Cloudflare - Client request from country in blocklist

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Id	40554544-6e4a-4413-8d14-bf2de939c5d0
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 CCF/Analytic Rules/CloudflareCCFUnexpectedCountry.yaml
Version	1.0.1
Arm template	40554544-6e4a-4413-8d14-bf2de939c5d0.json

KQL

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

YAML

requiredDataConnectors:
- dataTypes:
  - Cloudflare
  connectorId: CloudflareDataConnector
queryPeriod: 1h
triggerThreshold: 0
queryFrequency: 1h
version: 1.0.1
status: Available
severity: Medium
description: |
    'Detects requests from countries which are in blocklist.'
name: Cloudflare - Client request from country in blocklist
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: SrcIpAddr
  entityType: IP
- fieldMappings:
  - identifier: Url
    columnName: CompleteUrl
  entityType: URL
triggerOperator: gt
id: 40554544-6e4a-4413-8d14-bf2de939c5d0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cloudflare CCF/Analytic Rules/CloudflareCCFUnexpectedCountry.yaml
tactics:
- InitialAccess
relevantTechniques:
- T1190
- T1133
kind: Scheduled
query: |
  let bl_countries = dynamic(['cn', 'hk']);
  Cloudflare
  | where SrcGeoCountry in~ (bl_countries)
  | extend CompleteUrl = strcat(HttpRequestHeaderHost,ClientRequestPath)

ARM