Sigma rule: Goofy Guineapig Backdoor Service Creation

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-308ddbe5cc1e, updated 2023-05-15T00:00:00.000Z.

Rule

Title
Goofy Guineapig Backdoor Service Creation
Status
test
Level
critical
Author
Nasreddine Bencherchali (Nextron Systems)
Date
2023-05-15
File
rules-emerging-threats/2021/Malware/Goofy-Guineapig/win_system_malware_goofy_guineapig_service_persistence.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects service creation persistence used by the Goofy Guineapig backdoor

Log source

product
windows
service
system

Detection

selection:
    Provider_Name: 'Service Control Manager'
    EventID: 7045
    ServiceName: 'GoogleUpdate'
    ImagePath|contains|all:
        - 'rundll32'
        - 'FileProtocolHandler'
        - '\ProgramData\GoogleUpdate\GoogleUpdate.exe'
condition: selection

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.persistence
  • detection.emerging-threats

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-emerging-threats/2021/Malware/Goofy-Guineapig/win_system_malware_goofy_guineapig_service_persistence.yml

Sources and licences

  • SigmaHQ

    "Goofy Guineapig Backdoor Service Creation" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2021/Malware/Goofy-Guineapig/win_system_malware_goofy_guineapig_service_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: Goofy Guineapig Backdoor Service Creation",
entity page, dataset version ref-308ddbe5cc1e, updated 2023-05-15T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/8c15dd74-9570-4f48-80b2-29996fd91ee6 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 8c15dd74-9570-4f48-80b2-29996fd91ee6, 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.