Theom - Unencrypted public data stores | Microsoft Sentinel Analytic Rules

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Id	6b93d8b1-40cf-4973-adaa-6f240df21ff1
Rulename	Theom - Unencrypted public data stores
Description	“Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0005 (Theom has observed data stores that are both unencrypted and publicly accessible. Review if the data store and the data within should be publicly accessible. Additionally, encrypt the data at rest to comply with these CIS requirements)”
Severity	High
Tactics	Collection
Techniques	T1213 T1530
Required data connectors	Theom
Kind	Scheduled
Query frequency	5m
Query period	5m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic%20Rules/TRIS0005_Unencrypted_public_data_stores.yaml
Version	1.0.2
Arm template	6b93d8b1-40cf-4973-adaa-6f240df21ff1.json

KQL

TheomAlerts_CL
  | where customProps_RuleId_s == "TRIS0005" and (priority_s == "P1" or priority_s == "P2")

YAML

name: Theom - Unencrypted public data stores
triggerOperator: gt
query: |
  TheomAlerts_CL
    | where customProps_RuleId_s == "TRIS0005" and (priority_s == "P1" or priority_s == "P2")
queryFrequency: 5m
description: |
  "Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0005 (Theom has observed data stores that are both unencrypted and publicly accessible. Review if the data store and the data within should be publicly accessible. Additionally, encrypt the data at rest to comply with these CIS requirements)"
id: 6b93d8b1-40cf-4973-adaa-6f240df21ff1
triggerThreshold: 0
queryPeriod: 5m
version: 1.0.2
kind: Scheduled
status: Available
eventGroupingSettings:
  aggregationKind: AlertPerResult
severity: High
requiredDataConnectors:
- connectorId: Theom
  dataTypes:
  - TheomAlerts_CL
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic%20Rules/TRIS0005_Unencrypted_public_data_stores.yaml
alertDetailsOverride:
  alertDescriptionFormat: |2

    Summary: {{summary_s}}  
    Additional info: {{details_s}}
    Please investigate further on Theom UI at {{deepLink_s}}
  alertDisplayNameFormat: 'Theom Alert ID: {{id_s}} '
relevantTechniques:
- T1213
- T1530
tactics:
- Collection
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: customProps_AssetName_s
  entityType: CloudApplication
- fieldMappings:
  - identifier: Url
    columnName: deepLink_s
  entityType: URL

ARM

{
  "$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/6b93d8b1-40cf-4973-adaa-6f240df21ff1')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/6b93d8b1-40cf-4973-adaa-6f240df21ff1')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "\nSummary: {{summary_s}}  \nAdditional info: {{details_s}}\nPlease investigate further on Theom UI at {{deepLink_s}}\n",
          "alertDisplayNameFormat": "Theom Alert ID: {{id_s}} "
        },
        "alertRuleTemplateName": "6b93d8b1-40cf-4973-adaa-6f240df21ff1",
        "customDetails": null,
        "description": "\"Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0005 (Theom has observed data stores that are both unencrypted and publicly accessible. Review if the data store and the data within should be publicly accessible. Additionally, encrypt the data at rest to comply with these CIS requirements)\"\n",
        "displayName": "Theom - Unencrypted public data stores",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "CloudApplication",
            "fieldMappings": [
              {
                "columnName": "customProps_AssetName_s",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "URL",
            "fieldMappings": [
              {
                "columnName": "deepLink_s",
                "identifier": "Url"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic%20Rules/TRIS0005_Unencrypted_public_data_stores.yaml",
        "query": "TheomAlerts_CL\n  | where customProps_RuleId_s == \"TRIS0005\" and (priority_s == \"P1\" or priority_s == \"P2\")\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Collection"
        ],
        "techniques": [
          "T1213",
          "T1530"
        ],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}