Solutions/CyberArkEPM/Analytic Rules/CyberArkEPMUnexpectedExecutableExtension.yaml

id: 911d5b75-a1ce-4f13-a839-9c2474768696
name: CyberArkEPM - Unexpected executable extension
description: |
  'Detects Windows executable with unexpected extension.'
severity: Medium
requiredDataConnectors:
  - connectorId: CyberArkEPM
    dataTypes:
      - CyberArkEPM
queryFrequency: 30m
queryPeriod: 30m
triggerOperator: gt
triggerThreshold: 0
tactics:
  - Execution
  - DefenseEvasion
relevantTechniques:
  - T1204
  - T1036
query: | 
  CyberArkEPM
  | where EventSubType != 'AttackAttempt'
  | where ActingProcessName has @'\'
  | where ActingProcessName !endswith '.exe'
  | project EventEndTime, EventMessage, ActorUsername, ActingProcessFileInternalName
  | extend AccountCustomEntity = ActorUsername
entityMappings:
  - entityType: Account
    fieldMappings:
      - identifier: Name
        columnName: AccountCustomEntity
version: 1.0.0
kind: Scheduled