Radiflow - Unauthorized Internet Access

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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

KQL

RadiflowEvent
| where DeviceProduct =~ 'iSID'
| where EventClassID in (55, 147, 193, 194)

YAML

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

ARM