Snowflake - Query on sensitive or restricted table

let r_tbl = dynamic(['table_name']);
Snowflake
| where QueryType =~ 'SELECT'
| where QueryExecutionStatus =~ 'SUCCESS'
| extend tbl = extract(@'(FROM|from)\s(\S+)\s', 2, QueryText)
| where tbl in~ (r_tbl)
| extend AccountCustomEntity = TargetUsername

id: f258fa0c-e26c-4e2b-94fb-88b6cef0ca6e
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
severity: Medium
status: Available
requiredDataConnectors:
- dataTypes:
  - Snowflake
  connectorId: Snowflake
kind: Scheduled
query: |
  let r_tbl = dynamic(['table_name']);
  Snowflake
  | where QueryType =~ 'SELECT'
  | where QueryExecutionStatus =~ 'SUCCESS'
  | extend tbl = extract(@'(FROM|from)\s(\S+)\s', 2, QueryText)
  | where tbl in~ (r_tbl)
  | extend AccountCustomEntity = TargetUsername
name: Snowflake - Query on sensitive or restricted table
queryPeriod: 1h
description: |
  'Detects query on sensitive or restricted table.'
tactics:
- Collection
triggerOperator: gt
triggerThreshold: 0
relevantTechniques:
- T1119
version: 1.0.1
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Snowflake/Analytic%20Rules/SnowflakeQueryOnSensitiveTable.yaml
queryFrequency: 1h

{
  "$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/f258fa0c-e26c-4e2b-94fb-88b6cef0ca6e')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/f258fa0c-e26c-4e2b-94fb-88b6cef0ca6e')]",
      "properties": {
        "alertRuleTemplateName": "f258fa0c-e26c-4e2b-94fb-88b6cef0ca6e",
        "customDetails": null,
        "description": "'Detects query on sensitive or restricted table.'\n",
        "displayName": "Snowflake - Query on sensitive or restricted table",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Snowflake/Analytic%20Rules/SnowflakeQueryOnSensitiveTable.yaml",
        "query": "let r_tbl = dynamic(['table_name']);\nSnowflake\n| where QueryType =~ 'SELECT'\n| where QueryExecutionStatus =~ 'SUCCESS'\n| extend tbl = extract(@'(FROM|from)\\s(\\S+)\\s', 2, QueryText)\n| where tbl in~ (r_tbl)\n| extend AccountCustomEntity = TargetUsername\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Collection"
        ],
        "techniques": [
          "T1119"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}