Claroty - Critical baseline deviation
Id | 9a8b4321-e2be-449b-8227-a78227441b2a |
Rulename | Claroty - Critical baseline deviation |
Description | Detects when critical deviation from baseline occurs. |
Severity | High |
Tactics | Impact |
Techniques | T1529 |
Required data connectors | Claroty ClarotyAma |
Kind | Scheduled |
Query frequency | 1h |
Query period | 1h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotyCriticalBaselineDeviation.yaml |
Version | 1.0.1 |
Arm template | 9a8b4321-e2be-449b-8227-a78227441b2a.json |
ClarotyEvent
| where EventOriginalType has 'Baseline Deviation' or EventType has 'Baseline Deviation'
| where EventSeverity == '5'
| project TimeGenerated, DstIpAddr
| extend IPCustomEntity = DstIpAddr
version: 1.0.1
name: Claroty - Critical baseline deviation
severity: High
queryFrequency: 1h
kind: Scheduled
queryPeriod: 1h
description: |
'Detects when critical deviation from baseline occurs.'
query: |
ClarotyEvent
| where EventOriginalType has 'Baseline Deviation' or EventType has 'Baseline Deviation'
| where EventSeverity == '5'
| project TimeGenerated, DstIpAddr
| extend IPCustomEntity = DstIpAddr
tactics:
- Impact
triggerOperator: gt
entityMappings:
- entityType: IP
fieldMappings:
- columnName: IPCustomEntity
identifier: Address
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotyCriticalBaselineDeviation.yaml
requiredDataConnectors:
- connectorId: Claroty
dataTypes:
- ClarotyEvent
- connectorId: ClarotyAma
dataTypes:
- ClarotyEvent
status: Available
relevantTechniques:
- T1529
id: 9a8b4321-e2be-449b-8227-a78227441b2a
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/9a8b4321-e2be-449b-8227-a78227441b2a')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/9a8b4321-e2be-449b-8227-a78227441b2a')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01-preview",
"properties": {
"displayName": "Claroty - Critical baseline deviation",
"description": "'Detects when critical deviation from baseline occurs.'\n",
"severity": "High",
"enabled": true,
"query": "ClarotyEvent\n| where EventOriginalType has 'Baseline Deviation' or EventType has 'Baseline Deviation'\n| where EventSeverity == '5'\n| project TimeGenerated, DstIpAddr\n| extend IPCustomEntity = DstIpAddr\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Impact"
],
"techniques": [
"T1529"
],
"alertRuleTemplateName": "9a8b4321-e2be-449b-8227-a78227441b2a",
"customDetails": null,
"entityMappings": [
{
"fieldMappings": [
{
"columnName": "IPCustomEntity",
"identifier": "Address"
}
],
"entityType": "IP"
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotyCriticalBaselineDeviation.yaml",
"templateVersion": "1.0.1",
"status": "Available"
}
}
]
}