{"id":"d13c43f0-f66b-4279-8b2c-5912077c1780","title":"CLR DLL Loaded Via Office Applications","description":"Detects CLR DLL being loaded by an Office Product","author":"Antonlovesdnb","status":"test","level":"medium","date":"2020-02-19","modified":"2023-03-29","tags":["attack.execution","attack.t1204.002"],"technique_ids":["T1204.002"],"logsource":{"category":"image_load","product":"windows"},"falsepositives":["Unknown"],"references":["https://medium.com/threatpunter/detecting-adversary-tradecraft-with-image-load-event-logging-and-eql-8de93338c16"],"source_path":"rules/windows/image_load/image_load_office_dotnet_clr_dll_load.yml","source_sha256":"dcc0e789f2c451250d7862b2271c381414efaa5036798ddc13fc650bf8d876b0","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/image_load/image_load_office_dotnet_clr_dll_load.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: CLR DLL Loaded Via Office Applications\nid: d13c43f0-f66b-4279-8b2c-5912077c1780\nstatus: test\ndescription: Detects CLR DLL being loaded by an Office Product\nreferences:\n    - https://medium.com/threatpunter/detecting-adversary-tradecraft-with-image-load-event-logging-and-eql-8de93338c16\nauthor: Antonlovesdnb\ndate: 2020-02-19\nmodified: 2023-03-29\ntags:\n    - attack.execution\n    - attack.t1204.002\nlogsource:\n    category: image_load\n    product: windows\ndetection:\n    selection:\n        Image|endswith:\n            - '\\excel.exe'\n            - '\\mspub.exe'\n            - '\\outlook.exe'\n            - '\\onenote.exe'\n            - '\\onenoteim.exe' # Just in case\n            - '\\powerpnt.exe'\n            - '\\winword.exe'\n        ImageLoaded|contains: '\\clr.dll'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1204.002","id":"T1204.002","name":"Malicious File","page":"techniques/enterprise/T1204.002/"}],"data_path":"data/detection-rules/d13c43f0-f66b-4279-8b2c-5912077c1780.json","kind":"sigma"}