Azure_Sentinel_analytic_rule.json

{
    "$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/1e3589c8-7c9b-48aa-8f9e-c52e6fab6aa8')]",
            "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/1e3589c8-7c9b-48aa-8f9e-c52e6fab6aa8')]",
            "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
            "kind": "Scheduled",
            "apiVersion": "2022-09-01-preview",
            "properties": {
                "displayName": "Detect 3CX Malware Domains",
                "description": "Detects the precense of domains being used by infected 3CX installs.",
                "severity": "High",
                "enabled": true,
                "query": "let IOC = dynamic([\"akamaicontainer.com\",\"akamaitechcloudservices.com\",\"azuredeploystore.com\",\"azureonlinecloud.com\",\"azureonlinestorage.com\",\"dunamistrd.com\",\"glcloudservice.com\",\"journalide.org\",\"msedgepackageinfo.com\",\"msstorageazure.com\",\"msstorageboxes.com\",\"officeaddons.com\",\"officestoragebox.com\",\"pbxcloudeservices.com\",\"pbxphonenetwork.com\",\"pbxsources.com\",\"qwepoi123098.com\",\"sbmsa.wiki\",\"sourceslabs.com\", \"visualstudiofactory.com\",\"zacharryblogs.com\"]);\r\nDnsEvents\r\n| where Name in~ (IOC)",
                "queryFrequency": "PT15M",
                "queryPeriod": "PT15M",
                "triggerOperator": "GreaterThan",
                "triggerThreshold": 0,
                "suppressionDuration": "PT5H",
                "suppressionEnabled": false,
                "startTimeUtc": null,
                "tactics": [],
                "techniques": [],
                "alertRuleTemplateName": null,
                "incidentConfiguration": {
                    "createIncident": true,
                    "groupingConfiguration": {
                        "enabled": true,
                        "reopenClosedIncident": false,
                        "lookbackDuration": "PT5H",
                        "matchingMethod": "AllEntities",
                        "groupByEntities": [],
                        "groupByAlertDetails": [],
                        "groupByCustomDetails": []
                    }
                },
                "eventGroupingSettings": {
                    "aggregationKind": "SingleAlert"
                },
                "alertDetailsOverride": null,
                "customDetails": null,
                "entityMappings": null,
                "sentinelEntitiesMappings": null,
                "templateVersion": null
            }
        }
    ]
}