{"id":"4abc0ec4-db5a-412f-9632-26659cddf145","title":"UEFI Persistence Via Wpbbin - ProcessCreation","description":"Detects execution of the binary \"wpbbin\" which is used as part of the UEFI based persistence method described in the reference section","author":"Nasreddine Bencherchali (Nextron Systems)","status":"test","level":"high","date":"2022-07-18","modified":"","tags":["attack.persistence","attack.stealth","attack.t1542.001"],"technique_ids":["T1542.001"],"logsource":{"product":"windows","category":"process_creation"},"falsepositives":["Legitimate usage of the file by hardware manufacturer such as lenovo (Thanks @0gtweet for the tip)"],"references":["https://grzegorztworek.medium.com/using-uefi-to-inject-executable-files-into-bitlocker-protected-drives-8ff4ca59c94c","https://persistence-info.github.io/Data/wpbbin.html"],"source_path":"rules/windows/process_creation/proc_creation_win_wpbbin_potential_persistence.yml","source_sha256":"8a817e993f50538def08feb66c1b78cb9b3092680d40f7cc7053ae8b613421da","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_wpbbin_potential_persistence.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: UEFI Persistence Via Wpbbin - ProcessCreation\nid: 4abc0ec4-db5a-412f-9632-26659cddf145\nstatus: test\ndescription: Detects execution of the binary \"wpbbin\" which is used as part of the UEFI based persistence method described in the reference section\nreferences:\n    - https://grzegorztworek.medium.com/using-uefi-to-inject-executable-files-into-bitlocker-protected-drives-8ff4ca59c94c\n    - https://persistence-info.github.io/Data/wpbbin.html\nauthor: Nasreddine Bencherchali (Nextron Systems)\ndate: 2022-07-18\ntags:\n    - attack.persistence\n    - attack.stealth\n    - attack.t1542.001\nlogsource:\n    product: windows\n    category: process_creation\ndetection:\n    selection:\n        Image: 'C:\\Windows\\System32\\wpbbin.exe'\n    condition: selection\nfalsepositives:\n    - Legitimate usage of the file by hardware manufacturer such as lenovo (Thanks @0gtweet for the tip)\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1542.001","id":"T1542.001","name":"System Firmware","page":"techniques/enterprise/T1542.001/"}],"data_path":"data/detection-rules/4abc0ec4-db5a-412f-9632-26659cddf145.json","kind":"sigma"}
