Theom - Shadow DB large datastore value | Microsoft Sentinel Analytic Rules

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Id	7cf83fce-276a-4b12-a876-7b1bc0683cd6
Rulename	Theom - Shadow DB large datastore value
Description	“Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0035 (Theom has observed shadow (or clone) databases/tables with large financial value. As per this requirement, use this information to apply data access control lists or access permissions and enforce data retention policies)”
Severity	High
Tactics	Collection
Techniques	T1560 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/TRIS0035_Shadow_DB_large_datastore_value.yaml
Version	1.0.2
Arm template	7cf83fce-276a-4b12-a876-7b1bc0683cd6.json

KQL

TheomAlerts_CL
  | where customProps_RuleId_s == "TRIS0035" and (priority_s == "P1" or priority_s == "P2")

YAML

tactics:
- Collection
relevantTechniques:
- T1560
- T1530
kind: Scheduled
query: |
  TheomAlerts_CL
    | where customProps_RuleId_s == "TRIS0035" and (priority_s == "P1" or priority_s == "P2")
alertDetailsOverride:
  alertDisplayNameFormat: 'Theom Alert ID: {{id_s}} '
  alertDescriptionFormat: |2

    Summary: {{summary_s}}  
    Additional info: {{details_s}}
    Please investigate further on Theom UI at {{deepLink_s}}
severity: High
queryFrequency: 5m
triggerOperator: gt
id: 7cf83fce-276a-4b12-a876-7b1bc0683cd6
name: Theom - Shadow DB large datastore value
triggerThreshold: 0
entityMappings:
- entityType: CloudApplication
  fieldMappings:
  - identifier: Name
    columnName: customProps_AssetName_s
- entityType: URL
  fieldMappings:
  - identifier: Url
    columnName: deepLink_s
requiredDataConnectors:
- connectorId: Theom
  dataTypes:
  - TheomAlerts_CL
description: |
  "Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0035 (Theom has observed shadow (or clone) databases/tables with large financial value. As per this requirement, use this information to apply data access control lists or access permissions and enforce data retention policies)"
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic%20Rules/TRIS0035_Shadow_DB_large_datastore_value.yaml
status: Available
eventGroupingSettings:
  aggregationKind: AlertPerResult
queryPeriod: 5m
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/7cf83fce-276a-4b12-a876-7b1bc0683cd6')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/7cf83fce-276a-4b12-a876-7b1bc0683cd6')]",
      "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": "7cf83fce-276a-4b12-a876-7b1bc0683cd6",
        "customDetails": null,
        "description": "\"Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0035 (Theom has observed shadow (or clone) databases/tables with large financial value. As per this requirement, use this information to apply data access control lists or access permissions and enforce data retention policies)\"\n",
        "displayName": "Theom - Shadow DB large datastore value",
        "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/TRIS0035_Shadow_DB_large_datastore_value.yaml",
        "query": "TheomAlerts_CL\n  | where customProps_RuleId_s == \"TRIS0035\" 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": [
          "T1530",
          "T1560"
        ],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}