Radiflow - Policy Violation Detected

Back


Id	a3f4cc3e-2403-4570-8d21-1dedd5632958
Rulename	Radiflow - Policy Violation Detected
Description	Generates an incident when an unauthorized session or action is detected either by Radiflow’s iSID.
Severity	Medium
Tactics	LateralMovement ImpairProcessControl Execution Collection Persistence
Techniques	T0886 T0855 T0858 T0845 T0889 T0843
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/RadiflowPolicyViolationDetected.yaml
Version	1.0.0
Arm template	a3f4cc3e-2403-4570-8d21-1dedd5632958.json

KQL

RadiflowEvent
| where DeviceProduct =~ 'iSID'
| where EventClassID in (5, 156, 161, 169, 171, 182, 183, 184, 185)
| extend EventMessage = iif(EventMessage == ' ', 'Policy Violation', EventMessage)

YAML

suppressionEnabled: false
suppressionDuration: 5h
version: 1.0.0
customDetails:
  DestinationIP: DestinationIP
  SourceVLAN: SourceVLAN
  SourceMAC: SourceMACAddress
  Protocol: Protocol
  DestinationVendor: DestinationVendor
  SourceHostName: SourceHostName
  DestinationHostName: DestinationHostName
  SourceVendor: SourceVendor
  SourceType: SourceType
  SourceIP: SourceIP
  Port: Port
  DestinationType: DestinationType
  DestinationMAC: DestinationMACAddress
relevantTechniques:
- T0886
- T0855
- T0858
- T0845
- T0889
- T0843
entityMappings:
- entityType: Host
  fieldMappings:
  - identifier: NetBiosName
    columnName: SourceHostName
  - identifier: HostName
    columnName: SourceHostName
- entityType: Host
  fieldMappings:
  - identifier: NetBiosName
    columnName: DestinationHostName
  - identifier: HostName
    columnName: DestinationHostName
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: SourceIP
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: DestinationIP
name: Radiflow - Policy Violation Detected
id: a3f4cc3e-2403-4570-8d21-1dedd5632958
status: Available
triggerOperator: gt
requiredDataConnectors:
- connectorId: RadiflowIsid
  dataTypes:
  - RadiflowEvent
alertDetailsOverride:
  alertDynamicProperties: []
  alertSeverityColumnName: EventSeverity
  alertDescriptionFormat: Recent activity which violates the security policy has been detected in the network. Please check the details for additional information.
  alertDisplayNameFormat: Policy Violation Detected
tactics:
- LateralMovement
- ImpairProcessControl
- Execution
- Collection
- Persistence
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Radiflow/Analytic Rules/RadiflowPolicyViolationDetected.yaml
queryFrequency: 1h
eventGroupingSettings:
  aggregationKind: AlertPerResult
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    matchingMethod: AllEntities
    groupByCustomDetails: []
    groupByAlertDetails: []
    enabled: true
    groupByEntities: []
    lookbackDuration: 1h
  createIncident: true
query: |
  RadiflowEvent
  | where DeviceProduct =~ 'iSID'
  | where EventClassID in (5, 156, 161, 169, 171, 182, 183, 184, 185)
  | extend EventMessage = iif(EventMessage == ' ', 'Policy Violation', EventMessage)  
queryPeriod: 1h
severity: Medium
kind: Scheduled
triggerThreshold: 0
description: |
    'Generates an incident when an unauthorized session or action is detected either by Radiflow's iSID.'

ARM