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

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

ARM