Theom Medium Risks

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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 Rules/TheomRisksMedium.yaml
Version	1.0.2
Arm template	4cb34832-f73a-49f2-8d38-c2d135c5440b.json

KQL

TheomAlerts_CL
 | where priority_s == "P3"

YAML

requiredDataConnectors:
- connectorId: Theom
  dataTypes:
  - TheomAlerts_CL
query: |
  TheomAlerts_CL
   | where priority_s == "P3"  
description: |
    "Creates Microsoft Sentinel incidents for medium risk Theom alerts."
kind: Scheduled
name: Theom Medium Risks
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Theom/Analytic Rules/TheomRisksMedium.yaml
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
queryFrequency: 5m
version: 1.0.2
tactics:
- Collection
- CommandAndControl
- CredentialAccess
- DefenseEvasion
- Discovery
- Exfiltration
- Impact
- Reconnaissance
id: 4cb34832-f73a-49f2-8d38-c2d135c5440b
eventGroupingSettings:
  aggregationKind: AlertPerResult
triggerThreshold: 0
alertDetailsOverride:
  alertDescriptionFormat: |2

    Summary: {{summary_s}}  
    Additional info: {{details_s}}
    Please investigate further on Theom UI at {{deepLink_s}}
  alertDisplayNameFormat: 'Theom Alert ID: {{id_s}} '
status: Available
queryPeriod: 5m
triggerOperator: gt
severity: High

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 Rules/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"
    }
  ]
}