{"id":"ed825c86-c009-4014-b413-b76003e33d35","title":"Windows Binary Executed From WSL","description":"Detects the execution of Windows binaries from within a WSL instance.\nThis could be used to masquerade parent-child relationships\n","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"medium","date":"2023-02-14","modified":"","tags":["attack.execution","attack.stealth","attack.t1202"],"technique_ids":["T1202"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["Internal Research"],"source_path":"rules/windows/process_creation/proc_creation_win_wsl_windows_binaries_execution.yml","source_sha256":"6a1a3040a85d82ddeb0561f3c8f9886dcf0759d97fff39c3307ce74f2ec43655","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_wsl_windows_binaries_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: Windows Binary Executed From WSL\nid: ed825c86-c009-4014-b413-b76003e33d35\nstatus: test\ndescription: |\n    Detects the execution of Windows binaries from within a WSL instance.\n    This could be used to masquerade parent-child relationships\nreferences:\n    - Internal Research\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2023-02-14\ntags:\n    - attack.execution\n    - attack.stealth\n    - attack.t1202\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        Image|re: '[a-zA-Z]:\\\\'\n        CurrentDirectory|contains: '\\\\\\\\wsl.localhost' # Note: programs not supporting UNC paths (example: cmd.exe). Will default to another location\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1202","id":"T1202","name":"Indirect Command Execution","page":"techniques/enterprise/T1202/"}],"data_path":"data/detection-rules/ed825c86-c009-4014-b413-b76003e33d35.json","kind":"sigma"}