Sigma Rule Library

Goofy Guineapig Backdoor Service Creation

Detects service creation persistence used by the Goofy Guineapig backdoor

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Detection logic

selection

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

Condition

selection

Raw YAML

title: Goofy Guineapig Backdoor Service Creation
id: 8c15dd74-9570-4f48-80b2-29996fd91ee6
status: test
description: Detects service creation persistence used by the Goofy Guineapig backdoor
references:
    - https://www.ncsc.gov.uk/static-assets/documents/malware-analysis-reports/goofy-guineapig/NCSC-MAR-Goofy-Guineapig.pdf
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-05-15
tags:
    - attack.persistence
    - detection.emerging-threats
logsource:
    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
falsepositives:
    - Unlikely
level: critical

False positives

  • Unlikely

References