{"id":"aaf46cdc-934e-4284-b329-34aa701e3771","title":"Uncommon Child Process Of BgInfo.EXE","description":"Detects uncommon child processes of \"BgInfo.exe\" which could be a sign of potential abuse of the binary to proxy execution via external VBScript","author":"Nasreddine Bencherchali (Nextron Systems), Beyu Denis, oscd.community","status":"test","level":"medium","date":"2019-10-26","modified":"2023-08-16","tags":["attack.execution","attack.stealth","attack.t1059.005","attack.t1218","attack.t1202"],"technique_ids":["T1059.005","T1202","T1218"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unknown"],"references":["https://lolbas-project.github.io/lolbas/OtherMSBinaries/Bginfo/","https://oddvar.moe/2017/05/18/bypassing-application-whitelisting-with-bginfo/"],"source_path":"rules/windows/process_creation/proc_creation_win_bginfo_uncommon_child_process.yml","source_sha256":"be051512fe532b313a527aa34aa5a67c0838e91115235e22e3ba90ef391d5501","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_bginfo_uncommon_child_process.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Uncommon Child Process Of BgInfo.EXE\nid: aaf46cdc-934e-4284-b329-34aa701e3771\nrelated:\n    - id: 811f459f-9231-45d4-959a-0266c6311987\n      type: similar\nstatus: test\ndescription: Detects uncommon child processes of \"BgInfo.exe\" which could be a sign of potential abuse of the binary to proxy execution via external VBScript\nreferences:\n    - https://lolbas-project.github.io/lolbas/OtherMSBinaries/Bginfo/\n    - https://oddvar.moe/2017/05/18/bypassing-application-whitelisting-with-bginfo/\nauthor: Nasreddine Bencherchali (Nextron Systems), Beyu Denis, oscd.community\ndate: 2019-10-26\nmodified: 2023-08-16\ntags:\n    - attack.execution\n    - attack.stealth\n    - attack.t1059.005\n    - attack.t1218\n    - attack.t1202\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        ParentImage|endswith:\n            - '\\bginfo.exe'\n            - '\\bginfo64.exe'\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1059.005","id":"T1059.005","name":"Visual Basic","page":"techniques/enterprise/T1059.005/"},{"key":"enterprise/T1202","id":"T1202","name":"Indirect Command Execution","page":"techniques/enterprise/T1202/"},{"key":"enterprise/T1218","id":"T1218","name":"System Binary Proxy Execution","page":"techniques/enterprise/T1218/"}],"data_path":"data/detection-rules/aaf46cdc-934e-4284-b329-34aa701e3771.json","kind":"sigma"}