Palo Alto Prisma Cloud - High risk score alert

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Id	617b02d8-0f47-4f3c-afed-1926a45e7b28
Rulename	Palo Alto Prisma Cloud - High risk score alert
Description	Detects alerts with high risk score value.
Severity	Medium
Tactics	InitialAccess
Techniques	T1133
Required data connectors	PaloAltoPrismaCloud
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoPrismaCloud/Analytic Rules/PaloAltoPrismaCloudHighRiskScoreAlert.yaml
Version	1.0.1
Arm template	617b02d8-0f47-4f3c-afed-1926a45e7b28.json

KQL

PaloAltoPrismaCloud
| where Reason =~ 'NEW_ALERT'
| where Status =~ 'open'
| extend r_score = 0.85 * toint(RiskDetailRiskScoreMaxScore)
| extend i_RiskDetailRiskScoreScore = toint(RiskDetailRiskScoreScore)
| where i_RiskDetailRiskScoreScore > r_score
| extend AccountCustomEntity = UserName

YAML

requiredDataConnectors:
- dataTypes:
  - PaloAltoPrismaCloud
  connectorId: PaloAltoPrismaCloud
queryPeriod: 1h
triggerThreshold: 0
queryFrequency: 1h
version: 1.0.1
status: Available
severity: Medium
description: |
    'Detects alerts with high risk score value.'
name: Palo Alto Prisma Cloud - High risk score alert
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: AccountCustomEntity
  entityType: Account
triggerOperator: gt
id: 617b02d8-0f47-4f3c-afed-1926a45e7b28
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoPrismaCloud/Analytic Rules/PaloAltoPrismaCloudHighRiskScoreAlert.yaml
tactics:
- InitialAccess
relevantTechniques:
- T1133
kind: Scheduled
query: |
  PaloAltoPrismaCloud
  | where Reason =~ 'NEW_ALERT'
  | where Status =~ 'open'
  | extend r_score = 0.85 * toint(RiskDetailRiskScoreMaxScore)
  | extend i_RiskDetailRiskScoreScore = toint(RiskDetailRiskScoreScore)
  | where i_RiskDetailRiskScoreScore > r_score
  | extend AccountCustomEntity = UserName

ARM