Detection rules › Sigma

Invocation of Active Directory Diagnostic Tool (ntdsutil.exe)

Status
test
Severity
medium
Log source
product windows, category process_creation
Author
Thomas Patzke
Source
github.com/SigmaHQ/sigma

Detects execution of ntdsutil.exe, which can be used for various attacks against the NTDS database (NTDS.DIT)

MITRE ATT&CK coverage

TacticTechniques
Credential AccessT1003.003 OS Credential Dumping: NTDS

Event coverage

Rule body yaml

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

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    Image|endswith: '\ntdsutil.exe'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
Imageends_with
  • \ntdsutil.exe corpus 5 (sigma 5)