Vectra Create Incident Based on Tag for Accounts

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Id	87325835-dd8c-41e7-b686-fd5adbbd0aee
Rulename	Vectra Create Incident Based on Tag for Accounts
Description	Create an incident when the account entity presents a specific tag. If the tag is present, an incident should be created and marked with highest priority.
Severity	High
Tactics	Persistence
Techniques	T1546
Required data connectors	VectraXDR
Kind	Scheduled
Query frequency	10m
Query period	10m
Trigger threshold	0
Trigger operator	GreaterThan
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Create_Incident_Based_On_Tag_For_Account_Entity.yaml
Version	1.0.0
Arm template	87325835-dd8c-41e7-b686-fd5adbbd0aee.json

KQL

Entities_Data_CL
| where type_s == "account"
| extend Tags = todynamic(tags_s)
| where set_has_element(Tags, "MDR - Customer Escalation")
| summarize arg_max(['last_modified_timestamp_t'], *) by ['name_s']

YAML

eventGroupingSettings:
  aggregationKind: AlertPerResult
customDetails:
  entity_importance: entity_importance_d
  entity_id: id_d
  ip_address: ip_s
  attack_profile: attack_profile_s
  tags: tags_s
  entity_type: type_s
status: Available
id: 87325835-dd8c-41e7-b686-fd5adbbd0aee
query: |
  Entities_Data_CL
  | where type_s == "account"
  | extend Tags = todynamic(tags_s)
  | where set_has_element(Tags, "MDR - Customer Escalation")
  | summarize arg_max(['last_modified_timestamp_t'], *) by ['name_s']  
suppressionDuration: PT1H
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Create_Incident_Based_On_Tag_For_Account_Entity.yaml
description: Create an incident when the account entity presents a specific tag. If the tag is present, an incident should be created and marked with highest priority.
name: Vectra Create Incident Based on Tag for Accounts
incidentConfiguration:
  groupingConfiguration:
    matchingMethod: AllEntities
    groupByEntities:
    - Account
    groupByAlertDetails:
    - DisplayName
    enabled: true
    reopenClosedIncident: false
    lookbackDuration: P7D
  createIncident: true
suppressionEnabled: false
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: name_s
triggerThreshold: 0
severity: High
requiredDataConnectors:
- dataTypes:
  - Entities_Data_CL
  connectorId: VectraXDR
alertDetailsOverride:
  alertDescriptionFormat: An incident has been escalated for Vectra AI entity {{name_s}} that is presenting an urgency score of {{urgency_score_d}}
  alertDisplayNameFormat: Vectra AI Incident- {{name_s}}
queryFrequency: 10m
queryPeriod: 10m
version: 1.0.0
relevantTechniques:
- T1546
kind: Scheduled
tactics:
- Persistence
triggerOperator: GreaterThan

ARM

{
  "$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/87325835-dd8c-41e7-b686-fd5adbbd0aee')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/87325835-dd8c-41e7-b686-fd5adbbd0aee')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "An incident has been escalated for Vectra AI entity {{name_s}} that is presenting an urgency score of {{urgency_score_d}}",
          "alertDisplayNameFormat": "Vectra AI Incident- {{name_s}}"
        },
        "alertRuleTemplateName": "87325835-dd8c-41e7-b686-fd5adbbd0aee",
        "customDetails": {
          "attack_profile": "attack_profile_s",
          "entity_id": "id_d",
          "entity_importance": "entity_importance_d",
          "entity_type": "type_s",
          "ip_address": "ip_s",
          "tags": "tags_s"
        },
        "description": "Create an incident when the account entity presents a specific tag. If the tag is present, an incident should be created and marked with highest priority.",
        "displayName": "Vectra Create Incident Based on Tag for Accounts",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "name_s",
                "identifier": "Name"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByAlertDetails": [
              "DisplayName"
            ],
            "groupByEntities": [
              "Account"
            ],
            "lookbackDuration": "P7D",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Create_Incident_Based_On_Tag_For_Account_Entity.yaml",
        "query": "Entities_Data_CL\n| where type_s == \"account\"\n| extend Tags = todynamic(tags_s)\n| where set_has_element(Tags, \"MDR - Customer Escalation\")\n| summarize arg_max(['last_modified_timestamp_t'], *) by ['name_s']\n",
        "queryFrequency": "PT10M",
        "queryPeriod": "PT10M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Persistence"
        ],
        "techniques": [
          "T1546"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}