Cloudflare - Client request from country in blocklist

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Id	40554544-6e4a-4413-8d14-bf2de939c5d9
Rulename	Cloudflare - Client request from country in blocklist
Description	Detects requests from countries which are in blocklist.
Severity	Medium
Tactics	InitialAccess
Techniques	T1190 T1133
Required data connectors	CloudflareDataConnector
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/Cloudflare/Analytic Rules/CloudflareUnexpectedCountry.yaml
Version	1.0.0
Arm template	40554544-6e4a-4413-8d14-bf2de939c5d9.json

KQL

let bl_countries = dynamic(['cn', 'hk']);
Cloudflare
| where SrcGeoCountry in~ (bl_countries)
| extend IPCustomEntity = SrcIpAddr
| extend UrlCustomEntity = ClientRequestURI

YAML

description: |
    'Detects requests from countries which are in blocklist.'
version: 1.0.0
triggerThreshold: 0
tactics:
- InitialAccess
queryPeriod: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cloudflare/Analytic Rules/CloudflareUnexpectedCountry.yaml
triggerOperator: gt
status: Available
id: 40554544-6e4a-4413-8d14-bf2de939c5d9
name: Cloudflare - Client request from country in blocklist
queryFrequency: 1h
severity: Medium
kind: Scheduled
entityMappings:
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
- fieldMappings:
  - columnName: UrlCustomEntity
    identifier: Url
  entityType: URL
relevantTechniques:
- T1190
- T1133
query: |
  let bl_countries = dynamic(['cn', 'hk']);
  Cloudflare
  | where SrcGeoCountry in~ (bl_countries)
  | extend IPCustomEntity = SrcIpAddr
  | extend UrlCustomEntity = ClientRequestURI  
requiredDataConnectors:
- dataTypes:
  - Cloudflare
  connectorId: CloudflareDataConnector

ARM