DigitalGuardianDLPEvent
| where DstPortNumber == 3389
| extend AccountCustomEntity = SrcUserName
name: Digital Guardian - Unexpected protocol
status: Available
triggerThreshold: 0
severity: High
tactics:
- Exfiltration
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/DigitalGuardianDLP/Analytic Rules/DigitalGuardianUnexpectedProtocol.yaml
entityMappings:
- entityType: Account
fieldMappings:
- columnName: AccountCustomEntity
identifier: Name
queryPeriod: 1h
queryFrequency: 1h
version: 1.0.0
triggerOperator: gt
description: |
'Detects RDP protocol usage for data transfer which is not common.'
query: |
DigitalGuardianDLPEvent
| where DstPortNumber == 3389
| extend AccountCustomEntity = SrcUserName
relevantTechniques:
- T1048
id: a14f2f95-bbd2-4036-ad59-e3aff132b296
requiredDataConnectors:
- dataTypes:
- DigitalGuardianDLPEvent
connectorId: DigitalGuardianDLP
kind: Scheduled
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2023-02-01-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/DigitalGuardianDLP/Analytic Rules/DigitalGuardianUnexpectedProtocol.yaml",
"query": "DigitalGuardianDLPEvent\n| where DstPortNumber == 3389\n| extend AccountCustomEntity = SrcUserName\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "High",
"status": "Available",
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Exfiltration"
],
"techniques": [
"T1048"
],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}