Digital Guardian - Unexpected protocol

DigitalGuardianDLPEvent
| where DstPortNumber == 3389
| extend AccountCustomEntity = SrcUserName

kind: Scheduled
relevantTechniques:
- T1048
description: |
    'Detects RDP protocol usage for data transfer which is not common.'
queryPeriod: 1h
queryFrequency: 1h
tactics:
- Exfiltration
name: Digital Guardian - Unexpected protocol
requiredDataConnectors:
- connectorId: DigitalGuardianDLP
  dataTypes:
  - DigitalGuardianDLPEvent
- connectorId: SyslogAma
  datatypes:
  - Syslog
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: AccountCustomEntity
triggerThreshold: 0
version: 1.0.1
id: a14f2f95-bbd2-4036-ad59-e3aff132b296
query: |
  DigitalGuardianDLPEvent
  | where DstPortNumber == 3389
  | extend AccountCustomEntity = SrcUserName  
status: Available
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Digital Guardian Data Loss Prevention/Analytic Rules/DigitalGuardianUnexpectedProtocol.yaml
severity: High

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/a14f2f95-bbd2-4036-ad59-e3aff132b296')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a14f2f95-bbd2-4036-ad59-e3aff132b296')]",
      "properties": {
        "alertRuleTemplateName": "a14f2f95-bbd2-4036-ad59-e3aff132b296",
        "customDetails": null,
        "description": "'Detects RDP protocol usage for data transfer which is not common.'\n",
        "displayName": "Digital Guardian - Unexpected protocol",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Digital Guardian Data Loss Prevention/Analytic Rules/DigitalGuardianUnexpectedProtocol.yaml",
        "query": "DigitalGuardianDLPEvent\n| where DstPortNumber == 3389\n| extend AccountCustomEntity = SrcUserName\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Exfiltration"
        ],
        "techniques": [
          "T1048"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}