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

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

ARM