Florian Roth
44 lines
1.4 KiB
YAML
44 lines
1.4 KiB
YAML
title: Mimikatz DC Sync
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id: 611eab06-a145-4dfa-a295-3ccc5c20f59a
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description: Detects Mimikatz DC sync security events
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status: experimental
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date: 2018/06/03
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modified: 2022/04/26
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author: Benjamin Delpy, Florian Roth, Scott Dermott, Sorina Ionescu
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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://blog.blacklanternsecurity.com/p/detecting-dcsync?s=r
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- https://docs.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4662
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tags:
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- attack.credential_access
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- attack.s0002
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- attack.t1003.006
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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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selection:
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EventID: 4662
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Properties|contains:
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- 'Replicating Directory Changes All'
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- '1131f6ad-9c07-11d1-f79f-00c04fc2dcd2'
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- '1131f6aa-9c07-11d1-f79f-00c04fc2dcd2'
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- '9923a32a-3607-11d2-b9be-0000f87a36b2'
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- '89e95b76-444d-4c62-991a-0facbeda640c'
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AccessMask: '0x100'
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filter1:
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SubjectDomainName: 'Window Manager'
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filter2:
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SubjectUserName|startswith:
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- 'NT AUT'
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- 'MSOL_'
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filter3:
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SubjectUserName|endswith: '$'
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condition: selection and not 1 of filter*
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falsepositives:
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- Valid DC Sync that is not covered by the filters; please report
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- Local Domain Admin account used for Azure AD Connect
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level: high
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