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
Suspicious Browser Activity
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious Browser Activity
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: Suspicious Browser Activity
id: 944f6adb-7a99-4c69-80c1-b712579e93e6
status: test
description: Indicates anomalous behavior based on suspicious sign-in activity across multiple tenants from different countries in the same browser
references:
- https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#suspicious-browser
- https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-03
tags:
- attack.t1078
- attack.persistence
- attack.defense-evasion
- attack.privilege-escalation
- attack.initial-access
logsource:
product: azure
service: riskdetection
detection:
selection:
riskEventType: 'suspiciousBrowser'
condition: selection
falsepositives:
- We recommend investigating the sessions flagged by this detection in the context of other sign-ins from the user.
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/cloud/azure/identity_protection/azure_identity_protection_suspicious_browser.yml