{"id":"46123129-1024-423e-9fae-43af4a0fa9a5","title":"File Download Via Windows Defender MpCmpRun.EXE","description":"Detects the use of Windows Defender MpCmdRun.EXE to download files","author":"Matthew Matchen","status":"test","level":"high","date":"2020-09-04","modified":"2023-11-09","tags":["attack.stealth","attack.t1218","attack.command-and-control","attack.t1105"],"technique_ids":["T1105","T1218"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://web.archive.org/web/20200903194959/https://twitter.com/djmtshepana/status/1301608169496612866","https://lolbas-project.github.io/lolbas/Binaries/MpCmdRun/"],"source_path":"rules/windows/process_creation/proc_creation_win_mpcmdrun_download_arbitrary_file.yml","source_sha256":"0678de9bf9094fbaa679603e9bd0f58be55a8caed768c7d72fff29ba7b34e083","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_mpcmdrun_download_arbitrary_file.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: File Download Via Windows Defender MpCmpRun.EXE\nid: 46123129-1024-423e-9fae-43af4a0fa9a5\nstatus: test\ndescription: Detects the use of Windows Defender MpCmdRun.EXE to download files\nreferences:\n    - https://web.archive.org/web/20200903194959/https://twitter.com/djmtshepana/status/1301608169496612866\n    - https://lolbas-project.github.io/lolbas/Binaries/MpCmdRun/\nauthor: Matthew Matchen\ndate: 2020-09-04\nmodified: 2023-11-09\ntags:\n    - attack.stealth\n    - attack.t1218\n    - attack.command-and-control\n    - attack.t1105\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_img:\n        - OriginalFileName: 'MpCmdRun.exe'\n        - Image|endswith: '\\MpCmdRun.exe'\n        - CommandLine|contains: 'MpCmdRun.exe'\n        - Description: 'Microsoft Malware Protection Command Line Utility'\n    selection_cli:\n        CommandLine|contains|all:\n            - 'DownloadFile'\n            - 'url'\n    condition: all of selection_*\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1105","id":"T1105","name":"Ingress Tool Transfer","page":"techniques/enterprise/T1105/"},{"key":"enterprise/T1218","id":"T1218","name":"System Binary Proxy Execution","page":"techniques/enterprise/T1218/"}],"data_path":"data/detection-rules/46123129-1024-423e-9fae-43af4a0fa9a5.json","kind":"sigma"}