Theom - Unencrypted public data stores

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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 Rules/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

status: Available
triggerOperator: gt
triggerThreshold: 0
name: Theom - Unencrypted public data stores
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}} '
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic Rules/TRIS0005_Unencrypted_public_data_stores.yaml
queryPeriod: 5m
severity: High
eventGroupingSettings:
  aggregationKind: AlertPerResult
entityMappings:
- entityType: CloudApplication
  fieldMappings:
  - columnName: customProps_AssetName_s
    identifier: Name
- entityType: URL
  fieldMappings:
  - columnName: deepLink_s
    identifier: Url
queryFrequency: 5m
relevantTechniques:
- T1213
- T1530
requiredDataConnectors:
- dataTypes:
  - TheomAlerts_CL
  connectorId: Theom
kind: Scheduled
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)"
tactics:
- Collection
query: |
  TheomAlerts_CL
    | where customProps_RuleId_s == "TRIS0005" and (priority_s == "P1" or priority_s == "P2")  
id: 6b93d8b1-40cf-4973-adaa-6f240df21ff1
version: 1.0.2

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 Rules/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"
    }
  ]
}