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
3,779
Ready to search
Backends
3
Loaded from pysigma-node
pySigma Versions
2
Newest: 2.0.1
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Google Workspace Government Attack Warning
Backends follow their supported pySigma version. Select 1.5.1 for Elasticsearch, Kusto, and other 1.x plugins.
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Google Workspace Government Attack Warning
Using Splunk · Default · pySigma 2.0.1
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
title: Google Workspace Government Attack Warning
id: eafe6f2b-cfec-4612-aec2-49563c33a087
status: experimental
description: Detects a login attempt in Google Workspace flagged as a potential attack by a government-backed threat actor
references:
- https://cloud.google.com/logging/docs/audit/gsuite-audit-logging
- https://cloud.google.com/logging/docs/audit/understanding-audit-logs
- https://developers.google.com/workspace/admin/reports/v1/appendix/activity/login#gov_attack_warning
author: Tom Kluter
date: 2026-04-28
tags:
- attack.privilege-escalation
- attack.persistence
- attack.initial-access
- attack.impact
- attack.stealth
- attack.t1078
logsource:
product: gcp
service: google_workspace.login
detection:
selection:
protoPayload.serviceName: 'login.googleapis.com'
protoPayload.metadata.event.eventName: 'gov_attack_warning'
condition: selection
falsepositives:
- Unknown
level: medium
CLI command
Sigma CLI 4.0.0 · Install matching versions, then run from the Phoenix project directory.
python -m pip install 'sigma-cli==4.0.0' 'pysigma==2.0.1' 'pysigma-backend-splunk==3.0.0'
sigma convert --without-pipeline -t splunk -f default 'sigma/rules/cloud/gcp/gworkspace/login/gcp_gworkspace_govattack.yml'