{"id":"de587dce-915e-4218-aac4-835ca6af6f70","title":"Potential Persistence Attempt Via Run Keys Using Reg.EXE","description":"Detects suspicious command line reg.exe tool adding key to RUN key in Registry","author":"Florian Roth (Nextron Systems), Swachchhanda Shrawan Poudel (Nextron Systems)","status":"test","level":"medium","date":"2021-06-28","modified":"2025-02-17","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://app.any.run/tasks/9c0f37bc-867a-4314-b685-e101566766d7/","https://learn.microsoft.com/en-us/windows/win32/setupapi/run-and-runonce-registry-keys","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_add_run_key.yml","source_sha256":"e9f0394f510875a5e5015feee60b00a4119dfb018284104985a582d15f86e689","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_reg_add_run_key.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Potential Persistence Attempt Via Run Keys Using Reg.EXE\nid: de587dce-915e-4218-aac4-835ca6af6f70\nstatus: test\ndescription: Detects suspicious command line reg.exe tool adding key to RUN key in Registry\nreferences:\n    - https://app.any.run/tasks/9c0f37bc-867a-4314-b685-e101566766d7/\n    - https://learn.microsoft.com/en-us/windows/win32/setupapi/run-and-runonce-registry-keys\n    - https://github.com/HackTricks-wiki/hacktricks/blob/e4c7b21b8f36c97c35b7c622732b38a189ce18f7/src/windows-hardening/windows-local-privilege-escalation/privilege-escalation-with-autorun-binaries.md\nauthor: Florian Roth (Nextron Systems), Swachchhanda Shrawan Poudel (Nextron Systems)\ndate: 2021-06-28\nmodified: 2025-02-17\ntags:\n    - attack.privilege-escalation\n    - attack.persistence\n    - attack.t1547.001\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        Image|endswith: '\\reg.exe'\n        CommandLine|contains|all:\n            - 'reg'\n            - ' add '\n        CommandLine|contains:\n            - 'Software\\Microsoft\\Windows\\CurrentVersion\\Run'\n            - '\\Software\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Run'\n            - '\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run'\n    condition: 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\nregression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_reg_add_run_key/info.yml\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/de587dce-915e-4218-aac4-835ca6af6f70.json","kind":"sigma"}