sigmacriticalHunting

AD Object WriteDAC Access

Detects WRITE_DAC access to a domain object

MITRE ATT&CK

defense-evasion

Detection Query

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

Author

Roberto Rodriguez @Cyb3rWard0g

Created

2019-09-12

Data Sources

windowssecurity

Platforms

windows

References

Tags

attack.defense-evasionattack.t1222.001

Raw Content

title: AD Object WriteDAC Access
id: 028c7842-4243-41cd-be6f-12f3cf1a26c7
status: test
description: Detects WRITE_DAC access to a domain object
references:
    - https://threathunterplaybook.com/hunts/windows/180815-ADObjectAccessReplication/notebook.html
    - https://threathunterplaybook.com/library/windows/active_directory_replication.html
    - https://threathunterplaybook.com/hunts/windows/190101-ADModDirectoryReplication/notebook.html
author: Roberto Rodriguez @Cyb3rWard0g
date: 2019-09-12
modified: 2021-11-27
tags:
    - attack.defense-evasion
    - attack.t1222.001
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4662
        ObjectServer: 'DS'
        AccessMask: '0x40000'
        ObjectType:
            - '19195a5b-6da0-11d0-afd3-00c04fd930c9'
            - 'domainDNS'
    condition: selection
falsepositives:
    - Unknown
level: critical