Vectra Create Incident Based on Priority for Accounts
Id | af6f2812-0187-4cc9-822a-952f8b5b6b7e |
Rulename | Vectra Create Incident Based on Priority for Accounts |
Description | Create an incident when an identity is suspected to be compromised. Vectra is using AI to prioritize an entity based on multiple factors (attack rating, velocity, breadth, importance.etc.). This layer of aggregation at the entity level provides a greater signal-to-noise ratio and help analyst focus on what matters. |
Severity | Medium |
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/Priority_Account.yaml |
Version | 1.0.1 |
Arm template | af6f2812-0187-4cc9-822a-952f8b5b6b7e.json |
Entities_Data_CL
| where type_s == "account" and is_prioritized_b == true
| summarize arg_max(['last_modified_timestamp_t'], *) by ['name_s']
suppressionEnabled: false
alertDetailsOverride:
alertDisplayNameFormat: Vectra AI Incident- {{name_s}}
alertDescriptionFormat: An incident has been generated for Vectra AI entity {{name_s}} that is presenting an urgency score of {{urgency_score_d}}.
alertDynamicProperties:
- value: url_s
alertProperty: AlertLink
suppressionDuration: PT1H
requiredDataConnectors:
- connectorId: VectraXDR
dataTypes:
- Entities_Data_CL
severity: Medium
queryFrequency: 10m
id: af6f2812-0187-4cc9-822a-952f8b5b6b7e
relevantTechniques:
- T1546
queryPeriod: 10m
name: Vectra Create Incident Based on Priority for Accounts
status: Available
kind: Scheduled
incidentConfiguration:
createIncident: true
groupingConfiguration:
lookbackDuration: P7D
reopenClosedIncident: true
enabled: true
matchingMethod: AllEntities
tactics:
- Persistence
triggerThreshold: 0
triggerOperator: GreaterThan
version: 1.0.1
entityMappings:
- entityType: Account
fieldMappings:
- columnName: name_s
identifier: Name
eventGroupingSettings:
aggregationKind: AlertPerResult
customDetails:
entity_importance: entity_importance_d
attack_profile: attack_profile_s
entity_id: id_d
ip_address: ip_s
entity_type: type_s
tags: tags_s
description: Create an incident when an identity is suspected to be compromised. Vectra is using AI to prioritize an entity based on multiple factors (attack rating, velocity, breadth, importance.etc.). This layer of aggregation at the entity level provides a greater signal-to-noise ratio and help analyst focus on what matters.
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Priority_Account.yaml
query: |
Entities_Data_CL
| where type_s == "account" and is_prioritized_b == true
| summarize arg_max(['last_modified_timestamp_t'], *) by ['name_s']
{
"$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/af6f2812-0187-4cc9-822a-952f8b5b6b7e')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/af6f2812-0187-4cc9-822a-952f8b5b6b7e')]",
"properties": {
"alertDetailsOverride": {
"alertDescriptionFormat": "An incident has been generated for Vectra AI entity {{name_s}} that is presenting an urgency score of {{urgency_score_d}}.",
"alertDisplayNameFormat": "Vectra AI Incident- {{name_s}}",
"alertDynamicProperties": [
{
"alertProperty": "AlertLink",
"value": "url_s"
}
]
},
"alertRuleTemplateName": "af6f2812-0187-4cc9-822a-952f8b5b6b7e",
"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 an identity is suspected to be compromised. Vectra is using AI to prioritize an entity based on multiple factors (attack rating, velocity, breadth, importance.etc.). This layer of aggregation at the entity level provides a greater signal-to-noise ratio and help analyst focus on what matters.",
"displayName": "Vectra Create Incident Based on Priority for Accounts",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "name_s",
"identifier": "Name"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "AlertPerResult"
},
"incidentConfiguration": {
"createIncident": true,
"groupingConfiguration": {
"enabled": true,
"lookbackDuration": "P7D",
"matchingMethod": "AllEntities",
"reopenClosedIncident": true
}
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Vectra XDR/Analytic Rules/Priority_Account.yaml",
"query": "Entities_Data_CL\n| where type_s == \"account\" and is_prioritized_b == true\n| summarize arg_max(['last_modified_timestamp_t'], *) by ['name_s']\n",
"queryFrequency": "PT10M",
"queryPeriod": "PT10M",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Persistence"
],
"techniques": [
"T1546"
],
"templateVersion": "1.0.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}