Create alerts based on recommended detections from ExtraHop
Id | cd65aebc-7e85-4cbb-9f91-ff0376c5d37d |
Rulename | Create alerts based on recommended detections from ExtraHop |
Description | This Analytic rule will generate alerts in Microsoft Sentinel for Recommended detections from ExtraHop. |
Severity | Medium |
Tactics | Persistence |
Techniques | T1546 |
Required data connectors | ExtraHop |
Kind | Scheduled |
Query frequency | 15m |
Query period | 15m |
Trigger threshold | 0 |
Trigger operator | GreaterThan |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ExtraHop/Analytic Rules/ExtraHopSentinelAlerts.yaml |
Version | 1.0.0 |
Arm template | cd65aebc-7e85-4cbb-9f91-ff0376c5d37d.json |
ExtraHopDetections
| where IsRecommended == true
status: Available
id: cd65aebc-7e85-4cbb-9f91-ff0376c5d37d
alertDetailsOverride:
alertDescriptionFormat: Alert from {{EventVendor}} for Detection {{Title}} for Id {{Id}}
alertDynamicProperties:
- alertProperty: AlertLink
columnName: Url
- alertProperty: Techniques
columnName: TechniqueIds
- alertProperty: ProductName
columnName: EventVendor
alertDisplayNameFormat: Alert from {{EventVendor}} for Detection {{Title}}
alertTacticsColumnName: TacticNames
alertSeverityColumnName: Severity
query: |
ExtraHopDetections
| where IsRecommended == true
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ExtraHop/Analytic Rules/ExtraHopSentinelAlerts.yaml
description: |
'This Analytic rule will generate alerts in Microsoft Sentinel for Recommended detections from ExtraHop.'
name: Create alerts based on recommended detections from ExtraHop
incidentConfiguration:
createIncident: false
relevantTechniques:
- T1546
entityMappings:
- entityType: Host
fieldMappings:
- identifier: HostName
columnName: SourceHostname
- entityType: Host
fieldMappings:
- identifier: HostName
columnName: DestinationHostname
- entityType: IP
fieldMappings:
- identifier: Address
columnName: SourceIpAddress
- entityType: IP
fieldMappings:
- identifier: Address
columnName: DestinationIpAddress
- entityType: Account
fieldMappings:
- identifier: Name
columnName: SourceUsername
- entityType: Account
fieldMappings:
- identifier: Name
columnName: DestinationUsername
triggerThreshold: 0
severity: Medium
requiredDataConnectors:
- dataTypes:
- ExtraHopDetections
connectorId: ExtraHop
eventGroupingSettings:
aggregationKind: AlertPerResult
queryFrequency: 15m
queryPeriod: 15m
version: 1.0.0
kind: Scheduled
tactics:
- Persistence
triggerOperator: GreaterThan
{
"$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/cd65aebc-7e85-4cbb-9f91-ff0376c5d37d')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/cd65aebc-7e85-4cbb-9f91-ff0376c5d37d')]",
"properties": {
"alertDetailsOverride": {
"alertDescriptionFormat": "Alert from {{EventVendor}} for Detection {{Title}} for Id {{Id}}",
"alertDisplayNameFormat": "Alert from {{EventVendor}} for Detection {{Title}}",
"alertDynamicProperties": [
{
"alertProperty": "AlertLink",
"columnName": "Url"
},
{
"alertProperty": "Techniques",
"columnName": "TechniqueIds"
},
{
"alertProperty": "ProductName",
"columnName": "EventVendor"
}
],
"alertSeverityColumnName": "Severity",
"alertTacticsColumnName": "TacticNames"
},
"alertRuleTemplateName": "cd65aebc-7e85-4cbb-9f91-ff0376c5d37d",
"customDetails": null,
"description": "'This Analytic rule will generate alerts in Microsoft Sentinel for Recommended detections from ExtraHop.'\n",
"displayName": "Create alerts based on recommended detections from ExtraHop",
"enabled": true,
"entityMappings": [
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "SourceHostname",
"identifier": "HostName"
}
]
},
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "DestinationHostname",
"identifier": "HostName"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "SourceIpAddress",
"identifier": "Address"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "DestinationIpAddress",
"identifier": "Address"
}
]
},
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "SourceUsername",
"identifier": "Name"
}
]
},
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "DestinationUsername",
"identifier": "Name"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "AlertPerResult"
},
"incidentConfiguration": {
"createIncident": false
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ExtraHop/Analytic Rules/ExtraHopSentinelAlerts.yaml",
"query": "ExtraHopDetections\n| where IsRecommended == true\n",
"queryFrequency": "PT15M",
"queryPeriod": "PT15M",
"severity": "Medium",
"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"
}
]
}