Corelight
| where EventType =~ 'http'
| where HttpRequestMethod =~ 'GET'
| where isempty(HttpReferrerOriginal)
| where HttpRequestHeaderHost has 'xn--'
| extend IPCustomEntity = SrcIpAddr
version: 1.0.0
name: Corelight - Possible Typo Squatting or Punycode Phishing HTTP Request
severity: Medium
queryFrequency: 1h
kind: Scheduled
queryPeriod: 1h
description: |
'Detects when an HTTP request was made to a domain that was using unicode/punycode.'
query: |
Corelight
| where EventType =~ 'http'
| where HttpRequestMethod =~ 'GET'
| where isempty(HttpReferrerOriginal)
| where HttpRequestHeaderHost has 'xn--'
| extend IPCustomEntity = SrcIpAddr
tactics:
- InitialAccess
triggerOperator: gt
entityMappings:
- entityType: IP
fieldMappings:
- columnName: IPCustomEntity
identifier: Address
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Corelight/Analytic Rules/CorelightTypoSquattingOrPunycodePhishingHTTPRequest.yaml
requiredDataConnectors:
- connectorId: Corelight
dataTypes:
- Corelight
status: Available
relevantTechniques:
- T1566
id: 6b579e98-abc9-4e7a-9efc-2f3408ba16c9
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/6b579e98-abc9-4e7a-9efc-2f3408ba16c9')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/6b579e98-abc9-4e7a-9efc-2f3408ba16c9')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01-preview",
"properties": {
"displayName": "Corelight - Possible Typo Squatting or Punycode Phishing HTTP Request",
"description": "'Detects when an HTTP request was made to a domain that was using unicode/punycode.'\n",
"severity": "Medium",
"enabled": true,
"query": "Corelight\n| where EventType =~ 'http'\n| where HttpRequestMethod =~ 'GET'\n| where isempty(HttpReferrerOriginal)\n| where HttpRequestHeaderHost has 'xn--'\n| extend IPCustomEntity = SrcIpAddr\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess"
],
"techniques": [
"T1566"
],
"alertRuleTemplateName": "6b579e98-abc9-4e7a-9efc-2f3408ba16c9",
"customDetails": null,
"entityMappings": [
{
"fieldMappings": [
{
"columnName": "IPCustomEntity",
"identifier": "Address"
}
],
"entityType": "IP"
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Corelight/Analytic Rules/CorelightTypoSquattingOrPunycodePhishingHTTPRequest.yaml",
"templateVersion": "1.0.0",
"status": "Available"
}
}
]
}