Sigma rule: AD Object WriteDAC Access

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-092d51b9adb2, updated 2021-11-27T00:00:00.000Z.

Rule

Title: AD Object WriteDAC Access
Status: test
Level: critical
Author: Roberto Rodriguez @Cyb3rWard0g
Date: 2019-09-12
Modified: 2021-11-27
File: rules/windows/builtin/security/win_security_ad_object_writedac_access.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects WRITE_DAC access to a domain object

Log source

product: windows
service: security

Detection

selection:
    EventID: 4662
    ObjectServer: 'DS'
    AccessMask: '0x40000'
    ObjectType:
        - '19195a5b-6da0-11d0-afd3-00c04fd930c9'
        - 'domainDNS'
condition: selection

False positives (as the rule lists them)

Unknown

MITRE ATT&CK ids this rule names

T1222.001

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_ad_object_writedac_access.yml

Sources and licences

SigmaHQ
"AD Object WriteDAC Access" by Roberto Rodriguez @Cyb3rWard0g (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_ad_object_writedac_access.yml.
Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License
Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: AD Object WriteDAC Access",
entity page, dataset version ref-092d51b9adb2, updated 2021-11-27T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/028c7842-4243-41cd-be6f-12f3cf1a26c7 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 028c7842-4243-41cd-be6f-12f3cf1a26c7, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.