Password Change on Directory Service Restore Mode (DSRM) Account

Description

Detects potential attempts made to set the Directory Services Restore Mode administrator password. The Directory Service Restore Mode (DSRM) account is a local administrator account on Domain Controllers. Attackers may change the password in order to obtain persistence.

Query · sigma

selection:
  EventID: 4794
condition: selection

Known false positives

  • Initial installation of a domain controller.
Raw source Password Change on Directory Service Restore Mode (DSRM) Account · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Password Change on Directory Service Restore Mode (DSRM) Account
id: 53ad8e36-f573-46bf-97e4-15ba5bf4bb51
related:
    - id: b61e87c0-50db-4b2e-8986-6a2be94b33b0
      type: similar
status: stable
description: |
    Detects potential attempts made to set the Directory Services Restore Mode administrator password.
    The Directory Service Restore Mode (DSRM) account is a local administrator account on Domain Controllers.
    Attackers may change the password in order to obtain persistence.
references:
    - https://adsecurity.org/?p=1714
    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4794
author: Thomas Patzke
date: 2017-02-19
modified: 2020-08-23
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1098
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4794
    condition: selection
falsepositives:
    - Initial installation of a domain controller.
level: high

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