mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 17:58:52 +00:00
27 lines
1.3 KiB
YAML
27 lines
1.3 KiB
YAML
title: Active Directory User Backdoors
|
|
description: Detects scenarios where one can control another users account without having to use their credentials via msDS-AllowedToDelegateTo and or service principal names (SPN).
|
|
reference:
|
|
- https://msdn.microsoft.com/en-us/library/cc220234.aspx
|
|
- https://adsecurity.org/?p=3466
|
|
author: '@neu5ron'
|
|
logsource:
|
|
product: windows
|
|
service: security
|
|
description1: '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'
|
|
description2: 'Requirements: Audit Policy : 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
|
|
AllowedToDelegateTo: '*'
|
|
selection2:
|
|
EventID: 5136
|
|
AttributeLDAPDisplayName: 'msDS-AllowedToDelegateTo'
|
|
selection3:
|
|
EventID: 5136
|
|
ObjectClass: 'user'
|
|
AttributeLDAPDisplayName: 'servicePrincipalName'
|
|
condition: selection1 or selection2 or selection3
|
|
falsepositives:
|
|
- Unknown
|
|
level: high
|