Microsoft Sentinel Analytic Rules
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Vectra AI Detect - New Campaign Detected

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Ida34d0338-eda0-42b5-8b93-32aae0d7a501
RulenameVectra AI Detect - New Campaign Detected
DescriptionIdentifies when a new Campaign has been detected. This occurs when multiple Detections accross different Hosts are suspected to be part of the same Attack Campaign.
SeverityMedium
TacticsLateralMovement
CommandAndControl
Required data connectorsAIVectraDetect
AIVectraDetectAma
KindScheduled
Query frequency5m
Query period5m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra AI Detect/Analytic Rules/VectraDetect-NewCampaign.yaml
Version1.1.7
Arm templatea34d0338-eda0-42b5-8b93-32aae0d7a501.json
Deploy To Azure
CommonSecurityLog
| where DeviceVendor == "Vectra Networks"
| where DeviceProduct == "X Series"
| where DeviceEventClassID contains "campaign"
| where DeviceAction == "START"
| extend reason = coalesce(
                          column_ifexists("Reason", ""), 
                          extract("reason=(.+?)($|;)", 1, AdditionalExtensions),
                          ""
                      )
| project-rename vectra_URL = DeviceCustomString4
| sort by TimeGenerated
name: Vectra AI Detect - New Campaign Detected
triggerOperator: gt
status: Available
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra AI Detect/Analytic Rules/VectraDetect-NewCampaign.yaml
relevantTechniques: 
query: |
  CommonSecurityLog
  | where DeviceVendor == "Vectra Networks"
  | where DeviceProduct == "X Series"
  | where DeviceEventClassID contains "campaign"
  | where DeviceAction == "START"
  | extend reason = coalesce(
                            column_ifexists("Reason", ""), 
                            extract("reason=(.+?)($|;)", 1, AdditionalExtensions),
                            ""
                        )
  | project-rename vectra_URL = DeviceCustomString4
  | sort by TimeGenerated  
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    enabled: true
    lookbackDuration: 7d
    matchingMethod: AllEntities
    reopenClosedIncident: true
kind: Scheduled
description: |
    'Identifies when a new Campaign has been detected.  This occurs when multiple Detections accross different Hosts are suspected to be part of the same Attack Campaign.'
triggerThreshold: 0
id: a34d0338-eda0-42b5-8b93-32aae0d7a501
customDetails:
  CampaignName: Activity
  CampaignReason: reason
  CampaignSourceHost: SourceHostName
alertDetailsOverride:
  alertDisplayNameFormat: Vectra AI - New Campaign Detected
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: vectra_URL
  - alertProperty: ProductName
    value: DeviceProduct
  - alertProperty: ProviderName
    value: DeviceVendor
  alertDescriptionFormat: |
        A new campaign named {{Activity}} has been detected (reason is {{reason}})
severity: Medium
version: 1.1.7
entityMappings:
- fieldMappings:
  - identifier: DomainName
    columnName: Activity
  entityType: DNS
queryFrequency: 5m
queryPeriod: 5m
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: AIVectraDetect
- dataTypes:
  - CommonSecurityLog
  connectorId: AIVectraDetectAma
tactics:
- LateralMovement
- CommandAndControl
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/a34d0338-eda0-42b5-8b93-32aae0d7a501')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a34d0338-eda0-42b5-8b93-32aae0d7a501')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "A new campaign named {{Activity}} has been detected (reason is {{reason}})\n",
          "alertDisplayNameFormat": "Vectra AI - New Campaign Detected",
          "alertDynamicProperties": [
            {
              "alertProperty": "AlertLink",
              "value": "vectra_URL"
            },
            {
              "alertProperty": "ProductName",
              "value": "DeviceProduct"
            },
            {
              "alertProperty": "ProviderName",
              "value": "DeviceVendor"
            }
          ]
        },
        "alertRuleTemplateName": "a34d0338-eda0-42b5-8b93-32aae0d7a501",
        "customDetails": {
          "CampaignName": "Activity",
          "CampaignReason": "reason",
          "CampaignSourceHost": "SourceHostName"
        },
        "description": "'Identifies when a new Campaign has been detected.  This occurs when multiple Detections accross different Hosts are suspected to be part of the same Attack Campaign.'\n",
        "displayName": "Vectra AI Detect - New Campaign Detected",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "DNS",
            "fieldMappings": [
              {
                "columnName": "Activity",
                "identifier": "DomainName"
              }
            ]
          }
        ],
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "lookbackDuration": "P7D",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": true
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra AI Detect/Analytic Rules/VectraDetect-NewCampaign.yaml",
        "query": "CommonSecurityLog\n| where DeviceVendor == \"Vectra Networks\"\n| where DeviceProduct == \"X Series\"\n| where DeviceEventClassID contains \"campaign\"\n| where DeviceAction == \"START\"\n| extend reason = coalesce(\n                          column_ifexists(\"Reason\", \"\"), \n                          extract(\"reason=(.+?)($|;)\", 1, AdditionalExtensions),\n                          \"\"\n                      )\n| project-rename vectra_URL = DeviceCustomString4\n| sort by TimeGenerated\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "Medium",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CommandAndControl",
          "LateralMovement"
        ],
        "techniques": null,
        "templateVersion": "1.1.7",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}