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
Hidden Local User Creation
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Hidden Local User Creation
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: Hidden Local User Creation
id: 7b449a5e-1db5-4dd0-a2dc-4e3a67282538
status: test
description: Detects the creation of a local hidden user account which should not happen for event ID 4720.
references:
- https://twitter.com/SBousseaden/status/1387743867663958021
author: Christian Burkard (Nextron Systems)
date: 2021-05-03
modified: 2024-01-16
tags:
- attack.persistence
- attack.t1136.001
logsource:
product: windows
service: security
detection:
selection:
EventID: 4720
TargetUserName|endswith: '$'
filter_main_homegroup:
TargetUserName: 'HomeGroupUser$'
condition: selection and not 1 of filter_main_*
falsepositives:
- Unknown
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/security/win_security_hidden_user_creation.yml