{"id":"24357373-078f-44ed-9ac4-6d334a668a11","title":"Direct Autorun Keys Modification","description":"Detects direct modification of autostart extensibility point (ASEP) in registry using reg.exe.","author":"Victor Sergeev, Daniil Yugoslavskiy, oscd.community, Swachchhanda Shrawan Poudel (Nextron Systems)","status":"test","level":"medium","date":"2019-10-25","modified":"2026-01-05","tags":["attack.privilege-escalation","attack.persistence","attack.t1547.001"],"technique_ids":["T1547.001"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Legitimate software automatically (mostly, during installation) sets up autorun keys for legitimate reasons.","Legitimate administrator sets up autorun keys for legitimate reasons.","Discord"],"references":["https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1547.001/T1547.001.md","https://github.com/HackTricks-wiki/hacktricks/blob/e4c7b21b8f36c97c35b7c622732b38a189ce18f7/src/windows-hardening/windows-local-privilege-escalation/privilege-escalation-with-autorun-binaries.md"],"source_path":"rules/windows/process_creation/proc_creation_win_reg_direct_asep_registry_keys_modification.yml","source_sha256":"eefffa99d430484b3317fb4b40aa8faf52bb8f0601f3fe57a1027ebcf3589c71","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_reg_direct_asep_registry_keys_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: Direct Autorun Keys Modification\nid: 24357373-078f-44ed-9ac4-6d334a668a11\nstatus: test\ndescription: Detects direct modification of autostart extensibility point (ASEP) in registry using reg.exe.\nreferences:\n    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1547.001/T1547.001.md\n    - https://github.com/HackTricks-wiki/hacktricks/blob/e4c7b21b8f36c97c35b7c622732b38a189ce18f7/src/windows-hardening/windows-local-privilege-escalation/privilege-escalation-with-autorun-binaries.md\nauthor: Victor Sergeev, Daniil Yugoslavskiy, oscd.community, Swachchhanda Shrawan Poudel (Nextron Systems)\ndate: 2019-10-25\nmodified: 2026-01-05\ntags:\n    - attack.privilege-escalation\n    - attack.persistence\n    - attack.t1547.001\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\reg.exe'\n        - OriginalFileName: 'reg.exe'\n    selection_cli_add:\n        CommandLine|contains: 'add'     # to avoid intersection with discovery tactic rules\n    selection_cli_keys:\n        CommandLine|contains:           # need to improve this list, there are plenty of ASEP reg keys\n            - '\\software\\Microsoft\\Windows\\CurrentVersion\\Run' # Also covers the strings \"RunOnce\", \"RunOnceEx\", \"RunServices\", \"RunServicesOnce\"\n            - '\\software\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Run'\n            - '\\software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run'\n            - '\\software\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\Userinit'\n            - '\\software\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\Shell'\n            - '\\software\\Microsoft\\Windows NT\\CurrentVersion\\Windows'\n            - '\\system\\CurrentControlSet\\Control\\SafeBoot\\AlternateShell'\n    condition: all of selection_*\nfalsepositives:\n    - Legitimate software automatically (mostly, during installation) sets up autorun keys for legitimate reasons.\n    - Legitimate administrator sets up autorun keys for legitimate reasons.\n    - Discord\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1547.001","id":"T1547.001","name":"Registry Run Keys / Startup Folder","page":"techniques/enterprise/T1547.001/"}],"data_path":"data/detection-rules/24357373-078f-44ed-9ac4-6d334a668a11.json","kind":"sigma"}