44 lines
1.3 KiB
YAML
44 lines
1.3 KiB
YAML
title: Suspicious Service DACL Modification
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author: Jonhnathan Ribeiro, oscd.community
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date: 2020/10/16
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description: Detects suspicious DACL modifications that can be used to hide services
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or make them unstopable
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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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Image: '*\sc.exe'
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SELECTION_3:
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CommandLine: '*sdset*'
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SELECTION_4:
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CommandLine: '*D;;*'
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SELECTION_5:
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CommandLine: '*;;;IU*'
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SELECTION_6:
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CommandLine: '*;;;SU*'
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SELECTION_7:
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CommandLine: '*;;;BA*'
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SELECTION_8:
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CommandLine: '*;;;SY*'
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SELECTION_9:
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CommandLine: '*;;;WD*'
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condition: (SELECTION_1 and (SELECTION_2) and SELECTION_3 and SELECTION_4 and
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(SELECTION_5 or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9))
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falsepositives:
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- Unknown
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id: 99cf1e02-00fb-4c0d-8375-563f978dfd37
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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://www.sans.org/blog/red-team-tactics-hiding-windows-services/
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- https://docs.microsoft.com/pt-br/windows/win32/secauthz/sid-strings
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status: experimental
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tags:
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- attack.persistence
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- attack.t1543.003
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yml_filename: win_susp_service_dacl_modification.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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