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
Ready to search
Backends
17
Loaded from pysigma-node
pySigma Versions
10
Newest: 1.3.3
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Sysmon Driver Altitude Change
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Sysmon Driver Altitude Change
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: Sysmon Driver Altitude Change
id: 4916a35e-bfc4-47d0-8e25-a003d7067061
status: test
description: |
Detects changes in Sysmon driver altitude value.
If the Sysmon driver is configured to load at an altitude of another registered service, it will fail to load at boot.
references:
- https://posts.specterops.io/shhmon-silencing-sysmon-via-driver-unload-682b5be57650
- https://youtu.be/zSihR3lTf7g
author: B.Talebi
date: 2022-07-28
modified: 2024-03-25
tags:
- attack.defense-evasion
- attack.t1562.001
logsource:
category: registry_set
product: windows
detection:
selection:
TargetObject|contains: '\Services\'
TargetObject|endswith: '\Instances\Sysmon Instance\Altitude'
condition: selection
falsepositives:
- Legitimate driver altitude change to hide sysmon
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/registry/registry_set/registry_set_change_sysmon_driver_altitude.yml