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
User Added to Local Administrator Group
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
User Added to Local Administrator Group
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: User Added to Local Administrator Group
id: c265cf08-3f99-46c1-8d59-328247057d57
status: stable
description: Detects the addition of a new member to the local administrator group, which could be legitimate activity or a sign of privilege escalation activity
references:
- https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4732
- https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/manage/understand-security-identifiers
author: Florian Roth (Nextron Systems)
date: 2017-03-14
modified: 2021-01-17
tags:
- attack.initial-access
- attack.defense-evasion
- attack.privilege-escalation
- attack.t1078
- attack.persistence
- attack.t1098
logsource:
product: windows
service: security
detection:
selection_eid:
EventID: 4732
selection_group:
- TargetUserName|startswith: 'Administr'
- TargetSid: 'S-1-5-32-544'
filter_main_computer_accounts:
SubjectUserName|endswith: '$'
condition: all of selection_* and not 1 of filter_*
falsepositives:
- Legitimate administrative activity
level: medium
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_user_added_to_local_administrators.yml