{"id":"1412aa78-a24c-4abd-83df-767dfb2c5bbe","title":"Potentially Suspicious WebDAV LNK Execution","description":"Detects possible execution via LNK file accessed on a WebDAV server.","author":"Micah Babinski","status":"test","level":"medium","date":"2023-08-21","modified":"","tags":["attack.execution","attack.t1059.001","attack.t1204"],"technique_ids":["T1059.001","T1204"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://www.trellix.com/en-us/about/newsroom/stories/research/beyond-file-search-a-novel-method.html","https://micahbabinski.medium.com/search-ms-webdav-and-chill-99c5b23ac462"],"source_path":"rules/windows/process_creation/proc_creation_win_webdav_lnk_execution.yml","source_sha256":"e97f446f4d8a7cfd3f4062c929e8e9db528618004c479f4eb6bca3cc54848473","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_webdav_lnk_execution.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Potentially Suspicious WebDAV LNK Execution\nid: 1412aa78-a24c-4abd-83df-767dfb2c5bbe\nrelated:\n    - id: f0507c0f-a3a2-40f5-acc6-7f543c334993\n      type: similar\nstatus: test\ndescription: Detects possible execution via LNK file accessed on a WebDAV server.\nreferences:\n    - https://www.trellix.com/en-us/about/newsroom/stories/research/beyond-file-search-a-novel-method.html\n    - https://micahbabinski.medium.com/search-ms-webdav-and-chill-99c5b23ac462\nauthor: Micah Babinski\ndate: 2023-08-21\ntags:\n    - attack.execution\n    - attack.t1059.001\n    - attack.t1204\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        ParentImage|endswith: '\\explorer.exe'\n        Image|endswith:\n            - '\\cmd.exe'\n            - '\\cscript.exe'\n            - '\\mshta.exe'\n            - '\\powershell.exe'\n            - '\\pwsh.exe'\n            - '\\wscript.exe'\n        CommandLine|contains: '\\DavWWWRoot\\'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1059.001","id":"T1059.001","name":"PowerShell","page":"techniques/enterprise/T1059.001/"},{"key":"enterprise/T1204","id":"T1204","name":"User Execution","page":"techniques/enterprise/T1204/"}],"data_path":"data/detection-rules/1412aa78-a24c-4abd-83df-767dfb2c5bbe.json","kind":"sigma"}