Microsoft Sentinel Analytic Rules
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Mimecast Targeted Threat Protection - URL Protect

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Id9d5545bd-1450-4086-935c-62f15fc4a4c9
RulenameMimecast Targeted Threat Protection - URL Protect
DescriptionDetects malicious scan results and actions which are not allowed
SeverityHigh
TacticsInitialAccess
Discovery
TechniquesT0865
Required data connectorsMimecastTTPAPI
KindScheduled
Query frequency5m
Query period15m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastTTP/Analytic Rules/MimecastTTPUrl.yaml
Version1.0.0
Arm template9d5545bd-1450-4086-935c-62f15fc4a4c9.json
Deploy To Azure
MimecastTTPUrl_CL| where scanResult_s == "malicious" and action_s != "allow";
triggerOperator: gt
suppressionDuration: 5h
suppressionEnabled: false
enabled: true
queryPeriod: 15m
kind: Scheduled
relevantTechniques:
- T0865
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastTTP/Analytic Rules/MimecastTTPUrl.yaml
eventGroupingSettings:
  aggregationKind: AlertPerResult
queryFrequency: 5m
description: Detects malicious scan results and actions which are not allowed
requiredDataConnectors:
- dataTypes:
  - MimecastTTPUrl_CL
  connectorId: MimecastTTPAPI
version: 1.0.0
entityMappings:
- entityType: IP
  fieldMappings:
  - columnName: sendingIp_s
    identifier: Address
- entityType: MailMessage
  fieldMappings:
  - columnName: fromUserEmailAddress_s
    identifier: Sender
  - columnName: messageId_s
    identifier: InternetMessageId
  - columnName: userEmailAddress_s
    identifier: Recipient
- entityType: URL
  fieldMappings:
  - columnName: url_s
    identifier: Url
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: 1d
    matchingMethod: AllEntities
    reopenClosedIncident: false
    enabled: true
triggerThreshold: 0
severity: High
id: 9d5545bd-1450-4086-935c-62f15fc4a4c9
alertRuleTemplateName: 
tactics:
- InitialAccess
- Discovery
name: Mimecast Targeted Threat Protection - URL Protect
query: MimecastTTPUrl_CL| where scanResult_s == "malicious" and action_s != "allow";
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/9d5545bd-1450-4086-935c-62f15fc4a4c9')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/9d5545bd-1450-4086-935c-62f15fc4a4c9')]",
      "properties": {
        "alertRuleTemplateName": null,
        "customDetails": null,
        "description": "Detects malicious scan results and actions which are not allowed",
        "displayName": "Mimecast Targeted Threat Protection - URL Protect",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "sendingIp_s",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "MailMessage",
            "fieldMappings": [
              {
                "columnName": "fromUserEmailAddress_s",
                "identifier": "Sender"
              },
              {
                "columnName": "messageId_s",
                "identifier": "InternetMessageId"
              },
              {
                "columnName": "userEmailAddress_s",
                "identifier": "Recipient"
              }
            ]
          },
          {
            "entityType": "URL",
            "fieldMappings": [
              {
                "columnName": "url_s",
                "identifier": "Url"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "lookbackDuration": "P1D",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastTTP/Analytic Rules/MimecastTTPUrl.yaml",
        "query": "MimecastTTPUrl_CL| where scanResult_s == \"malicious\" and action_s != \"allow\";",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT15M",
        "severity": "High",
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "Discovery",
          "InitialAccess"
        ],
        "techniques": null,
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}