{"id":"7a74da6b-ea76-47db-92cc-874ad90df734","title":"Suspicious MSDT Parent Process","description":"Detects msdt.exe executed by a suspicious parent as seen in CVE-2022-30190 / Follina exploitation","author":"Nextron Systems","status":"test","level":"high","date":"2022-06-01","modified":"2023-02-06","tags":["attack.stealth","attack.t1036","attack.t1218"],"technique_ids":["T1036","T1218"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://twitter.com/nao_sec/status/1530196847679401984","https://app.any.run/tasks/713f05d2-fe78-4b9d-a744-f7c133e3fafb/"],"source_path":"rules/windows/process_creation/proc_creation_win_msdt_susp_parent.yml","source_sha256":"100478f21a9a17f85c2ae2e4a50bafee9b0688ecd3565560b7266b1d426d0d3f","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_msdt_susp_parent.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 MSDT Parent Process\nid: 7a74da6b-ea76-47db-92cc-874ad90df734\nstatus: test\ndescription: Detects msdt.exe executed by a suspicious parent as seen in CVE-2022-30190 / Follina exploitation\nreferences:\n    - https://twitter.com/nao_sec/status/1530196847679401984\n    - https://app.any.run/tasks/713f05d2-fe78-4b9d-a744-f7c133e3fafb/\nauthor: Nextron Systems\ndate: 2022-06-01\nmodified: 2023-02-06\ntags:\n    - attack.stealth\n    - attack.t1036\n    - attack.t1218\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection_parent:\n        ParentImage|endswith:\n            - '\\cmd.exe'\n            - '\\cscript.exe'\n            - '\\mshta.exe'\n            - '\\powershell.exe'\n            - '\\pwsh.exe'\n            - '\\regsvr32.exe'\n            - '\\rundll32.exe'\n            - '\\schtasks.exe'\n            - '\\wmic.exe'\n            - '\\wscript.exe'\n            - '\\wsl.exe'\n            # Note: office applications are covered by: 438025f9-5856-4663-83f7-52f878a70a50\n    selection_msdt:\n        - Image|endswith: '\\msdt.exe'\n        - OriginalFileName: 'msdt.exe'\n    condition: all of selection_*\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1036","id":"T1036","name":"Masquerading","page":"techniques/enterprise/T1036/"},{"key":"enterprise/T1218","id":"T1218","name":"System Binary Proxy Execution","page":"techniques/enterprise/T1218/"}],"data_path":"data/detection-rules/7a74da6b-ea76-47db-92cc-874ad90df734.json","kind":"sigma"}