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
CodeIntegrity - Unsigned Image Loaded
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
CodeIntegrity - Unsigned Image Loaded
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: CodeIntegrity - Unsigned Image Loaded
id: c92c24e7-f595-493f-9c98-53d5142f5c18
status: test
description: Detects loaded unsigned image on the system
references:
- https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/operations/event-id-explanations
- https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/operations/event-tag-explanations
- Internal Research
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-06-06
tags:
- attack.privilege-escalation
logsource:
product: windows
service: codeintegrity-operational
detection:
selection:
EventID: 3037 # Code Integrity determined an unsigned image %2 is loaded into the system. Check with the publisher to see if a signed version of the image is available.
condition: selection
falsepositives:
- Unlikely
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/code_integrity/win_codeintegrity_unsigned_image_loaded.yml