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
NTLM Brute Force
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
NTLM Brute Force
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: NTLM Brute Force
id: 9c8acf1a-cbf9-4db6-b63c-74baabe03e59
status: test
description: Detects common NTLM brute force device names
references:
- https://www.varonis.com/blog/investigate-ntlm-brute-force
author: Jerry Shockley '@jsh0x'
date: 2022-02-02
tags:
- attack.credential-access
- attack.t1110
logsource:
product: windows
service: ntlm
definition: Requires events from Microsoft-Windows-NTLM/Operational
detection:
selection:
EventID: 8004
devicename:
WorkstationName:
- 'Rdesktop'
- 'Remmina'
- 'Freerdp'
- 'Windows7'
- 'Windows8'
- 'Windows2012'
- 'Windows2016'
- 'Windows2019'
condition: selection and devicename
falsepositives:
- Systems with names equal to the spoofed ones used by the brute force tools
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/ntlm/win_susp_ntlm_brute_force.yml