{"id":"83844185-1c5b-45bc-bcf3-b5bf3084ca5b","title":"Suspicious Encoded Scripts in a WMI Consumer","description":"Detects suspicious encoded payloads in WMI Event Consumers","author":"Florian Roth (Nextron Systems)","status":"test","level":"high","date":"2021-09-01","modified":"2022-10-09","tags":["attack.privilege-escalation","attack.execution","attack.t1047","attack.persistence","attack.t1546.003"],"technique_ids":["T1047","T1546.003"],"logsource":{"product":"windows","category":"wmi_event"},"falsepositives":["Unknown"],"references":["https://github.com/RiccardoAncarani/LiquidSnake"],"source_path":"rules/windows/wmi_event/sysmon_wmi_susp_encoded_scripts.yml","source_sha256":"1dc64f14fbb241771f0137acfe4c21cdbae3fd4204e1947720359a8bdc08fd04","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/wmi_event/sysmon_wmi_susp_encoded_scripts.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 Encoded Scripts in a WMI Consumer\nid: 83844185-1c5b-45bc-bcf3-b5bf3084ca5b\nstatus: test\ndescription: Detects suspicious encoded payloads in WMI Event Consumers\nreferences:\n    - https://github.com/RiccardoAncarani/LiquidSnake\nauthor: Florian Roth (Nextron Systems)\ndate: 2021-09-01\nmodified: 2022-10-09\ntags:\n    - attack.privilege-escalation\n    - attack.execution\n    - attack.t1047\n    - attack.persistence\n    - attack.t1546.003\nlogsource:\n    product: windows\n    category: wmi_event\ndetection:\n    selection_destination:\n        Destination|base64offset|contains:\n            - 'WriteProcessMemory'\n            - 'This program cannot be run in DOS mode'\n            - 'This program must be run under Win32'\n    condition: selection_destination\nfalsepositives:\n    - Unknown\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1047","id":"T1047","name":"Windows Management Instrumentation","page":"techniques/enterprise/T1047/"},{"key":"enterprise/T1546.003","id":"T1546.003","name":"Windows Management Instrumentation Event Subscription","page":"techniques/enterprise/T1546.003/"}],"data_path":"data/detection-rules/83844185-1c5b-45bc-bcf3-b5bf3084ca5b.json","kind":"sigma"}