Theom - Shadow DB with atypical accesses

TheomAlerts_CL
  | where customProps_RuleId_s == "TRIS0036" and (priority_s == "P1" or priority_s == "P2")

name: Theom - Shadow DB with atypical accesses
relevantTechniques:
- T1560
- T1530
- T1078
eventGroupingSettings:
  aggregationKind: AlertPerResult
requiredDataConnectors:
- dataTypes:
  - TheomAlerts_CL
  connectorId: Theom
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic Rules/TRIS0036_Shadow_DB_with_atypical_accesses.yaml
query: |
  TheomAlerts_CL
    | where customProps_RuleId_s == "TRIS0036" and (priority_s == "P1" or priority_s == "P2")  
tactics:
- Collection
- PrivilegeEscalation
description: |
    "Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0036 (Theom has observed shadow or clone databases/tables. Additionally, it has observed atypical accesses to these data stores. As per this requirement, use this information to apply data access control lists or access permissions and enforce data retention policies)"
entityMappings:
- fieldMappings:
  - columnName: customProps_AssetName_s
    identifier: Name
  entityType: CloudApplication
- fieldMappings:
  - columnName: deepLink_s
    identifier: Url
  entityType: URL
queryFrequency: 5m
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}} '
triggerOperator: gt
version: 1.0.2
queryPeriod: 5m
status: Available
kind: Scheduled
severity: High
triggerThreshold: 0
id: 02bff937-ca52-4f52-a9cd-b826f8602694

{
  "$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/02bff937-ca52-4f52-a9cd-b826f8602694')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/02bff937-ca52-4f52-a9cd-b826f8602694')]",
      "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": "02bff937-ca52-4f52-a9cd-b826f8602694",
        "customDetails": null,
        "description": "\"Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0036 (Theom has observed shadow or clone databases/tables. Additionally, it has observed atypical accesses to these data stores. 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 with atypical accesses",
        "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/TRIS0036_Shadow_DB_with_atypical_accesses.yaml",
        "query": "TheomAlerts_CL\n  | where customProps_RuleId_s == \"TRIS0036\" and (priority_s == \"P1\" or priority_s == \"P2\")\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Collection",
          "PrivilegeEscalation"
        ],
        "techniques": [
          "T1078",
          "T1530",
          "T1560"
        ],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}