Invocation of Active Directory Diagnostic Tool (ntdsutil.exe) — Sigma Rule

Rule metadata and linked tags

Author: Thomas Patzke. Source status: test; severity: medium. Source dates: 2019-01-16 / 2022-03-11.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 5233da3c7563668f955a97980cd764a061a275befff67c49d3d7b476854a3ac7

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Invocation of Active Directory Diagnostic Tool (ntdsutil.exe)
id: 2afafd61-6aae-4df4-baed-139fa1f4c345
status: test
description: Detects execution of ntdsutil.exe, which can be used for various attacks against the NTDS database (NTDS.DIT)
references:
    - https://jpcertcc.github.io/ToolAnalysisResultSheet/details/ntdsutil.htm
author: Thomas Patzke
date: 2019-01-16
modified: 2022-03-11
tags:
    - attack.credential-access
    - attack.t1003.003
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\ntdsutil.exe'
    condition: selection
falsepositives:
    - NTDS maintenance
level: medium

Original YAML and metadata in JSON

False positives

• NTDS maintenance

Source references

• https://jpcertcc.github.io/ToolAnalysisResultSheet/details/ntdsutil.htm