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 Reg Add BitLocker
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious Reg Add BitLocker
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 Reg Add BitLocker
id: 0e0255bf-2548-47b8-9582-c0955c9283f5
status: test
description: Detects suspicious addition to BitLocker related registry keys via the reg.exe utility
references:
- https://thedfirreport.com/2021/11/15/exchange-exploit-leads-to-domain-wide-ransomware/
author: frack113
date: 2021-11-15
modified: 2022-09-09
tags:
- attack.impact
- attack.t1486
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains|all:
- 'REG'
- 'ADD'
- '\SOFTWARE\Policies\Microsoft\FVE'
- '/v'
- '/f'
CommandLine|contains:
- 'EnableBDEWithNoTPM'
- 'UseAdvancedStartup'
- 'UseTPM'
- 'UseTPMKey'
- 'UseTPMKeyPIN'
- 'RecoveryKeyMessageSource'
- 'UseTPMPIN'
- 'RecoveryKeyMessage'
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/process_creation/proc_creation_win_reg_bitlocker.yml