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
ETW Logging Disabled For rpcrt4.dll
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
ETW Logging Disabled For rpcrt4.dll
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: ETW Logging Disabled For rpcrt4.dll
id: 90f342e1-1aaa-4e43-b092-39fda57ed11e
status: test
description: Detects changes to the "ExtErrorInformation" key in order to disable ETW logging for rpcrt4.dll
references:
- http://redplait.blogspot.com/2020/07/whats-wrong-with-etw.html
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-12-09
modified: 2023-08-17
tags:
- attack.persistence
- attack.defense-evasion
- attack.t1112
- attack.t1562
logsource:
product: windows
category: registry_set
detection:
selection:
TargetObject|endswith: '\Microsoft\Windows NT\Rpc\ExtErrorInformation'
Details:
# This is disabled by default for some reason
- 'DWORD (0x00000000)' # Off
- 'DWORD (0x00000002)' # Off with exceptions
condition: selection
falsepositives:
- Unknown
level: low
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_rpcrt4_etw_tamper.yml