Box - File containing sensitive data

BoxEvents
| where SourceItemName =~ 'id_rsa' or SourceItemName contains 'password' or SourceItemName contains 'key' or SourceItemName contains '_key' or SourceItemName contains '.ssh' or SourceItemName endswith '.npmrc' or SourceItemName endswith '.muttrc' or SourceItemName contains 'config.json' or SourceItemName contains '.gitconfig' or SourceItemName endswith '.netrc' or SourceItemName endswith 'package.json' or SourceItemName endswith 'Gemfile' or SourceItemName endswith 'bower.json' or SourceItemName endswith 'config.gypi' or SourceItemName endswith 'travis.yml' or SourceFileName =~ 'id_rsa' or SourceFileName contains 'password' or SourceFileName contains 'key' or SourceFileName contains '_key' or SourceFileName contains '.ssh' or SourceFileName endswith '.npmrc' or SourceFileName endswith '.muttrc' or SourceFileName contains 'config.json' or SourceFileName contains '.gitconfig' or SourceFileName endswith '.netrc' or SourceFileName endswith 'package.json' or SourceFileName endswith 'Gemfile' or SourceFileName contains 'bower.json' or SourceFileName contains 'config.gypi' or SourceFileName contains 'travis.yml'
| extend AccountCustomEntity = SrcUserName
| extend IPCustomEntity = SrcIpAddr

triggerOperator: gt
queryFrequency: 1h
description: |
    'Detects files which potentialy may contain sensitive data such as passwords, authentication tokens, secret keys.'
status: Available
kind: Scheduled
triggerThreshold: 0
requiredDataConnectors:
- connectorId: BoxDataConnector
  dataTypes:
  - BoxEvents_CL
version: 1.0.0
queryPeriod: 1h
name: Box - File containing sensitive data
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Box/Analytic Rules/BoxSensitiveFile.yaml
id: 266746ae-5eaf-4068-a980-5d630f435c46
tactics:
- Exfiltration
relevantTechniques:
- T1048
severity: Medium
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
  entityType: Account
- fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
  entityType: IP
query: |
  BoxEvents
  | where SourceItemName =~ 'id_rsa' or SourceItemName contains 'password' or SourceItemName contains 'key' or SourceItemName contains '_key' or SourceItemName contains '.ssh' or SourceItemName endswith '.npmrc' or SourceItemName endswith '.muttrc' or SourceItemName contains 'config.json' or SourceItemName contains '.gitconfig' or SourceItemName endswith '.netrc' or SourceItemName endswith 'package.json' or SourceItemName endswith 'Gemfile' or SourceItemName endswith 'bower.json' or SourceItemName endswith 'config.gypi' or SourceItemName endswith 'travis.yml' or SourceFileName =~ 'id_rsa' or SourceFileName contains 'password' or SourceFileName contains 'key' or SourceFileName contains '_key' or SourceFileName contains '.ssh' or SourceFileName endswith '.npmrc' or SourceFileName endswith '.muttrc' or SourceFileName contains 'config.json' or SourceFileName contains '.gitconfig' or SourceFileName endswith '.netrc' or SourceFileName endswith 'package.json' or SourceFileName endswith 'Gemfile' or SourceFileName contains 'bower.json' or SourceFileName contains 'config.gypi' or SourceFileName contains 'travis.yml'
  | extend AccountCustomEntity = SrcUserName
  | extend IPCustomEntity = SrcIpAddr  

{
  "$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/266746ae-5eaf-4068-a980-5d630f435c46')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/266746ae-5eaf-4068-a980-5d630f435c46')]",
      "properties": {
        "alertRuleTemplateName": "266746ae-5eaf-4068-a980-5d630f435c46",
        "customDetails": null,
        "description": "'Detects files which potentialy may contain sensitive data such as passwords, authentication tokens, secret keys.'\n",
        "displayName": "Box - File containing sensitive data",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Box/Analytic Rules/BoxSensitiveFile.yaml",
        "query": "BoxEvents\n| where SourceItemName =~ 'id_rsa' or SourceItemName contains 'password' or SourceItemName contains 'key' or SourceItemName contains '_key' or SourceItemName contains '.ssh' or SourceItemName endswith '.npmrc' or SourceItemName endswith '.muttrc' or SourceItemName contains 'config.json' or SourceItemName contains '.gitconfig' or SourceItemName endswith '.netrc' or SourceItemName endswith 'package.json' or SourceItemName endswith 'Gemfile' or SourceItemName endswith 'bower.json' or SourceItemName endswith 'config.gypi' or SourceItemName endswith 'travis.yml' or SourceFileName =~ 'id_rsa' or SourceFileName contains 'password' or SourceFileName contains 'key' or SourceFileName contains '_key' or SourceFileName contains '.ssh' or SourceFileName endswith '.npmrc' or SourceFileName endswith '.muttrc' or SourceFileName contains 'config.json' or SourceFileName contains '.gitconfig' or SourceFileName endswith '.netrc' or SourceFileName endswith 'package.json' or SourceFileName endswith 'Gemfile' or SourceFileName contains 'bower.json' or SourceFileName contains 'config.gypi' or SourceFileName contains 'travis.yml'\n| extend AccountCustomEntity = SrcUserName\n| extend IPCustomEntity = SrcIpAddr\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Exfiltration"
        ],
        "techniques": [
          "T1048"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}