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

id: 545fdcc7-2123-4b8a-baf6-409f29aad4b1
tactics:
- Collection
queryPeriod: 5m
eventGroupingSettings:
  aggregationKind: AlertPerResult
triggerThreshold: 0
name: Theom - Dark Data with large fin value
query: |
  TheomAlerts_CL
    | where customProps_RuleId_s == "TRIS0032" and (priority_s == "P1" or priority_s == "P2")  
severity: High
triggerOperator: gt
kind: Scheduled
relevantTechniques:
- T1560
- T1530
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic Rules/TRIS0032_Dark_Data_with_large_fin_value.yaml
queryFrequency: 5m
requiredDataConnectors:
- connectorId: Theom
  dataTypes:
  - TheomAlerts_CL
version: 1.0.2
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)"
status: Available
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}}
entityMappings:
- fieldMappings:
  - columnName: customProps_AssetName_s
    identifier: Name
  entityType: CloudApplication
- fieldMappings:
  - columnName: deepLink_s
    identifier: Url
  entityType: URL

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"
    }
  ]
}