Generate alerts based on ExtraHop detections recommended for triage
Id | cd65aebc-7e85-4cbb-9f91-ff0376c5d37d |
Rulename | Generate alerts based on ExtraHop detections recommended for triage |
Description | This analytics rule will generate alerts in Microsoft Sentinel for detections from ExtraHop that are recommended for triage. |
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 | 1.0.1 |
Arm template | cd65aebc-7e85-4cbb-9f91-ff0376c5d37d.json |
ExtraHopDetections
| where IsRecommended == true
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/ExtraHop/Analytic Rules/ExtraHopSentinelAlerts.yaml
query: |
ExtraHopDetections
| where IsRecommended == true
description: |
'This analytics rule will generate alerts in Microsoft Sentinel for detections from ExtraHop that are recommended for triage.'
severity: Medium
requiredDataConnectors:
- dataTypes:
- ExtraHopDetections
connectorId: ExtraHop
incidentConfiguration:
createIncident: false
eventGroupingSettings:
aggregationKind: AlertPerResult
name: Generate alerts based on ExtraHop detections recommended for triage
triggerThreshold: 0
version: 1.0.1
tactics:
- Persistence
alertDetailsOverride:
alertSeverityColumnName: Severity
alertDescriptionFormat: Alert from {{EventVendor}} for Detection {{Title}} for Id {{Id}}
alertDynamicProperties:
- columnName: Url
alertProperty: AlertLink
- columnName: TechniqueIds
alertProperty: Techniques
- columnName: EventVendor
alertProperty: ProductName
alertDisplayNameFormat: Alert from {{EventVendor}} for Detection {{Title}}
alertTacticsColumnName: TacticNames
relevantTechniques:
- T1546
triggerOperator: GreaterThan
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
id: cd65aebc-7e85-4cbb-9f91-ff0376c5d37d
status: Available
kind: Scheduled
queryFrequency: 15m
queryPeriod: 15m
{
"$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 analytics rule will generate alerts in Microsoft Sentinel for detections from ExtraHop that are recommended for triage.'\n",
"displayName": "Generate alerts based on ExtraHop detections recommended for triage",
"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": "1.0.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}