Create Incidents from IronDefense
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 |
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))
queryFrequency: 5m
description: |
'Creates incidents based on behavioral detections from IronDefense.'
eventGroupingSettings:
aggregationKind: AlertPerResult
name: Create Incidents from IronDefense
relevantTechniques:
triggerThreshold: 0
status: Available
id: 3cf46cb9-99d5-42ee-a43c-7bd88ea394a1
requiredDataConnectors:
- dataTypes:
- CommonSecurityLog
connectorId: IronNetIronDefense
entityMappings:
- entityType: IP
fieldMappings:
- identifier: Address
columnName: DestinationIP
- entityType: IP
fieldMappings:
- identifier: Address
columnName: SourceIP
- entityType: Host
fieldMappings:
- identifier: FullName
columnName: DestinationHostName
- entityType: Host
fieldMappings:
- identifier: FullName
columnName: SourceHostName
- entityType: URL
fieldMappings:
- identifier: Url
columnName: RequestURL
queryPeriod: 5m
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
severity: Medium
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IronNet IronDefense/Analytic Rules/IronDefense_Detection_Query.yaml
version: 1.0.1
alertDetailsOverride:
alertDescriptionFormat: |
IronDefense detected suspicious activity on {{TimeGenerated}} and categorized it as "{{AlertDescription}}". View full details in IronVue: {{IronVueUrl}}
alertSeverityColumnName: LogSeverity
alertDisplayNameFormat: |
{{Category}}: {{Subcategory}} ({{DeviceCustomString4}})
customDetails:
AlertCreatedTime: TimeGenerated
IronDefenseStatus: Status
AnalystRating: LogSeverity
AnalystSeverity: DeviceCustomString1
IronDefenseAlertId: DeviceCustomString4
IronVueUrl: IronVueUrl
triggerOperator: gt
tactics:
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2024-01-01-preview",
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/3cf46cb9-99d5-42ee-a43c-7bd88ea394a1')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/3cf46cb9-99d5-42ee-a43c-7bd88ea394a1')]",
"properties": {
"alertDetailsOverride": {
"alertDescriptionFormat": "IronDefense detected suspicious activity on {{TimeGenerated}} and categorized it as \"{{AlertDescription}}\". View full details in IronVue: {{IronVueUrl}}\n",
"alertDisplayNameFormat": "{{Category}}: {{Subcategory}} ({{DeviceCustomString4}})\n",
"alertSeverityColumnName": "LogSeverity"
},
"alertRuleTemplateName": "3cf46cb9-99d5-42ee-a43c-7bd88ea394a1",
"customDetails": {
"AlertCreatedTime": "TimeGenerated",
"AnalystRating": "LogSeverity",
"AnalystSeverity": "DeviceCustomString1",
"IronDefenseAlertId": "DeviceCustomString4",
"IronDefenseStatus": "Status",
"IronVueUrl": "IronVueUrl"
},
"description": "'Creates incidents based on behavioral detections from IronDefense.'\n",
"displayName": "Create Incidents from IronDefense",
"enabled": true,
"entityMappings": [
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "DestinationIP",
"identifier": "Address"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "SourceIP",
"identifier": "Address"
}
]
},
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "DestinationHostName",
"identifier": "FullName"
}
]
},
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "SourceHostName",
"identifier": "FullName"
}
]
},
{
"entityType": "URL",
"fieldMappings": [
{
"columnName": "RequestURL",
"identifier": "Url"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "AlertPerResult"
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/IronNet IronDefense/Analytic Rules/IronDefense_Detection_Query.yaml",
"query": "CommonSecurityLog\n| where DeviceProduct == \"IronDefense\"\n| summarize arg_max(TimeGenerated, *) by DeviceCustomString4, DeviceCustomString2\n| extend Category = coalesce(column_ifexists(\"DeviceEventCategory\",\"\"),extract(@'cat=([^;]+)(\\;|$)', 1, AdditionalExtensions))\t\n| extend Subcategory = extract(@'subcat=([^;]+)(\\;|$)', 1, AdditionalExtensions)\n| extend AlertDescription = strcat(Category, ': ', Subcategory)\n| extend Status = tostring(DeviceCustomString2)\n| extend IronVueUrl = replace(@'\\\\', @'', tostring(DeviceCustomString3))\n",
"queryFrequency": "PT5M",
"queryPeriod": "PT5M",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": null,
"techniques": null,
"templateVersion": "1.0.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}