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	1.0.1
Arm template	40554544-6e4a-4413-8d14-bf2de939c5d9.json

KQL

let bl_countries = dynamic(['cn', 'hk']);
Cloudflare
| where SrcGeoCountry in~ (bl_countries)
| extend CompleteUrl = strcat(HttpRequestHeaderHost,ClientRequestPath)

YAML

relevantTechniques:
- T1190
- T1133
entityMappings:
- entityType: IP
  fieldMappings:
  - columnName: SrcIpAddr
    identifier: Address
- entityType: URL
  fieldMappings:
  - columnName: CompleteUrl
    identifier: Url
version: 1.0.1
id: 40554544-6e4a-4413-8d14-bf2de939c5d9
severity: Medium
kind: Scheduled
queryFrequency: 1h
description: |
    'Detects requests from countries which are in blocklist.'
requiredDataConnectors:
- connectorId: CloudflareDataConnector
  dataTypes:
  - Cloudflare
triggerOperator: gt
name: Cloudflare - Client request from country in blocklist
tactics:
- InitialAccess
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cloudflare/Analytic Rules/CloudflareUnexpectedCountry.yaml
triggerThreshold: 0
queryPeriod: 1h
query: |
  let bl_countries = dynamic(['cn', 'hk']);
  Cloudflare
  | where SrcGeoCountry in~ (bl_countries)
  | extend CompleteUrl = strcat(HttpRequestHeaderHost,ClientRequestPath)  
status: Available

ARM