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 live sigma-cli backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,707
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Potentially Suspicious GoogleUpdate Child Process
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potentially Suspicious GoogleUpdate Child Process
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: Potentially Suspicious GoogleUpdate Child Process
id: 84b1ecf9-6eff-4004-bafb-bae5c0e251b2
related:
- id: bdbab15a-3826-48fa-a1b7-723cd8f32fcc
type: derived
status: test
description: Detects potentially suspicious child processes of "GoogleUpdate.exe"
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
modified: 2023-05-22
tags:
- attack.defense-evasion
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage|endswith: '\GoogleUpdate.exe'
filter_main_known_legit:
# Some other legit child process might exist. It's better to make a baseline before running this in production
- Image|contains: '\Google' # Example: GoogleUpdate.exe, GoogleCrashHandler.exe, GoogleUpdateComRegisterShell64.exe
- Image|endswith:
- '\setup.exe'
- 'chrome_updater.exe'
- 'chrome_installer.exe'
filter_main_image_null:
Image: null
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/windows/process_creation/proc_creation_win_googleupdate_susp_child_process.yml