Microsoft Sentinel Analytic Rules
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Cyber Evil Twin Site Medium

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Id4c1c4841-eaab-4204-a859-95ca2a033dd9
RulenameCyber Evil Twin Site (Medium)
DescriptionNew Cyber Evil Twin Site with severity Medium found
SeverityMedium
TacticsDefenseEvasion
TechniquesT1497
Required data connectorsCBSPollingIDAzureFunctions
KindScheduled
Query frequency5m
Query period5m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CTM360/Analytic Rules/cyber_evil_twin_site_medium.yaml
Version1.0.0
Arm template4c1c4841-eaab-4204-a859-95ca2a033dd9.json
Deploy To Azure
CBSLog_Azure_1_CL | where severity_s == "Medium" | where type_s == "Cyber Evil Twin Site" | where status_s != "Closed" or status_s != "Resolved"
description: New Cyber Evil Twin Site with severity Medium found
status: Available
queryPeriod: 5m
suppressionDuration: 5h
triggerThreshold: 0
id: 4c1c4841-eaab-4204-a859-95ca2a033dd9
version: 1.0.0
requiredDataConnectors:
- connectorId: CBSPollingIDAzureFunctions
  dataTypes:
  - CBSLog_Azure_1_CL
tactics:
- DefenseEvasion
severity: Medium
triggerOperator: gt
eventGroupingSettings:
  aggregationKind: SingleAlert
query: CBSLog_Azure_1_CL | where severity_s == "Medium" | where type_s == "Cyber Evil Twin Site" | where status_s != "Closed" or status_s != "Resolved"
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    matchingMethod: AllEntities
    lookbackDuration: PT5H
    enabled: false
  createIncident: true
name: Cyber Evil Twin Site (Medium)
queryFrequency: 5m
suppressionEnabled: false
kind: Scheduled
relevantTechniques:
- T1497
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CTM360/Analytic Rules/cyber_evil_twin_site_medium.yaml
{
  "$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/4c1c4841-eaab-4204-a859-95ca2a033dd9')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/4c1c4841-eaab-4204-a859-95ca2a033dd9')]",
      "properties": {
        "alertRuleTemplateName": "4c1c4841-eaab-4204-a859-95ca2a033dd9",
        "customDetails": null,
        "description": "New Cyber Evil Twin Site with severity Medium found",
        "displayName": "Cyber Evil Twin Site (Medium)",
        "enabled": true,
        "entityMappings": null,
        "eventGroupingSettings": {
          "aggregationKind": "SingleAlert"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": false,
            "lookbackDuration": "PT5H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CTM360/Analytic Rules/cyber_evil_twin_site_medium.yaml",
        "query": "CBSLog_Azure_1_CL | where severity_s == \"Medium\" | where type_s == \"Cyber Evil Twin Site\" | where status_s != \"Closed\" or status_s != \"Resolved\"",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion"
        ],
        "techniques": [
          "T1497"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}