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