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

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

ARM