Recorded Future Sandbox - Malicious Email Attachment

RecordedFutureSandboxResults_V2_CL
| where TimeGenerated >= now(-1h)
| where Source == "OutlookAttachment"
| where toint(SandboxScore) >= 50

incidentConfiguration:
  groupingConfiguration:
    groupByCustomDetails:
    - EmailFrom
    lookbackDuration: 1h
    enabled: true
    reopenClosedIncident: false
    matchingMethod: Selected
  createIncident: true
name: Recorded Future Sandbox - Malicious Email Attachment
triggerOperator: gt
query: |
  RecordedFutureSandboxResults_V2_CL
  | where TimeGenerated >= now(-1h)
  | where Source == "OutlookAttachment"
  | where toint(SandboxScore) >= 50
queryFrequency: 1h
description: |
  'Creates incidents when Recorded Future Sandbox detects malicious files from Outlook email attachments'
id: a1b2c3d4-5678-90ab-cdef-222222222222
triggerThreshold: 0
version: 2.0.0
queryPeriod: 1h
status: Available
kind: NRT
customDetails:
  SampleId: SampleId
  SandboxVerdict: SandboxVerdict
  EmailTo: EmailTo
  Source: Source
  SandboxScore: SandboxScore
  FileName: FileName
  EmailFrom: EmailFrom
relevantTechniques: []
eventGroupingSettings:
  aggregationKind: AlertPerResult
severity: High
requiredDataConnectors:
- connectorId: RecordedFuture
  dataTypes:
  - RecordedFutureSandboxResults_V2_CL
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Recorded%20Future/Analytic%20Rules/IncidentCreation/RecordedFutureSandboxEmailAttachment.yaml
alertDetailsOverride:
  alertDescriptionFormat: |
    _Recorded Future Sandbox - Malicious Email Attachment Detected_

    **Sandbox Score:** {{SandboxScore}}/100

    **Verdict:** {{SandboxVerdict}}

    **Sample ID:** {{SampleId}}

    A malicious file was detected in an email attachment. Review the full sandbox report and investigate the sender.
  alertDisplayNameFormat: 'Malicious Email Attachment: {{FileName}} from {{EmailFrom}}'
tactics: []
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: FileName
  entityType: File
- fieldMappings:
  - identifier: MailboxPrimaryAddress
    columnName: EmailFrom
  entityType: Mailbox

{
  "$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/a1b2c3d4-5678-90ab-cdef-222222222222')]",
      "kind": "NRT",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a1b2c3d4-5678-90ab-cdef-222222222222')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "_Recorded Future Sandbox - Malicious Email Attachment Detected_\n\n**Sandbox Score:** {{SandboxScore}}/100\n\n**Verdict:** {{SandboxVerdict}}\n\n**Sample ID:** {{SampleId}}\n\nA malicious file was detected in an email attachment. Review the full sandbox report and investigate the sender.\n",
          "alertDisplayNameFormat": "Malicious Email Attachment: {{FileName}} from {{EmailFrom}}"
        },
        "alertRuleTemplateName": "a1b2c3d4-5678-90ab-cdef-222222222222",
        "customDetails": {
          "EmailFrom": "EmailFrom",
          "EmailTo": "EmailTo",
          "FileName": "FileName",
          "SampleId": "SampleId",
          "SandboxScore": "SandboxScore",
          "SandboxVerdict": "SandboxVerdict",
          "Source": "Source"
        },
        "description": "'Creates incidents when Recorded Future Sandbox detects malicious files from Outlook email attachments'\n",
        "displayName": "Recorded Future Sandbox - Malicious Email Attachment",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "File",
            "fieldMappings": [
              {
                "columnName": "FileName",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "Mailbox",
            "fieldMappings": [
              {
                "columnName": "EmailFrom",
                "identifier": "MailboxPrimaryAddress"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByCustomDetails": [
              "EmailFrom"
            ],
            "lookbackDuration": "PT1H",
            "matchingMethod": "Selected",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Recorded%20Future/Analytic%20Rules/IncidentCreation/RecordedFutureSandboxEmailAttachment.yaml",
        "query": "RecordedFutureSandboxResults_V2_CL\n| where TimeGenerated >= now(-1h)\n| where Source == \"OutlookAttachment\"\n| where toint(SandboxScore) >= 50\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [],
        "techniques": [],
        "templateVersion": "2.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}