{"id":"05b2aa93-1210-42c8-8d9a-2fcc13b284f5","title":"Service Registry Key Deleted Via Reg.EXE","description":"Detects execution of \"reg.exe\" commands with the \"delete\" flag on services registry key. Often used by attacker to remove AV software services","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2022-08-01","modified":"2023-02-04","tags":["attack.defense-impairment","attack.t1685"],"technique_ids":["T1685"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unlikely"],"references":["https://www.virustotal.com/gui/file/2bcd5702a7565952c44075ac6fb946c7780526640d1264f692c7664c02c68465"],"source_path":"rules/windows/process_creation/proc_creation_win_reg_delete_services.yml","source_sha256":"3870f69519e3ef090c9012934c538979d0b569de52ec34a2ff0951eef136e148","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_reg_delete_services.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 Registry Key Deleted Via Reg.EXE\nid: 05b2aa93-1210-42c8-8d9a-2fcc13b284f5\nstatus: test\ndescription: Detects execution of \"reg.exe\" commands with the \"delete\" flag on services registry key. Often used by attacker to remove AV software services\nreferences:\n    - https://www.virustotal.com/gui/file/2bcd5702a7565952c44075ac6fb946c7780526640d1264f692c7664c02c68465\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-08-01\nmodified: 2023-02-04\ntags:\n    - attack.defense-impairment\n    - attack.t1685\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: 'reg.exe'\n        - OriginalFileName: 'reg.exe'\n    selection_delete:\n        CommandLine|contains: ' delete '\n    selection_key:\n        # Add specific services if you would like the rule to be more specific\n        CommandLine|contains: '\\SYSTEM\\CurrentControlSet\\services\\'\n    condition: all of selection_*\nfalsepositives:\n    - Unlikely\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1685","id":"T1685","name":"Disable or Modify Tools","page":"techniques/enterprise/T1685/"}],"data_path":"data/detection-rules/05b2aa93-1210-42c8-8d9a-2fcc13b284f5.json","kind":"sigma"}