31 строка
906 B
YAML
31 строка
906 B
YAML
id: 1fa1528e-f746-4794-8a41-14827f4cb798
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name: PulseConnectSecure - Large Number of Distinct Failed User Logins
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description: |
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'This query identifies evidence of failed login attempts from a large number of distinct users on a Pulse Connect Secure VPN server'
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severity: Medium
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requiredDataConnectors:
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- connectorId: PulseConnectSecure
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dataTypes:
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- Syslog
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queryFrequency: 1h
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queryPeriod: 1h
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triggerOperator: gt
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triggerThreshold: 0
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tactics:
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- CredentialAccess
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relevantTechniques:
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- T1110
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query: |
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let threshold = 100;
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PulseConnectSecure
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| where Messages startswith "Login failed"
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| summarize dcount(User) by Computer, bin(TimeGenerated, 15m)
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| where dcount_User > threshold
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| extend timestamp = TimeGenerated, HostCustomEntity = Computer
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entityMappings:
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- entityType: Host
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fieldMappings:
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- identifier: FullName
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columnName: HostCustomEntity
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version: 1.0.0 |