Create Incidents from IronDefense

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Id	3cf46cb9-99d5-42ee-a43c-7bd88ea394a1
Rulename	Create Incidents from IronDefense
Description	Creates incidents based on behavioral detections from IronDefense.
Severity	Medium
Required data connectors	IronNetIronDefense
Kind	Scheduled
Query frequency	5m
Query period	5m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IronNet IronDefense/Analytic Rules/IronDefense_Detection_Query.yaml
Version	1.0.1
Arm template	3cf46cb9-99d5-42ee-a43c-7bd88ea394a1.json

KQL

CommonSecurityLog
| where DeviceProduct == "IronDefense"
| summarize arg_max(TimeGenerated, *) by DeviceCustomString4, DeviceCustomString2
| extend Category = coalesce(column_ifexists("DeviceEventCategory",""),extract(@'cat=([^;]+)(\;|$)', 1, AdditionalExtensions))	
| extend Subcategory = extract(@'subcat=([^;]+)(\;|$)', 1, AdditionalExtensions)
| extend AlertDescription = strcat(Category, ': ', Subcategory)
| extend Status = tostring(DeviceCustomString2)
| extend IronVueUrl = replace(@'\\', @'', tostring(DeviceCustomString3))

YAML

alertDetailsOverride:
  alertSeverityColumnName: LogSeverity
  alertDescriptionFormat: |
        IronDefense detected suspicious activity on {{TimeGenerated}} and categorized it as "{{AlertDescription}}".  View full details in IronVue: {{IronVueUrl}}
  alertDisplayNameFormat: |
        {{Category}}: {{Subcategory}} ({{DeviceCustomString4}})
relevantTechniques: 
name: Create Incidents from IronDefense
queryFrequency: 5m
version: 1.0.1
triggerThreshold: 0
severity: Medium
requiredDataConnectors:
- connectorId: IronNetIronDefense
  dataTypes:
  - CommonSecurityLog
tactics: 
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IronNet IronDefense/Analytic Rules/IronDefense_Detection_Query.yaml
query: |
  CommonSecurityLog
  | where DeviceProduct == "IronDefense"
  | summarize arg_max(TimeGenerated, *) by DeviceCustomString4, DeviceCustomString2
  | extend Category = coalesce(column_ifexists("DeviceEventCategory",""),extract(@'cat=([^;]+)(\;|$)', 1, AdditionalExtensions))	
  | extend Subcategory = extract(@'subcat=([^;]+)(\;|$)', 1, AdditionalExtensions)
  | extend AlertDescription = strcat(Category, ': ', Subcategory)
  | extend Status = tostring(DeviceCustomString2)
  | extend IronVueUrl = replace(@'\\', @'', tostring(DeviceCustomString3))  
kind: Scheduled
entityMappings:
- fieldMappings:
  - columnName: DestinationIP
    identifier: Address
  entityType: IP
- fieldMappings:
  - columnName: SourceIP
    identifier: Address
  entityType: IP
- fieldMappings:
  - columnName: DestinationHostName
    identifier: FullName
  entityType: Host
- fieldMappings:
  - columnName: SourceHostName
    identifier: FullName
  entityType: Host
- fieldMappings:
  - columnName: RequestURL
    identifier: Url
  entityType: URL
queryPeriod: 5m
triggerOperator: gt
customDetails:
  IronDefenseStatus: Status
  IronDefenseAlertId: DeviceCustomString4
  AnalystSeverity: DeviceCustomString1
  AlertCreatedTime: TimeGenerated
  IronVueUrl: IronVueUrl
  AnalystRating: LogSeverity
eventGroupingSettings:
  aggregationKind: AlertPerResult
id: 3cf46cb9-99d5-42ee-a43c-7bd88ea394a1
status: Available
description: |
    'Creates incidents based on behavioral detections from IronDefense.'

ARM