DPAPI Domain Master Key Backup Attempt

testmedium
log source: windows · securityauthor Roberto Rodriguez @Cyb3rWard0gdate 2019-08-10
01

description

What this is, in brief.

Detects anyone attempting a backup for the DPAPI Master Key. This events gets generated at the source and not the Domain Controller.

02

tags

attack.credential-accessattack.t1003.004
03

rule source (YAML)

title: DPAPI Domain Master Key Backup Attempt
id: 39a94fd1-8c9a-4ff6-bf22-c058762f8014
status: test
description: Detects anyone attempting a backup for the DPAPI Master Key. This events gets generated at the source and not the Domain Controller.
references:
    - https://threathunterplaybook.com/hunts/windows/190620-DomainDPAPIBackupKeyExtraction/notebook.html
author: Roberto Rodriguez @Cyb3rWard0g
date: 2019-08-10
modified: 2023-03-15
tags:
    - attack.credential-access
    - attack.t1003.004
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4692
    condition: selection
falsepositives:
    - If a computer is a member of a domain, DPAPI has a backup mechanism to allow unprotection of the data. Which will trigger this event.
level: medium
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.