sigmamediumHunting

Ntdsutil Abuse

Detects potential abuse of ntdsutil to dump ntds.dit database

MITRE ATT&CK

credential-access

Detection Query

selection:
  Provider_Name: ESENT
  EventID:
    - 216
    - 325
    - 326
    - 327
  Data|contains: ntds.dit
condition: selection

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2022-08-14

Data Sources

windowsapplication

Platforms

windows

References

Tags

attack.credential-accessattack.t1003.003

Raw Content

title: Ntdsutil Abuse
id: e6e88853-5f20-4c4a-8d26-cd469fd8d31f
status: test
description: Detects potential abuse of ntdsutil to dump ntds.dit database
references:
    - https://twitter.com/mgreen27/status/1558223256704122882
    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/jj574207(v=ws.11)
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-08-14
tags:
    - attack.credential-access
    - attack.t1003.003
logsource:
    product: windows
    service: application
    # warning: The 'data' field used in the detection section is the container for the event data as a whole. You may have to adapt the rule for your backend accordingly
detection:
    selection:
        Provider_Name: 'ESENT'
        EventID:
            - 216
            - 325
            - 326
            - 327
        Data|contains: 'ntds.dit'
    condition: selection
falsepositives:
    - Legitimate backup operation/creating shadow copies
level: medium