GCPCloudDNS
| where Query has_any ('hidusi.com', 'dodefoh.com', 'joxinu.com')
| extend DNSCustomEntity = Query, IPCustomEntity = SrcIpAddr
queryFrequency: 15m
triggerOperator: gt
tactics:
- PrivilegeEscalation
description: |
'Detects CVE-2021-40444 exploitation.'
relevantTechniques:
- T1068
query: |
GCPCloudDNS
| where Query has_any ('hidusi.com', 'dodefoh.com', 'joxinu.com')
| extend DNSCustomEntity = Query, IPCustomEntity = SrcIpAddr
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GoogleCloudPlatformDNS/Analytic Rules/GCPDNSCVE-2021-40444.yaml
severity: High
triggerThreshold: 0
version: 1.0.0
entityMappings:
- entityType: DNS
fieldMappings:
- identifier: DomainName
columnName: DNSCustomEntity
- entityType: IP
fieldMappings:
- identifier: Address
columnName: IPCustomEntity
name: Google DNS - CVE-2021-40444 exploitation
id: 6758c671-e9ee-495d-b6b0-92ffd08a8c3b
requiredDataConnectors:
- connectorId: GCPDNSDataConnector
dataTypes:
- GCPCloudDNS
kind: Scheduled
queryPeriod: 15m
{
"$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/6758c671-e9ee-495d-b6b0-92ffd08a8c3b')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/6758c671-e9ee-495d-b6b0-92ffd08a8c3b')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01",
"properties": {
"displayName": "Google DNS - CVE-2021-40444 exploitation",
"description": "'Detects CVE-2021-40444 exploitation.'\n",
"severity": "High",
"enabled": true,
"query": "GCPCloudDNS\n| where Query has_any ('hidusi.com', 'dodefoh.com', 'joxinu.com')\n| extend DNSCustomEntity = Query, IPCustomEntity = SrcIpAddr\n",
"queryFrequency": "PT15M",
"queryPeriod": "PT15M",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"PrivilegeEscalation"
],
"techniques": [
"T1068"
],
"alertRuleTemplateName": "6758c671-e9ee-495d-b6b0-92ffd08a8c3b",
"customDetails": null,
"entityMappings": [
{
"entityType": "DNS",
"fieldMappings": [
{
"identifier": "DomainName",
"columnName": "DNSCustomEntity"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"identifier": "Address",
"columnName": "IPCustomEntity"
}
]
}
],
"templateVersion": "1.0.0",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GoogleCloudPlatformDNS/Analytic Rules/GCPDNSCVE-2021-40444.yaml"
}
}
]
}