61 lines
1.8 KiB
YAML
61 lines
1.8 KiB
YAML
title: Abused Debug Privilege by Arbitrary Parent Processes
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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_10:
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Image: '*\powershell.exe'
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SELECTION_11:
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Image: '*\cmd.exe'
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SELECTION_12:
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User: NT AUTHORITY\SYSTEM*
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SELECTION_13:
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User: AUTORITE NT\Sys*
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SELECTION_14:
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CommandLine: '* route *'
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SELECTION_15:
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CommandLine: '* ADD *'
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SELECTION_2:
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ParentImage: '*\winlogon.exe'
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SELECTION_3:
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ParentImage: '*\services.exe'
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SELECTION_4:
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ParentImage: '*\lsass.exe'
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SELECTION_5:
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ParentImage: '*\csrss.exe'
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SELECTION_6:
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ParentImage: '*\smss.exe'
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SELECTION_7:
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ParentImage: '*\wininit.exe'
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SELECTION_8:
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ParentImage: '*\spoolsv.exe'
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SELECTION_9:
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ParentImage: '*\searchindexer.exe'
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condition: (SELECTION_1 and ((SELECTION_2 or SELECTION_3 or SELECTION_4 or SELECTION_5
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or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9) and (SELECTION_10
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or SELECTION_11) and (SELECTION_12 or SELECTION_13)) and not (SELECTION_14
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and SELECTION_15))
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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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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: experimental
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tags:
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- attack.privilege_escalation
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- attack.t1548
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yml_filename: sysmon_abusing_debug_privilege.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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