Radiflow - Unauthorized Internet Access
Id | cc33e1a9-e167-460b-93e6-f14af652dbd3 |
Rulename | Radiflow - Unauthorized Internet Access |
Description | Generates an incident when an unauthorized link between the network and the Internet is detected by Radiflow’s iSID. |
Severity | Medium |
Tactics | InitialAccess Impact |
Techniques | T0822 T0883 T0882 |
Required data connectors | RadiflowIsid |
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/Radiflow/Analytic Rules/RadiflowUnauthorizedInternetAccess.yaml |
Version | 1.0.0 |
Arm template | cc33e1a9-e167-460b-93e6-f14af652dbd3.json |
RadiflowEvent
| where DeviceProduct =~ 'iSID'
| where EventClassID in (55, 147, 193, 194)
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
version: 1.0.0
queryPeriod: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Radiflow/Analytic Rules/RadiflowUnauthorizedInternetAccess.yaml
id: cc33e1a9-e167-460b-93e6-f14af652dbd3
suppressionDuration: 5h
incidentConfiguration:
createIncident: true
groupingConfiguration:
groupByCustomDetails: []
enabled: true
reopenClosedIncident: false
groupByAlertDetails: []
lookbackDuration: 1h
matchingMethod: AllEntities
groupByEntities: []
triggerThreshold: 0
kind: Scheduled
severity: Medium
description: Generates an incident when an unauthorized link between the network and the Internet is detected by Radiflow's iSID.
triggerOperator: gt
alertDetailsOverride:
alertSeverityColumnName: EventSeverity
alertDisplayNameFormat: Unauthorized Internet Access
alertDynamicProperties: []
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}} "
tactics:
- InitialAccess
- Impact
queryFrequency: 1h
suppressionEnabled: false
query: |
RadiflowEvent
| where DeviceProduct =~ 'iSID'
| where EventClassID in (55, 147, 193, 194)
requiredDataConnectors:
- connectorId: RadiflowIsid
dataTypes:
- RadiflowEvent
eventGroupingSettings:
aggregationKind: AlertPerResult
customDetails:
Port: Port
SourceType: SourceType
DestinationType: DestinationType
SourceVLAN: SourceVLAN
DestinationIP: DestinationIP
SourceIP: SourceIP
SourceMAC: SourceMACAddress
Protocol: Protocol
DestinationMAC: DestinationMACAddress
DestinationHostName: DestinationHostName
SourceVendor: SourceVendor
DestinationVendor: DestinationVendor
SourceHostName: SourceHostName
relevantTechniques:
- T0822
- T0883
- T0882
name: Radiflow - Unauthorized Internet Access
status: Available
{
"$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"
}
]
}