Theom Medium Risks | Microsoft Sentinel Analytic Rules

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Id	4cb34832-f73a-49f2-8d38-c2d135c5440b
Rulename	Theom Medium Risks
Description	“Creates Microsoft Sentinel incidents for medium risk Theom alerts.”
Severity	High
Tactics	Collection CommandAndControl CredentialAccess DefenseEvasion Discovery Exfiltration Impact Reconnaissance
Techniques	T1592 T1589 T1070 T1552 T1619 T1119 T1560 T1530 T1213 T1001 T1041 T1537 T1485 T1486 T1565
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%20Rules/TheomRisksMedium.yaml
Version	1.0.2
Arm template	4cb34832-f73a-49f2-8d38-c2d135c5440b.json

KQL

TheomAlerts_CL
 | where priority_s == "P3"

YAML

triggerThreshold: 0
version: 1.0.2
kind: Scheduled
description: |
  "Creates Microsoft Sentinel incidents for medium risk Theom alerts."
queryFrequency: 5m
triggerOperator: gt
relevantTechniques:
- T1592
- T1589
- T1070
- T1552
- T1619
- T1119
- T1560
- T1530
- T1213
- T1001
- T1041
- T1537
- T1485
- T1486
- T1565
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: customProps_AssetName_s
  entityType: CloudApplication
- fieldMappings:
  - identifier: Url
    columnName: deepLink_s
  entityType: URL
id: 4cb34832-f73a-49f2-8d38-c2d135c5440b
query: |
  TheomAlerts_CL
   | where priority_s == "P3"
eventGroupingSettings:
  aggregationKind: AlertPerResult
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}}
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic%20Rules/TheomRisksMedium.yaml
requiredDataConnectors:
- dataTypes:
  - TheomAlerts_CL
  connectorId: Theom
tactics:
- Collection
- CommandAndControl
- CredentialAccess
- DefenseEvasion
- Discovery
- Exfiltration
- Impact
- Reconnaissance
queryPeriod: 5m
severity: High
status: Available
name: Theom Medium Risks

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/4cb34832-f73a-49f2-8d38-c2d135c5440b')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/4cb34832-f73a-49f2-8d38-c2d135c5440b')]",
      "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": "4cb34832-f73a-49f2-8d38-c2d135c5440b",
        "customDetails": null,
        "description": "\"Creates Microsoft Sentinel incidents for medium risk Theom alerts.\"\n",
        "displayName": "Theom Medium Risks",
        "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%20Rules/TheomRisksMedium.yaml",
        "query": "TheomAlerts_CL\n | where priority_s == \"P3\"\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Collection",
          "CommandAndControl",
          "CredentialAccess",
          "DefenseEvasion",
          "Discovery",
          "Exfiltration",
          "Impact",
          "Reconnaissance"
        ],
        "techniques": [
          "T1001",
          "T1041",
          "T1070",
          "T1119",
          "T1213",
          "T1485",
          "T1486",
          "T1530",
          "T1537",
          "T1552",
          "T1560",
          "T1565",
          "T1589",
          "T1592",
          "T1619"
        ],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}