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