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

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

ARM