Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
This studio is built around Phoenix's own rule corpus, not a blank editor. Search by title or rule id, choose a local pySigma backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,731
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Backends
17
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pySigma Versions
10
Newest: 1.3.3
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Potential Goofy Guineapig GoolgeUpdate Process Anomaly
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Potential Goofy Guineapig GoolgeUpdate Process Anomaly
Using Splunk · Default · pySigma 1.3.3
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion1.3.3
title: Potential Goofy Guineapig GoolgeUpdate Process Anomaly
id: bdbab15a-3826-48fa-a1b7-723cd8f32fcc
status: test
description: Detects "GoogleUpdate.exe" spawning a new instance of itself in an uncommon location as seen 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: X__Junior (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)
date: 2023-05-15
tags:
- attack.defense-evasion
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage|endswith: '\GoogleUpdate.exe'
Image|endswith: '\GoogleUpdate.exe'
filter_main_legit_paths:
- Image|startswith:
- 'C:\Program Files\Google\'
- 'C:\Program Files (x86)\Google\'
- Image|contains: '\AppData\Local\Google\Update\'
condition: selection and not 1 of filter_main_*
falsepositives:
- Unknown
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2021/Malware/Goofy-Guineapig/proc_creation_win_malware_goofy_guineapig_googleupdate_uncommon_child_instance.yml