let dyndns = dynamic(['noip.com', 'dynu.com', 'dyn.com', 'dynv6.com']);
GCPCloudDNS
| where Query in~ (dyndns)
| extend DNSCustomEntity = Query, IPCustomEntity = SrcIpAddr
entityMappings:
- fieldMappings:
- columnName: DNSCustomEntity
identifier: DomainName
entityType: DNS
- fieldMappings:
- columnName: IPCustomEntity
identifier: Address
entityType: IP
triggerOperator: gt
tactics:
- CommandAndControl
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GoogleCloudPlatformDNS/Analytic Rules/GCPDNSIpDynDns.yaml
version: 1.0.0
triggerThreshold: 0
relevantTechniques:
- T1095
queryPeriod: 1h
query: |
let dyndns = dynamic(['noip.com', 'dynu.com', 'dyn.com', 'dynv6.com']);
GCPCloudDNS
| where Query in~ (dyndns)
| extend DNSCustomEntity = Query, IPCustomEntity = SrcIpAddr
severity: Medium
kind: Scheduled
name: Google DNS - Request to dynamic DNS service
queryFrequency: 1h
id: 09fc03e0-daec-4b22-8afa-4bba30d7e909
description: |
'Detects requests to ip lookup resources.'
requiredDataConnectors:
- dataTypes:
- GCPCloudDNS
connectorId: GCPDNSDataConnector