Theom - Dark Data with large fin value

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Id	545fdcc7-2123-4b8a-baf6-409f29aad4b1
Rulename	Theom - Dark Data with large fin value
Description	“Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0032 (Theom has observed data with a large financial value, but that has not been accessed recently. Use this information to 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 Rules/TRIS0032_Dark_Data_with_large_fin_value.yaml
Version	1.0.2
Arm template	545fdcc7-2123-4b8a-baf6-409f29aad4b1.json

KQL

TheomAlerts_CL
  | where customProps_RuleId_s == "TRIS0032" and (priority_s == "P1" or priority_s == "P2")

YAML

relevantTechniques:
- T1560
- T1530
name: Theom - Dark Data with large fin value
requiredDataConnectors:
- dataTypes:
  - TheomAlerts_CL
  connectorId: Theom
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: customProps_AssetName_s
  entityType: CloudApplication
- fieldMappings:
  - identifier: Url
    columnName: deepLink_s
  entityType: URL
triggerThreshold: 0
id: 545fdcc7-2123-4b8a-baf6-409f29aad4b1
tactics:
- Collection
version: 1.0.2
queryPeriod: 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}}
triggerOperator: gt
kind: Scheduled
eventGroupingSettings:
  aggregationKind: AlertPerResult
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic Rules/TRIS0032_Dark_Data_with_large_fin_value.yaml
queryFrequency: 5m
severity: High
status: Available
description: |
    "Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0032 (Theom has observed data with a large financial value, but that has not been accessed recently. Use this information to enforce data retention policies)"
query: |
  TheomAlerts_CL
    | where customProps_RuleId_s == "TRIS0032" and (priority_s == "P1" or priority_s == "P2")

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/545fdcc7-2123-4b8a-baf6-409f29aad4b1')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/545fdcc7-2123-4b8a-baf6-409f29aad4b1')]",
      "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": "545fdcc7-2123-4b8a-baf6-409f29aad4b1",
        "customDetails": null,
        "description": "\"Creates Sentinel incidents for critical/high Theom risks, associated with ruleId TRIS0032 (Theom has observed data with a large financial value, but that has not been accessed recently. Use this information to enforce data retention policies)\"\n",
        "displayName": "Theom - Dark Data with large fin 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 Rules/TRIS0032_Dark_Data_with_large_fin_value.yaml",
        "query": "TheomAlerts_CL\n  | where customProps_RuleId_s == \"TRIS0032\" 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"
    }
  ]
}