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

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

ARM