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

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"
    }
  ]
}