{"id":"ac20ae82-8758-4f38-958e-b44a3140ca88","title":"Invoke-Obfuscation Via Use MSHTA","description":"Detects Obfuscated Powershell via use MSHTA in Scripts","author":"Nikita Nazarov, oscd.community","status":"test","level":"high","date":"2020-10-08","modified":"2022-03-08","tags":["attack.stealth","attack.t1027","attack.execution","attack.t1059.001"],"technique_ids":["T1027","T1059.001"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://github.com/SigmaHQ/sigma/issues/1009"],"source_path":"rules/windows/process_creation/proc_creation_win_hktl_invoke_obfuscation_via_use_mhsta.yml","source_sha256":"20b0b6a7209c5fd7998ff797fe119812283dc12c3fe1d81482ba56deb983f0b0","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_hktl_invoke_obfuscation_via_use_mhsta.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Invoke-Obfuscation Via Use MSHTA\nid: ac20ae82-8758-4f38-958e-b44a3140ca88\nstatus: test\ndescription: Detects Obfuscated Powershell via use MSHTA in Scripts\nreferences:\n    - https://github.com/SigmaHQ/sigma/issues/1009   # (Task31)\nauthor: Nikita Nazarov, oscd.community\ndate: 2020-10-08\nmodified: 2022-03-08\ntags:\n    - attack.stealth\n    - attack.t1027\n    - attack.execution\n    - attack.t1059.001\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        CommandLine|contains|all:\n            - 'set'\n            - '&&'\n            - 'mshta'\n            - 'vbscript:createobject'\n            - '.run'\n            - '(window.close)'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1027","id":"T1027","name":"Obfuscated Files or Information","page":"techniques/enterprise/T1027/"},{"key":"enterprise/T1059.001","id":"T1059.001","name":"PowerShell","page":"techniques/enterprise/T1059.001/"}],"data_path":"data/detection-rules/ac20ae82-8758-4f38-958e-b44a3140ca88.json","kind":"sigma"}