Palo Alto Prisma Cloud - Anomalous access key usage

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Id	bd602b90-f7f9-4ae9-bf8c-3672a24deb39
Rulename	Palo Alto Prisma Cloud - Anomalous access key usage
Description	Detects anomalous API key usage activity.
Severity	Medium
Tactics	InitialAccess
Techniques	T1078
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/PaloAltoPrismaCloudAnomalousApiKeyActivity.yaml
Version	1.0.1
Arm template	bd602b90-f7f9-4ae9-bf8c-3672a24deb39.json

KQL

let threshold = 10;
PaloAltoPrismaCloud
| where ResourceType =~ 'Login'
| where EventResult =~ 'Failed'
| where EventMessage has 'access key'
| summarize count() by UserName, bin(TimeGenerated, 5m)
| where count_ > threshold
| extend AccountCustomEntity = UserName

YAML

queryPeriod: 1h
query: |
  let threshold = 10;
  PaloAltoPrismaCloud
  | where ResourceType =~ 'Login'
  | where EventResult =~ 'Failed'
  | where EventMessage has 'access key'
  | summarize count() by UserName, bin(TimeGenerated, 5m)
  | where count_ > threshold
  | extend AccountCustomEntity = UserName  
name: Palo Alto Prisma Cloud - Anomalous access key usage
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
queryFrequency: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoPrismaCloud/Analytic Rules/PaloAltoPrismaCloudAnomalousApiKeyActivity.yaml
requiredDataConnectors:
- connectorId: PaloAltoPrismaCloud
  dataTypes:
  - PaloAltoPrismaCloud
description: |
    'Detects anomalous API key usage activity.'
kind: Scheduled
version: 1.0.1
status: Available
severity: Medium
relevantTechniques:
- T1078
triggerOperator: gt
triggerThreshold: 0
tactics:
- InitialAccess
id: bd602b90-f7f9-4ae9-bf8c-3672a24deb39

ARM