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25 lines
689 B
YAML
25 lines
689 B
YAML
title: Multiple Failed Logins with Different Accounts from Single Source System
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description: Detects suspicious failed logins with different user accounts from a single source system
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author: Florian Roth
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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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- 529
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- 4625
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- 4776
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UserName: not null
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SourceWorkstation: not null
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timeframe: 24h
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condition: selection | count(UserName) by SourceWorkstation > 3
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falsepositives:
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- Terminal servers
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- Jump servers
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- Other multiuser systems like Citrix server farms
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- Workstations with frequently changing users
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level: medium
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