GCPCloudDNS
| where Query has 'webhook.site'
| extend DNSCustomEntity = Query, IPCustomEntity = SrcIpAddr
name: Google DNS - Possible data exfiltration
query: |
GCPCloudDNS
| where Query has 'webhook.site'
| extend DNSCustomEntity = Query, IPCustomEntity = SrcIpAddr
entityMappings:
- entityType: DNS
fieldMappings:
- columnName: DNSCustomEntity
identifier: DomainName
- entityType: IP
fieldMappings:
- columnName: IPCustomEntity
identifier: Address
queryPeriod: 15m
tactics:
- Exfiltration
triggerOperator: gt
kind: Scheduled
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GoogleCloudPlatformDNS/Analytic Rules/GCPDNSDataExfiltration.yaml
relevantTechniques:
- T1567
id: 705bed63-668f-4508-9d2d-26faf4010700
severity: High
requiredDataConnectors:
- connectorId: GCPDNSDataConnector
dataTypes:
- GCPCloudDNS
version: 1.0.0
description: |
'Detects possible data exfiltration.'
queryFrequency: 15m