Solutions/ImpervaCloudWAF/Hunting Queries/ImpervaInsecureWebProtocolVersion.yaml (24 lines of code) (raw):

id: 4cf72a93-537a-4c1f-83a3-0a5b743fe93e name: Imperva - Applications with insecure web protocol version description: | 'Query searches for with insecure web protocol version.' severity: Medium requiredDataConnectors: - connectorId: ImpervaWAFCloudAPI dataTypes: - ImpervaWAFCloud tactics: - InitialAccess relevantTechniques: - T1190 query: | ImpervaWAFCloud | where TimeGenerated > ago(24h) | where NetworkApplicationProtocoVersion !startswith 'TLSv1.2' | summarize count() by DstDomainHostname | extend DomainNameCustom = DstDomainHostname entityMappings: - entityType: DNS fieldMappings: - identifier: DomainName columnName: CustomDomainName