Sigma rule: UEFI Persistence Via Wpbbin - ProcessCreation

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-eb4e2b56bbe3, updated 2022-07-18T00:00:00.000Z.

Rule

Title
UEFI Persistence Via Wpbbin - ProcessCreation
Status
test
Level
high
Author
Nasreddine Bencherchali (Nextron Systems)
Date
2022-07-18
File
rules/windows/process_creation/proc_creation_win_wpbbin_potential_persistence.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects execution of the binary "wpbbin" which is used as part of the UEFI based persistence method described in the reference section

Log source

product
windows
category
process_creation

Detection

selection:
    Image: 'C:\Windows\System32\wpbbin.exe'
condition: selection

False positives (as the rule lists them)

  • Legitimate usage of the file by hardware manufacturer such as lenovo (Thanks @0gtweet for the tip)

Tags

  • attack.persistence
  • attack.stealth
  • attack.t1542.001

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_wpbbin_potential_persistence.yml

Sources and licences

  • SigmaHQ

    "UEFI Persistence Via Wpbbin - ProcessCreation" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_wpbbin_potential_persistence.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: UEFI Persistence Via Wpbbin - ProcessCreation",
entity page, dataset version ref-eb4e2b56bbe3, updated 2022-07-18T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/4abc0ec4-db5a-412f-9632-26659cddf145 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 4abc0ec4-db5a-412f-9632-26659cddf145, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.