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Theom - Shadow DB with atypical accesses

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Id02bff937-ca52-4f52-a9cd-b826f8602694
RulenameTheom - Shadow DB with atypical accesses
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)”
SeverityHigh
TacticsCollection
PrivilegeEscalation
TechniquesT1560
T1530
T1078
Required data connectorsTheom
KindScheduled
Query frequency5m
Query period5m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic Rules/TRIS0036_Shadow_DB_with_atypical_accesses.yaml
Version1.0.2
Arm template02bff937-ca52-4f52-a9cd-b826f8602694.json
Deploy To Azure
TheomAlerts_CL
  | where customProps_RuleId_s == "TRIS0036" and (priority_s == "P1" or priority_s == "P2")
entityMappings:
- entityType: CloudApplication
  fieldMappings:
  - columnName: customProps_AssetName_s
    identifier: Name
- entityType: URL
  fieldMappings:
  - columnName: deepLink_s
    identifier: Url
tactics:
- Collection
- PrivilegeEscalation
triggerOperator: gt
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)"
requiredDataConnectors:
- connectorId: Theom
  dataTypes:
  - TheomAlerts_CL
relevantTechniques:
- T1560
- T1530
- T1078
version: 1.0.2
id: 02bff937-ca52-4f52-a9cd-b826f8602694
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}}
kind: Scheduled
query: |
  TheomAlerts_CL
    | where customProps_RuleId_s == "TRIS0036" and (priority_s == "P1" or priority_s == "P2")  
status: Available
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic Rules/TRIS0036_Shadow_DB_with_atypical_accesses.yaml
eventGroupingSettings:
  aggregationKind: AlertPerResult
queryFrequency: 5m
severity: High
name: Theom - Shadow DB with atypical accesses
queryPeriod: 5m
{
  "$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"
    }
  ]
}