37 lines
1.0 KiB
YAML
37 lines
1.0 KiB
YAML
title: UAC Bypass Using ComputerDefaults
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author: Christian Burkard
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date: 2021/08/31
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description: Detects the pattern of UAC Bypass using computerdefaults.exe (UACMe 59)
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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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IntegrityLevel: High
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SELECTION_3:
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IntegrityLevel: System
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SELECTION_4:
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Image: C:\Windows\System32\ComputerDefaults.exe
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SELECTION_5:
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ParentImage: '*:\Windows\System32*'
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SELECTION_6:
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ParentImage: '*:\Program Files*'
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condition: (SELECTION_1 and ((SELECTION_2 or SELECTION_3) and SELECTION_4) and not
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((SELECTION_5 or SELECTION_6)))
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falsepositives:
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- Unknown
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id: 3c05e90d-7eba-4324-9972-5d7f711a60a8
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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://github.com/hfiref0x/UACME
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.privilege_escalation
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- attack.t1548.002
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yml_filename: win_uac_bypass_computerdefaults.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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