SigmaHQ/rules-unsupported/win_dumping_ntdsdit_via_dcsync.yml
Thomas Patzke 924e1feb54 UUIDs + moved unsupported logic
* Added UUIDs to all contributed rules
* Moved unsupported logic directory out of rules/ because this breaks CI
  testing.
2019-12-19 23:56:36 +01:00

35 lines
1.4 KiB
YAML

title: Dumping ntds.dit remotely via DCSync
id: 51238c62-2b29-4539-ad75-e94575368a12
description: ntds.dit retrieving using synchronisation with legitimate domain controller using Directory Replication Service Remote Protocol
author: Teymur Kheirkhabarov, oscd.community
date: 2019/10/24
modified: 2019/11/13
references:
- https://twitter.com/gentilkiwi/status/1003236624925413376
- https://gist.github.com/gentilkiwi/dcc132457408cf11ad2061340dcb53c2
- https://www.slideshare.net/heirhabarov/hunting-for-credentials-dumping-in-windows-environment
tags:
- attack.credential_access
- attack.t1003
logsource:
product: windows
service: security
detection:
selection1:
EventID: 4624
ComputerName: '%DomainControllersNamesList%'
selection2:
IpAddress: '%DomainControllersIpsList%'
selection3:
EventID: 4662
ComputerName: '%DomainControllersNamesList%'
SubjectLogonId: '%SuspiciousTargetLogonIdList%'
Properties|contains:
- '1131f6aa-9c07-11d1-f79f-00c04fc2dcd2'
- '1131f6ad-9c07-11d1-f79f-00c04fc2dcd2'
condition: write TargetLogonId from selection1 (if not selection2) to list %SuspiciousTargetLogonIdList%; then if selection3 -> alert
falsepositives:
- Legitimate administrator adding new domain controller to already existing domain
level: medium
status: experimental