title: UEFI Persistence Via Wpbbin - FileCreation
id: e94b9ddc-eec5-4bb8-8a58-b9dc5f4e185f
status: test
description: Detects creation of a file named "wpbbin" in the "%systemroot%\system32\" directory. Which could be indicative of UEFI based persistence method
references:
- https://grzegorztworek.medium.com/using-uefi-to-inject-executable-files-into-bitlocker-protected-drives-8ff4ca59c94c
- https://persistence-info.github.io/Data/wpbbin.html
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-07-18
tags:
- attack.persistence
- attack.stealth
- attack.t1542.001
logsource:
product: windows
category: file_event
detection:
selection:
TargetFilename: 'C:\Windows\System32\wpbbin.exe'
condition: selection
falsepositives:
- Legitimate usage of the file by hardware manufacturer such as lenovo (Thanks @0gtweet for the tip)
level: high