CyberArkEPM - Multiple attack types

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Id	c02f96b4-057b-4e63-87af-6376ef7a081b
Rulename	CyberArkEPM - Multiple attack types
Description	This rule triggers on multiple attack attemts triggered by same user.
Severity	High
Tactics	Execution
Techniques	T1204
Required data connectors	CyberArkEPM
Kind	Scheduled
Query frequency	10m
Query period	10m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CyberArkEPM/Analytic Rules/CyberArkEPMMultipleAttackAttempts.yaml
Version	1.0.0
Arm template	c02f96b4-057b-4e63-87af-6376ef7a081b.json

KQL

CyberArkEPM
| where EventSubType =~ 'AttackAttempt'
| summarize LatestAttackTime=max(EventEndTime), att=makeset(EventMessage) by ActorUsername
| where array_length(att) > 1
| extend AccountCustomEntity = ActorUsername

YAML

name: CyberArkEPM - Multiple attack types
id: c02f96b4-057b-4e63-87af-6376ef7a081b
description: |
    'This rule triggers on multiple attack attemts triggered by same user.'
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
version: 1.0.0
triggerOperator: gt
query: |
  CyberArkEPM
  | where EventSubType =~ 'AttackAttempt'
  | summarize LatestAttackTime=max(EventEndTime), att=makeset(EventMessage) by ActorUsername
  | where array_length(att) > 1
  | extend AccountCustomEntity = ActorUsername  
tactics:
- Execution
kind: Scheduled
queryFrequency: 10m
severity: High
queryPeriod: 10m
requiredDataConnectors:
- dataTypes:
  - CyberArkEPM
  connectorId: CyberArkEPM
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CyberArkEPM/Analytic Rules/CyberArkEPMMultipleAttackAttempts.yaml
relevantTechniques:
- T1204

ARM