Suspicious Use Of Active Directory Diagnostic Utility (ntdsutil.exe) (via process_creation)
This rule detects execution of ntdsutil.exe to perform different actions such as restoring snapshots...etc.
SigmamediumWindowsv1
sigma
suspicious-use-of-active-directory-diagnostic-utility-ntdsutil-exe-via-process-creation
title: Suspicious Use Of Active Directory Diagnostic Utility (ntdsutil.exe) (via process_creation)
id: 23317c38-f1c7-5464-8e28-bcee23dda50f
status: stable
description: This rule detects execution of ntdsutil.exe to perform different actions such as restoring snapshots...etc.
references:
- https://attack.mitre.org/techniques/T1003/003/
- https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/cc731620(v=ws.11)
- https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/espionage-asia-governments
author: Huntrule Team
date: 2026-05-19
tags:
- attack.credential-access
- attack.t1003.003
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\ntdsutil.exe'
- OriginalFileName: 'ntdsutil.exe'
selection_cli:
- CommandLine|contains|all:
- 'snapshot'
- 'mount '
- CommandLine|contains|all:
- 'ac'
- ' i'
- ' ntds'
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.