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8d6a507ec4
* Checked all rules against Mordor and EVTX samples datasets * Added field names * Some severity adjustments * Fixes
34 lines
940 B
YAML
34 lines
940 B
YAML
title: LSASS Access from Non System Account
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id: 962fe167-e48d-4fd6-9974-11e5b9a5d6d1
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description: Detects potential mimikatz-like tools accessing LSASS from non system account
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status: experimental
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date: 2019/06/20
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modified: 2019/11/10
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author: Roberto Rodriguez @Cyb3rWard0g
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references:
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- https://github.com/Cyb3rWard0g/ThreatHunter-Playbook/tree/master/playbooks/windows/06_credential_access/T1003_credential_dumping/lsass_access_non_system_account.md
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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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selection:
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EventID:
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- 4663
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- 4656
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ObjectType: 'Process'
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ObjectName|endswith: '\lsass.exe'
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filter:
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SubjectUserName|endswith: '$'
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condition: selection and not filter
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fields:
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- ComputerName
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- ObjectName
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- SubjectUserName
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- ProcessName
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falsepositives:
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- Unknown
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level: critical
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