Possible Active Directory Enumeration Via AD Module - ProcCreation (via process_creation)

This rule detects use of the "Import-Module" cmdlet to load the "Microsoft.ActiveDirectory.Management.dl" DLL. Which is frequently used by adversaries to perform AD enumeration.

SigmamediumWindowsv1
sigma
title: Possible Active Directory Enumeration Via AD Module - ProcCreation (via process_creation)
id: 8240c8e7-d090-5b36-88d1-b7acf3bbea1f
status: stable
description: This rule detects use of the "Import-Module" cmdlet to load the "Microsoft.ActiveDirectory.Management.dl" DLL. Which is frequently used by adversaries to perform AD enumeration.
references:
    - https://github.com/samratashok/ADModule
    - https://twitter.com/cyb3rops/status/1617108657166061568?s=20
    - https://www.ired.team/offensive-security-experiments/active-directory-kerberos-abuse/active-directory-enumeration-with-ad-module-without-rsat-or-admin-privileges
author: Huntrule Team
date: 2026-03-01
tags:
    - attack.reconnaissance
    - attack.discovery
    - attack.impact
    - attack.t1087.002
logsource:
    product: windows
    category: process_creation
detection:
    selection_img:
        - Image|endswith:
              - '\powershell.exe'
              - '\pwsh.exe'
        - OriginalFileName:
              - 'PowerShell.EXE'
              - 'pwsh.dll'
    selection_cmdlet:
        CommandLine|contains:
            - 'Import-Module '
            - 'ipmo '
    selection_dll:
        CommandLine|contains: 'Microsoft.ActiveDirectory.Management.dll'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.