Digital Guardian - Unexpected protocol

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Id	a14f2f95-bbd2-4036-ad59-e3aff132b296
Rulename	Digital Guardian - Unexpected protocol
Description	Detects RDP protocol usage for data transfer which is not common.
Severity	High
Tactics	Exfiltration
Techniques	T1048
Required data connectors	SyslogAma
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/Digital Guardian Data Loss Prevention/Analytic Rules/DigitalGuardianUnexpectedProtocol.yaml
Version	1.0.2
Arm template	a14f2f95-bbd2-4036-ad59-e3aff132b296.json

KQL

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

YAML

OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Digital Guardian Data Loss Prevention/Analytic Rules/DigitalGuardianUnexpectedProtocol.yaml
queryPeriod: 1h
description: |
    'Detects RDP protocol usage for data transfer which is not common.'
triggerThreshold: 0
name: Digital Guardian - Unexpected protocol
triggerOperator: gt
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: AccountCustomEntity
kind: Scheduled
requiredDataConnectors:
- connectorId: SyslogAma
  datatypes:
  - Syslog
queryFrequency: 1h
tactics:
- Exfiltration
id: a14f2f95-bbd2-4036-ad59-e3aff132b296
status: Available
version: 1.0.2
query: |
  DigitalGuardianDLPEvent
  | where DstPortNumber == 3389
  | extend AccountCustomEntity = SrcUserName  
severity: High
relevantTechniques:
- T1048

ARM