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
TechniquesT1021
T1071
Required data connectorsCefAma
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
Version1.2.3
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=(.+?)($|;)", 1, AdditionalExtensions),
                          ""
                      )
| project-rename vectra_URL = DeviceCustomString4
| sort by TimeGenerated
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra AI Detect/Analytic Rules/VectraDetect-NewCampaign.yaml
queryPeriod: 5m
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
alertDetailsOverride:
  alertDescriptionFormat: |
        A new campaign named {{Activity}} has been detected (reason is {{reason}})
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: vectra_URL
  - alertProperty: ProductName
    value: DeviceProduct
  - alertProperty: ProviderName
    value: DeviceVendor
  alertDisplayNameFormat: Vectra AI - New Campaign Detected
relevantTechniques:
- T1021
- T1071
queryFrequency: 5m
customDetails:
  CampaignSourceHost: SourceHostName
  CampaignName: Activity
  CampaignReason: reason
entityMappings:
- entityType: DNS
  fieldMappings:
  - columnName: Activity
    identifier: DomainName
kind: Scheduled
query: |
  CommonSecurityLog
  | where DeviceVendor == "Vectra Networks"
  | where DeviceProduct == "X Series"
  | where DeviceEventClassID contains "campaign"
  | where DeviceAction == "START"
  | extend reason = coalesce(
                            column_ifexists("Reason", ""), 
                            extract("reason=(.+?)($|;)", 1, AdditionalExtensions),
                            ""
                        )
  | project-rename vectra_URL = DeviceCustomString4
  | sort by TimeGenerated  
id: a34d0338-eda0-42b5-8b93-32aae0d7a501
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.'
name: Vectra AI Detect - New Campaign Detected
incidentConfiguration:
  groupingConfiguration:
    enabled: true
    lookbackDuration: 7d
    matchingMethod: AllEntities
    reopenClosedIncident: true
  createIncident: true
tactics:
- LateralMovement
- CommandAndControl
version: 1.2.3
severity: Medium
status: Available
triggerThreshold: 0
{
  "$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/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",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CommandAndControl",
          "LateralMovement"
        ],
        "techniques": [
          "T1021",
          "T1071"
        ],
        "templateVersion": "1.2.3",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}