{"id":"f50f3c09-557d-492d-81db-9064a8d4e211","title":"Suspicious Execution Of Renamed Sysinternals Tools - Registry","description":"Detects the creation of the \"accepteula\" key related to the Sysinternals tools being created from executables with the wrong name (e.g. a renamed Sysinternals tool)","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2022-08-24","modified":"2025-10-26","tags":["attack.resource-development","attack.t1588.002"],"technique_ids":["T1588.002"],"logsource":{"product":"windows","category":"registry_set"},"falsepositives":["Unlikely"],"references":["Internal Research"],"source_path":"rules/windows/registry/registry_set/registry_set_pua_sysinternals_renamed_execution_via_eula.yml","source_sha256":"2df452bed328ef8f684cde19792b651e00c28c25c14ed7b4ef83981abef5e172","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/registry/registry_set/registry_set_pua_sysinternals_renamed_execution_via_eula.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious Execution Of Renamed Sysinternals Tools - Registry\nid: f50f3c09-557d-492d-81db-9064a8d4e211\nrelated:\n    - id: 25ffa65d-76d8-4da5-a832-3f2b0136e133\n      type: derived\n    - id: 8023f872-3f1d-4301-a384-801889917ab4\n      type: similar\nstatus: test\ndescription: Detects the creation of the \"accepteula\" key related to the Sysinternals tools being created from executables with the wrong name (e.g. a renamed Sysinternals tool)\nreferences:\n    - Internal Research\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-08-24\nmodified: 2025-10-26\ntags:\n    - attack.resource-development\n    - attack.t1588.002\nlogsource:\n    product: windows\n    category: registry_set\ndetection:\n    selection:\n        TargetObject|contains:\n            # Please add new values while respecting the alphabetical order\n            - '\\Active Directory Explorer'\n            - '\\Handle'\n            - '\\LiveKd'\n            - '\\ProcDump'\n            - '\\Process Explorer'\n            - '\\PsExec'\n            - '\\PsLoggedon'\n            - '\\PsLoglist'\n            - '\\PsPasswd'\n            - '\\PsPing'\n            - '\\PsService'\n            - '\\SDelete'\n        TargetObject|endswith: '\\EulaAccepted'\n    filter:\n        Image|endswith:\n            # Please add new values while respecting the alphabetical order\n            - '\\ADExplorer.exe'\n            - '\\ADExplorer64.exe'\n            - '\\handle.exe'\n            - '\\handle64.exe'\n            - '\\livekd.exe'\n            - '\\livekd64.exe'\n            - '\\procdump.exe'\n            - '\\procdump64.exe'\n            - '\\procexp.exe'\n            - '\\procexp64.exe'\n            - '\\PsExec.exe'\n            - '\\PsExec64.exe'\n            - '\\PsLoggedon.exe'\n            - '\\PsLoggedon64.exe'\n            - '\\psloglist.exe'\n            - '\\psloglist64.exe'\n            - '\\pspasswd.exe'\n            - '\\pspasswd64.exe'\n            - '\\PsPing.exe'\n            - '\\PsPing64.exe'\n            - '\\PsService.exe'\n            - '\\PsService64.exe'\n            - '\\sdelete.exe'\n    condition: selection and not filter\nfalsepositives:\n    - Unlikely\nlevel: high\nregression_tests_path: regression_data/rules/windows/registry/registry_set/registry_set_pua_sysinternals_renamed_execution_via_eula/info.yml\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1588.002","id":"T1588.002","name":"Tool","page":"techniques/enterprise/T1588.002/"}],"data_path":"data/detection-rules/f50f3c09-557d-492d-81db-9064a8d4e211.json","kind":"sigma"}