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

ARM