corelight_http
| where method =~ 'GET'
| where isempty(referrer)
| where host has 'xn--'
entityMappings:
- entityType: IP
fieldMappings:
- identifier: Address
columnName: id_orig_h
queryFrequency: 1h
name: Corelight - Possible Typo Squatting or Punycode Phishing HTTP Request
kind: Scheduled
tactics:
- InitialAccess
triggerThreshold: 0
query: |
corelight_http
| where method =~ 'GET'
| where isempty(referrer)
| where host has 'xn--'
relevantTechniques:
- T1566
triggerOperator: gt
queryPeriod: 1h
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Corelight/Analytic Rules/CorelightTypoSquattingOrPunycodePhishingHTTPRequest.yaml
severity: Medium
status: Available
id: 6b579e98-abc9-4e7a-9efc-2f3408ba16c9
requiredDataConnectors:
- connectorId: Corelight
dataTypes:
- Corelight_v2_http
- corelight_http
version: 2.1.0
description: |
'Detects when an HTTP request was made to a domain that was using unicode/punycode.'
{
"$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/6b579e98-abc9-4e7a-9efc-2f3408ba16c9')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/6b579e98-abc9-4e7a-9efc-2f3408ba16c9')]",
"properties": {
"alertRuleTemplateName": "6b579e98-abc9-4e7a-9efc-2f3408ba16c9",
"customDetails": null,
"description": "'Detects when an HTTP request was made to a domain that was using unicode/punycode.'\n",
"displayName": "Corelight - Possible Typo Squatting or Punycode Phishing HTTP Request",
"enabled": true,
"entityMappings": [
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "id_orig_h",
"identifier": "Address"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Corelight/Analytic Rules/CorelightTypoSquattingOrPunycodePhishingHTTPRequest.yaml",
"query": "corelight_http\n| where method =~ 'GET'\n| where isempty(referrer)\n| where host has 'xn--'\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess"
],
"techniques": [
"T1566"
],
"templateVersion": "2.1.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}