{"id":"634b00d5-ccc3-4a06-ae3b-0ec8444dd51b","title":"Malicious Windows Script Components File Execution by TAEF Detection","description":"Windows Test Authoring and Execution Framework (TAEF) framework allows you to run automation by executing tests files written on different languages (C, C#, Microsoft COM Scripting interfaces\nAdversaries may execute malicious code (such as WSC file with VBScript, dll and so on) directly by running te.exe\n","author":"Agro (@agro_sev) oscd.community","status":"test","level":"low","date":"2020-10-13","modified":"2021-11-27","tags":["attack.stealth","attack.t1218"],"technique_ids":["T1218"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["It's not an uncommon to use te.exe directly to execute legal TAEF tests"],"references":["https://lolbas-project.github.io/lolbas/OtherMSBinaries/Te/","https://twitter.com/pabraeken/status/993298228840992768","https://learn.microsoft.com/en-us/windows-hardware/drivers/taef/"],"source_path":"rules/windows/process_creation/proc_creation_win_susp_use_of_te_bin.yml","source_sha256":"0b60dbe6b03a527e451286b05c803a710b29aba4080a4d502271815e123fdeeb","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_susp_use_of_te_bin.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Malicious Windows Script Components File Execution by TAEF Detection\nid: 634b00d5-ccc3-4a06-ae3b-0ec8444dd51b\nstatus: test\ndescription: |\n  Windows Test Authoring and Execution Framework (TAEF) framework allows you to run automation by executing tests files written on different languages (C, C#, Microsoft COM Scripting interfaces\n  Adversaries may execute malicious code (such as WSC file with VBScript, dll and so on) directly by running te.exe\nreferences:\n    - https://lolbas-project.github.io/lolbas/OtherMSBinaries/Te/\n    - https://twitter.com/pabraeken/status/993298228840992768\n    - https://learn.microsoft.com/en-us/windows-hardware/drivers/taef/\nauthor: 'Agro (@agro_sev) oscd.community'\ndate: 2020-10-13\nmodified: 2021-11-27\ntags:\n    - attack.stealth\n    - attack.t1218\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        - Image|endswith: '\\te.exe'\n        - ParentImage|endswith: '\\te.exe'\n        - OriginalFileName: '\\te.exe'\n    condition: selection\nfalsepositives:\n    - It's not an uncommon to use te.exe directly to execute legal TAEF tests\nlevel: low\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/634b00d5-ccc3-4a06-ae3b-0ec8444dd51b.json","kind":"sigma"}
