Microsoft Sentinel Analytic Rules
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Radiflow - Unauthorized Internet Access

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Idcc33e1a9-e167-460b-93e6-f14af652dbd3
RulenameRadiflow - Unauthorized Internet Access
DescriptionGenerates an incident when an unauthorized link between the network and the Internet is detected by Radiflow’s iSID.
SeverityMedium
TacticsInitialAccess
Impact
TechniquesT0822
T0883
T0882
Required data connectorsRadiflowIsid
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Radiflow/Analytic Rules/RadiflowUnauthorizedInternetAccess.yaml
Version1.0.0
Arm templatecc33e1a9-e167-460b-93e6-f14af652dbd3.json
Deploy To Azure
RadiflowEvent
| where DeviceProduct =~ 'iSID'
| where EventClassID in (55, 147, 193, 194)
suppressionEnabled: false
status: Available
id: cc33e1a9-e167-460b-93e6-f14af652dbd3
alertDetailsOverride:
  alertDescriptionFormat: "An external connection to the network has been detected. Please check whether this activity is legitimate and the external device is authorized to connect.\n\nMessage: {{EventMessage}}\nSource device: {{SourceIP}} \nDestination device (if any): {{DestinationIP}} "
  alertDynamicProperties: []
  alertSeverityColumnName: EventSeverity
  alertDisplayNameFormat: Unauthorized Internet Access
query: |
  RadiflowEvent
  | where DeviceProduct =~ 'iSID'
  | where EventClassID in (55, 147, 193, 194)  
suppressionDuration: 5h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Radiflow/Analytic Rules/RadiflowUnauthorizedInternetAccess.yaml
description: Generates an incident when an unauthorized link between the network and the Internet is detected by Radiflow's iSID.
name: Radiflow - Unauthorized Internet Access
incidentConfiguration:
  groupingConfiguration:
    matchingMethod: AllEntities
    groupByEntities: []
    groupByAlertDetails: []
    enabled: true
    reopenClosedIncident: false
    lookbackDuration: 1h
    groupByCustomDetails: []
  createIncident: true
relevantTechniques:
- T0822
- T0883
- T0882
entityMappings:
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: SourceHostName
  - identifier: NetBiosName
    columnName: SourceHostName
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: DestinationHostName
  - identifier: NetBiosName
    columnName: DestinationHostName
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: SourceIP
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: DestinationIP
triggerThreshold: 0
severity: Medium
requiredDataConnectors:
- dataTypes:
  - RadiflowEvent
  connectorId: RadiflowIsid
eventGroupingSettings:
  aggregationKind: AlertPerResult
queryFrequency: 1h
queryPeriod: 1h
version: 1.0.0
customDetails:
  SourceVLAN: SourceVLAN
  SourceMAC: SourceMACAddress
  Port: Port
  DestinationHostName: DestinationHostName
  SourceIP: SourceIP
  SourceHostName: SourceHostName
  SourceType: SourceType
  Protocol: Protocol
  SourceVendor: SourceVendor
  DestinationVendor: DestinationVendor
  DestinationIP: DestinationIP
  DestinationMAC: DestinationMACAddress
  DestinationType: DestinationType
kind: Scheduled
tactics:
- InitialAccess
- Impact
triggerOperator: gt
{
  "$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/cc33e1a9-e167-460b-93e6-f14af652dbd3')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/cc33e1a9-e167-460b-93e6-f14af652dbd3')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "An external connection to the network has been detected. Please check whether this activity is legitimate and the external device is authorized to connect.\n\nMessage: {{EventMessage}}\nSource device: {{SourceIP}} \nDestination device (if any): {{DestinationIP}} ",
          "alertDisplayNameFormat": "Unauthorized Internet Access",
          "alertDynamicProperties": [],
          "alertSeverityColumnName": "EventSeverity"
        },
        "alertRuleTemplateName": "cc33e1a9-e167-460b-93e6-f14af652dbd3",
        "customDetails": {
          "DestinationHostName": "DestinationHostName",
          "DestinationIP": "DestinationIP",
          "DestinationMAC": "DestinationMACAddress",
          "DestinationType": "DestinationType",
          "DestinationVendor": "DestinationVendor",
          "Port": "Port",
          "Protocol": "Protocol",
          "SourceHostName": "SourceHostName",
          "SourceIP": "SourceIP",
          "SourceMAC": "SourceMACAddress",
          "SourceType": "SourceType",
          "SourceVendor": "SourceVendor",
          "SourceVLAN": "SourceVLAN"
        },
        "description": "Generates an incident when an unauthorized link between the network and the Internet is detected by Radiflow's iSID.",
        "displayName": "Radiflow - Unauthorized Internet Access",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "SourceHostName",
                "identifier": "HostName"
              },
              {
                "columnName": "SourceHostName",
                "identifier": "NetBiosName"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "DestinationHostName",
                "identifier": "HostName"
              },
              {
                "columnName": "DestinationHostName",
                "identifier": "NetBiosName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "SourceIP",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "DestinationIP",
                "identifier": "Address"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByAlertDetails": [],
            "groupByCustomDetails": [],
            "groupByEntities": [],
            "lookbackDuration": "PT1H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Radiflow/Analytic Rules/RadiflowUnauthorizedInternetAccess.yaml",
        "query": "RadiflowEvent\n| where DeviceProduct =~ 'iSID'\n| where EventClassID in (55, 147, 193, 194)\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "Impact",
          "InitialAccess"
        ],
        "techniques": null,
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}