Vectra Create Incident Based on Tag for Accounts | Microsoft Sentinel Analytic Rules

Back


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%20XDR/Analytic%20Rules/Create_Incident_Based_On_Tag_For_Account_Entity.yaml
Version	1.1.0
Arm template	87325835-dd8c-41e7-b686-fd5adbbd0aee.json

KQL

Entities_Data_CL
| where entity_type == "account"
| extend Tags = todynamic(tags)
| where set_has_element(Tags, "MDR - Customer Escalation")
| summarize arg_max(['last_modified_timestamp'], *) by ['name']

YAML

requiredDataConnectors:
- dataTypes:
  - Entities_Data_CL
  connectorId: VectraXDR
tactics:
- Persistence
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.
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    groupByAlertDetails:
    - DisplayName
    groupByEntities:
    - Account
    matchingMethod: AllEntities
    enabled: true
    reopenClosedIncident: false
    lookbackDuration: P7D
queryPeriod: 10m
severity: High
customDetails:
  entity_type: entity_type
  ip_address: ip
  attack_profile: attack_profile
  tags: tags
  entity_id: id
queryFrequency: 10m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra%20XDR/Analytic%20Rules/Create_Incident_Based_On_Tag_For_Account_Entity.yaml
kind: Scheduled
id: 87325835-dd8c-41e7-b686-fd5adbbd0aee
triggerOperator: GreaterThan
alertDetailsOverride:
  alertDescriptionFormat: An incident has been escalated for Vectra AI entity {{name}} that is presenting an urgency score of {{urgency_score}}
  alertDisplayNameFormat: Vectra AI Incident- {{name}}
status: Available
relevantTechniques:
- T1546
suppressionDuration: PT1H
triggerThreshold: 0
eventGroupingSettings:
  aggregationKind: AlertPerResult
suppressionEnabled: false
version: 1.1.0
name: Vectra Create Incident Based on Tag for Accounts
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: name
    identifier: Name
query: |
  Entities_Data_CL
  | where entity_type == "account"
  | extend Tags = todynamic(tags)
  | where set_has_element(Tags, "MDR - Customer Escalation")
  | summarize arg_max(['last_modified_timestamp'], *) by ['name']

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}} that is presenting an urgency score of {{urgency_score}}",
          "alertDisplayNameFormat": "Vectra AI Incident- {{name}}"
        },
        "alertRuleTemplateName": "87325835-dd8c-41e7-b686-fd5adbbd0aee",
        "customDetails": {
          "attack_profile": "attack_profile",
          "entity_id": "id",
          "entity_type": "entity_type",
          "ip_address": "ip",
          "tags": "tags"
        },
        "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",
                "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%20XDR/Analytic%20Rules/Create_Incident_Based_On_Tag_For_Account_Entity.yaml",
        "query": "Entities_Data_CL\n| where entity_type == \"account\"\n| extend Tags = todynamic(tags)\n| where set_has_element(Tags, \"MDR - Customer Escalation\")\n| summarize arg_max(['last_modified_timestamp'], *) by ['name']\n",
        "queryFrequency": "PT10M",
        "queryPeriod": "PT10M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Persistence"
        ],
        "techniques": [
          "T1546"
        ],
        "templateVersion": "1.1.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}