{"id":"98c5aeef-32d5-492f-b174-64a691896d25","title":"Service Security Descriptor Tampering Via Sc.EXE","description":"Detection of sc.exe utility adding a new service with special permission which hides that service.","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"medium","date":"2023-02-28","modified":"","tags":["attack.persistence","attack.privilege-escalation","attack.execution","attack.stealth","attack.t1574.011"],"technique_ids":["T1574.011"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://blog.talosintelligence.com/2021/10/threat-hunting-in-large-datasets-by.html","https://www.sans.org/blog/red-team-tactics-hiding-windows-services/","https://twitter.com/Alh4zr3d/status/1580925761996828672","https://twitter.com/0gtweet/status/1628720819537936386","https://itconnect.uw.edu/tools-services-support/it-systems-infrastructure/msinf/other-help/understanding-sddl-syntax/"],"source_path":"rules/windows/process_creation/proc_creation_win_sc_sdset_modification.yml","source_sha256":"2af0e4c033e16290c04c66c5d59395f80e8d049aca4265bbf67119a22ff18173","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_sc_sdset_modification.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Service Security Descriptor Tampering Via Sc.EXE\nid: 98c5aeef-32d5-492f-b174-64a691896d25\nrelated:\n    - id: 99cf1e02-00fb-4c0d-8375-563f978dfd37 # Deny Service Access\n      type: similar\n    - id: a537cfc3-4297-4789-92b5-345bfd845ad0 # Specific Technique\n      type: similar\nstatus: test\ndescription: Detection of sc.exe utility adding a new service with special permission which hides that service.\nreferences:\n    - https://blog.talosintelligence.com/2021/10/threat-hunting-in-large-datasets-by.html\n    - https://www.sans.org/blog/red-team-tactics-hiding-windows-services/\n    - https://twitter.com/Alh4zr3d/status/1580925761996828672\n    - https://twitter.com/0gtweet/status/1628720819537936386\n    - https://itconnect.uw.edu/tools-services-support/it-systems-infrastructure/msinf/other-help/understanding-sddl-syntax/\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2023-02-28\ntags:\n    - attack.persistence\n    - attack.privilege-escalation\n    - attack.execution\n    - attack.stealth\n    - attack.t1574.011\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\sc.exe'\n        - OriginalFileName: 'sc.exe'\n    selection_cli:\n        CommandLine|contains: 'sdset'\n    condition: all of selection_*\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1574.011","id":"T1574.011","name":"Services Registry Permissions Weakness","page":"techniques/enterprise/T1574.011/"}],"data_path":"data/detection-rules/98c5aeef-32d5-492f-b174-64a691896d25.json","kind":"sigma"}