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

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

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"
    }
  ]
}