{"id":"1c8774a0-44d4-4db0-91f8-e792359c70bd","title":"REGISTER_APP.VBS Proxy Execution","description":"Detects the use of a Microsoft signed script 'REGISTER_APP.VBS' to register a VSS/VDS Provider as a COM+ application.","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"medium","date":"2022-08-19","modified":"","tags":["attack.stealth","attack.t1218"],"technique_ids":["T1218"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Legitimate usage of the script. Always investigate what's being registered to confirm if it's benign"],"references":["https://twitter.com/sblmsrsn/status/1456613494783160325?s=20"],"source_path":"rules/windows/process_creation/proc_creation_win_lolbin_register_app.yml","source_sha256":"c09c82116563e58e9db0113ae8e8ad5e1cb8566a7bb4591cf6849c5ccddbb838","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_lolbin_register_app.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: REGISTER_APP.VBS Proxy Execution\nid: 1c8774a0-44d4-4db0-91f8-e792359c70bd\nstatus: test\ndescription: Detects the use of a Microsoft signed script 'REGISTER_APP.VBS' to register a VSS/VDS Provider as a COM+ application.\nreferences:\n    - https://twitter.com/sblmsrsn/status/1456613494783160325?s=20\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-08-19\ntags:\n    - attack.stealth\n    - attack.t1218\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        CommandLine|contains|all:\n            - '\\register_app.vbs'\n            - '-register'\n    condition: selection\nfalsepositives:\n    - Legitimate usage of the script. Always investigate what's being registered to confirm if it's benign\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1218","id":"T1218","name":"System Binary Proxy Execution","page":"techniques/enterprise/T1218/"}],"data_path":"data/detection-rules/1c8774a0-44d4-4db0-91f8-e792359c70bd.json","kind":"sigma"}