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
Active Directory User Backdoors
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Active Directory User Backdoors
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: Active Directory User Backdoors
id: 300bac00-e041-4ee2-9c36-e262656a6ecc
status: test
description: Detects scenarios where one can control another users or computers account without having to use their credentials.
references:
- https://msdn.microsoft.com/en-us/library/cc220234.aspx
- https://adsecurity.org/?p=3466
- https://blog.harmj0y.net/redteaming/another-word-on-delegation/
author: '@neu5ron'
date: 2017-04-13
modified: 2024-02-26
tags:
- attack.privilege-escalation
- attack.t1098
- attack.persistence
logsource:
product: windows
service: security
definition: 'Requirements: Audit Policy : Account Management > Audit User Account Management, Group Policy : Computer Configuration\Windows Settings\Security Settings\Advanced Audit Policy Configuration\Audit Policies\Account Management\Audit User Account Management, DS Access > Audit Directory Service Changes, Group Policy : Computer Configuration\Windows Settings\Security Settings\Advanced Audit Policy Configuration\Audit Policies\DS Access\Audit Directory Service Changes'
detection:
selection1:
EventID: 4738
filter_empty:
AllowedToDelegateTo:
- ''
- '-'
filter_null:
AllowedToDelegateTo: null
selection_5136_1:
EventID: 5136
AttributeLDAPDisplayName: 'msDS-AllowedToDelegateTo'
selection_5136_2:
EventID: 5136
ObjectClass: 'user'
AttributeLDAPDisplayName: 'servicePrincipalName'
selection_5136_3:
EventID: 5136
AttributeLDAPDisplayName: 'msDS-AllowedToActOnBehalfOfOtherIdentity'
condition: (selection1 and not 1 of filter_*) or 1 of selection_5136_*
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_alert_ad_user_backdoors.yml