SigmaHQ/rules/windows/process_creation/sysmon_abusing_debug_privilege.yml
2020-10-28 20:11:29 +03:00

45 lines
1.3 KiB
YAML

title: Abused Debug Privilege by Arbitrary Parent Processes
id: d522eca2-2973-4391-a3e0-ef0374321dae
status: experimental
description: Detection of unusual child processes by different system processes
references:
- https://image.slidesharecdn.com/kheirkhabarovoffzonefinal-181117201458/95/hunting-for-privilege-escalation-in-windows-environment-74-638.jpg
date: 2020/10/28
tags:
- attack.privilege_escalation
- attack.t1548
author: 'oscd.community,Semanur Guneysu @semanurtg'
logsource:
product: windows
category: process_creation
detection:
selection1:
ParentImage|endswith:
- '\winlogon.exe'
- '\services.exe'
- '\lsass.exe'
- '\csrss.exe'
- '\smss.exe'
- '\wininit.exe'
- '\spoolsv.exe'
- '\searchindexer.exe'
selection2:
Image|endswith:
- '\powershell.exe'
- '\cmd.exe'
selection3:
User: 'NT AUTHORITY\SYSTEM' #NT AUTHORITY\SYSTEM same result with NT AUTHORITY\\SYSTEM
filter:
CommandLine|contains|all:
- ' route '
- ' ADD '
condition: selection1 and selection2 and selection3 and not filter
fields:
- ParentImage
- Image
- User
- CommandLine
falsepositives:
- unknown
level: high