Emerging Threathightest

Goofy Guineapig Backdoor IOC

Detects malicious indicators seen used by the Goofy Guineapig malware

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Launch
Nasreddine Bencherchali (Nextron Systems)Created Sun May 14f0bafe60-1240-4798-9e60-4364b97e6bad2021
Emerging Threat
Active Threat

Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.

Log Source
WindowsFile Event
ProductWindows← raw: windows
CategoryFile Event← raw: file_event

Events for file system activity including creation, modification, and deletion.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        TargetFilename:
            - 'C:\ProgramData\GoogleUpdate\config.dat'
            - 'C:\ProgramData\GoogleUpdate\GoogleUpdate.exe'
            - 'C:\ProgramData\GoogleUpdate\GoogleUpdate\tmp.bat'
            - 'C:\ProgramData\GoogleUpdate\goopdate.dll'
    condition: selection
False Positives
Unlikely

False positives are unlikely for most environments. High confidence detection.

MITRE ATT&CK

Other

detection.emerging-threats
Rule Metadata
Rule ID
f0bafe60-1240-4798-9e60-4364b97e6bad
Status
test
Level
high
Type
Emerging Threat
Created
Sun May 14
Path
rules-emerging-threats/2021/Malware/Goofy-Guineapig/file_event_win_malware_goofy_guineapig_file_indicators.yml
Raw Tags
attack.executionattack.defense-evasiondetection.emerging-threats
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