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Sigma detection rules

1 rules indexed · SIEM-agnostic detection content
Sigma is the open generic signature format for SIEM systems. Each rule below converts to native syntax for Splunk, Elastic, Sentinel, and other SIEMs. Expand any rule to see its raw YAML.

Detection rules

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medium
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.
status experimental author frack113 id cdfa73b6-3c9d-4bb8-97f8-ddbd8921f5c5
view Sigma YAML
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
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