DPAPI Domain Backup Key Extraction

testhigh
log source: windows · securityauthor Roberto Rodriguez @Cyb3rWard0gdate 2019-06-20
01

description

What this is, in brief.

Detects tools extracting LSA secret DPAPI domain backup key from Domain Controllers

02

tags

attack.credential-accessattack.t1003.004
03

rule source (YAML)

title: DPAPI Domain Backup Key Extraction
id: 4ac1f50b-3bd0-4968-902d-868b4647937e
status: test
description: Detects tools extracting LSA secret DPAPI domain backup key from Domain Controllers
references:
    - https://threathunterplaybook.com/hunts/windows/190620-DomainDPAPIBackupKeyExtraction/notebook.html
author: Roberto Rodriguez @Cyb3rWard0g
date: 2019-06-20
modified: 2022-02-24
tags:
    - attack.credential-access
    - attack.t1003.004
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4662
        ObjectType: 'SecretObject'
        AccessMask: '0x2'
        ObjectName|contains: 'BCKUPKEY'
    condition: selection
falsepositives:
    - Unknown
level: high
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.