id: 426a8b59-41ad-4022-bb01-cf914fd5687a
name: Imperva - Rare applications
description: |
  'Query searches for rare application protocols.'
severity: Medium
requiredDataConnectors:
  - connectorId: ImpervaWAFCloudAPI
    dataTypes:
      - ImpervaWAFCloud
tactics:
  - InitialAccess
relevantTechniques:
  - T1190
query: |
  ImpervaWAFCloud
  | where TimeGenerated > ago(24h)
  | where isnotempty(NetworkApplicationProtocol)
  | summarize count() by NetworkApplicationProtocol
  | top 5 by count_ asc
  | extend AppCustomEntity = NetworkApplicationProtocol
entityMappings:
  - entityType: CloudApplication
    fieldMappings:
      - identifier: Name
        columnName: AppCustomEntity
