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

requiredDataConnectors:
- connectorId: Theom
  dataTypes:
  - TheomAlerts_CL
triggerThreshold: 0
status: Available
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)"
tactics:
- Collection
queryFrequency: 5m
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}}
eventGroupingSettings:
  aggregationKind: AlertPerResult
query: |
  TheomAlerts_CL
    | where customProps_RuleId_s == "TRIS0035" and (priority_s == "P1" or priority_s == "P2")
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic%20Rules/TRIS0035_Shadow_DB_large_datastore_value.yaml
id: 7cf83fce-276a-4b12-a876-7b1bc0683cd6
queryPeriod: 5m
entityMappings:
- fieldMappings:
  - columnName: customProps_AssetName_s
    identifier: Name
  entityType: CloudApplication
- fieldMappings:
  - columnName: deepLink_s
    identifier: Url
  entityType: URL
severity: High
triggerOperator: gt
relevantTechniques:
- T1560
- T1530
kind: Scheduled
name: Theom - Shadow DB large datastore value
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"
    }
  ]
}