{"id":"727454c0-d851-48b0-8b89-385611ab0704","title":"Lolbin Unregmp2.exe Use As Proxy","description":"Detect usage of the \"unregmp2.exe\" binary as a proxy to launch a custom version of \"wmpnscfg.exe\"","author":"frack113","status":"test","level":"medium","date":"2022-12-29","modified":"2024-06-04","tags":["attack.stealth","attack.t1218"],"technique_ids":["T1218"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://lolbas-project.github.io/lolbas/Binaries/Unregmp2/"],"source_path":"rules/windows/process_creation/proc_creation_win_lolbin_unregmp2.yml","source_sha256":"a149690473bd53dd9dc720df07b44edb0daac6f0113387ab2381b107f8740a6d","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_lolbin_unregmp2.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Lolbin Unregmp2.exe Use As Proxy\nid: 727454c0-d851-48b0-8b89-385611ab0704\nstatus: test\ndescription: Detect usage of the \"unregmp2.exe\" binary as a proxy to launch a custom version of \"wmpnscfg.exe\"\nreferences:\n    - https://lolbas-project.github.io/lolbas/Binaries/Unregmp2/\nauthor: frack113\ndate: 2022-12-29\nmodified: 2024-06-04\ntags:\n    - attack.stealth\n    - attack.t1218\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - Image|endswith: '\\unregmp2.exe'\n        - OriginalFileName: 'unregmp2.exe'\n    selection_cmd:\n        CommandLine|contains|windash: ' /HideWMP'\n    condition: all of selection_*\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1218","id":"T1218","name":"System Binary Proxy Execution","page":"techniques/enterprise/T1218/"}],"data_path":"data/detection-rules/727454c0-d851-48b0-8b89-385611ab0704.json","kind":"sigma"}