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

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

ARM