:
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CommandLine: '* route *'
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SELECTION_6:
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CommandLine: '* ADD *'
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condition: (SELECTION_1 and (SELECTION_2 and SELECTION_3 and SELECTION_4) and not
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(SELECTION_5 and SELECTION_6))
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falsepositives:
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- unknown
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fields:
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- ParentImage
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- Image
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- User
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- CommandLine
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id: d522eca2-2973-4391-a3e0-ef0374321dae
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level: high
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logsource:
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category: process_creation
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product: windows
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modified: 2021/11/27
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references:
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- https://image.slidesharecdn.com/kheirkhabarovoffzonefinal-181117201458/95/hunting-for-privilege-escalation-in-windows-environment-74-638.jpg
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status: test
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tags:
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- attack.privilege_escalation
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- attack.t1548
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