sigmamediumHunting

Potential Unconstrained Delegation Discovery Via Get-ADComputer - ScriptBlock

Detects the use of the "Get-ADComputer" cmdlet in order to identify systems which are configured for unconstrained delegation.

MITRE ATT&CK

T1018 T1558 T1589.002

reconnaissancediscoverycredential-access

Detection Query

selection:
  ScriptBlockText|contains:
    - -Properties*TrustedForDelegation
    - -Properties*TrustedToAuthForDelegation
    - -Properties*msDS-AllowedToDelegateTo
    - -Properties*PrincipalsAllowedToDelegateToAccount
    - -LDAPFilter*(userAccountControl:1.2.840.113556.1.4.803:=524288)
condition: selection

Author

frack113

Created

2025-03-05

Data Sources

windowsps_script

Platforms

windows

References

Tags

attack.reconnaissanceattack.discoveryattack.credential-accessattack.t1018attack.t1558attack.t1589.002

Raw Content

title: Potential Unconstrained Delegation Discovery Via Get-ADComputer - ScriptBlock
id: cdfa73b6-3c9d-4bb8-97f8-ddbd8921f5c5
status: experimental
description: Detects the use of the "Get-ADComputer" cmdlet in order to identify systems which are configured for unconstrained delegation.
references:
    - https://pentestlab.blog/2022/03/21/unconstrained-delegation/
    - https://learn.microsoft.com/en-us/powershell/module/activedirectory/get-adcomputer?view=windowsserver2022-ps
author: frack113
date: 2025-03-05
tags:
    - attack.reconnaissance
    - attack.discovery
    - attack.credential-access
    - attack.t1018
    - attack.t1558
    - attack.t1589.002
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enable'
detection:
    selection:
        ScriptBlockText|contains:
            - '-Properties*TrustedForDelegation'
            - '-Properties*TrustedToAuthForDelegation'
            - '-Properties*msDS-AllowedToDelegateTo'
            - '-Properties*PrincipalsAllowedToDelegateToAccount'
            - '-LDAPFilter*(userAccountControl:1.2.840.113556.1.4.803:=524288)'
    condition: selection
falsepositives:
    - Legitimate use of the library for administrative activity
level: medium