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

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

ARM