Cloudflare - Client request from country in blocklist

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

name: Cloudflare - Client request from country in blocklist
triggerOperator: gt
query: |
  let bl_countries = dynamic(['cn', 'hk']);
  Cloudflare
  | where SrcGeoCountry in~ (bl_countries)
  | extend CompleteUrl = strcat(HttpRequestHeaderHost,ClientRequestPath)
queryFrequency: 1h
description: |
  'Detects requests from countries which are in blocklist.'
id: 40554544-6e4a-4413-8d14-bf2de939c5d0
triggerThreshold: 0
queryPeriod: 1h
version: 1.0.1
kind: Scheduled
status: Available
severity: Medium
requiredDataConnectors:
- connectorId: CloudflareDataConnector
  dataTypes:
  - Cloudflare
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cloudflare%20CCF/Analytic%20Rules/CloudflareCCFUnexpectedCountry.yaml
relevantTechniques:
- T1190
- T1133
tactics:
- InitialAccess
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: SrcIpAddr
  entityType: IP
- fieldMappings:
  - identifier: Url
    columnName: CompleteUrl
  entityType: URL

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/40554544-6e4a-4413-8d14-bf2de939c5d0')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/40554544-6e4a-4413-8d14-bf2de939c5d0')]",
      "properties": {
        "alertRuleTemplateName": "40554544-6e4a-4413-8d14-bf2de939c5d0",
        "customDetails": null,
        "description": "'Detects requests from countries which are in blocklist.'\n",
        "displayName": "Cloudflare - Client request from country in blocklist",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "SrcIpAddr",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "URL",
            "fieldMappings": [
              {
                "columnName": "CompleteUrl",
                "identifier": "Url"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cloudflare%20CCF/Analytic%20Rules/CloudflareCCFUnexpectedCountry.yaml",
        "query": "let bl_countries = dynamic(['cn', 'hk']);\nCloudflare\n| where SrcGeoCountry in~ (bl_countries)\n| extend CompleteUrl = strcat(HttpRequestHeaderHost,ClientRequestPath)\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1133",
          "T1190"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}