Claroty - Suspicious activity

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Id	99ad9f3c-304c-44c5-a61f-3a17f8b58218
Rulename	Claroty - Suspicious activity
Description	Detects suspicious behavior that is generally indicative of malware.
Severity	High
Tactics	Discovery
Techniques	T1018
Required data connectors	CefAma Claroty ClarotyAma
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotySuspiciousActivity.yaml
Version	1.0.2
Arm template	99ad9f3c-304c-44c5-a61f-3a17f8b58218.json

KQL

ClarotyEvent
| where EventOriginalType has 'Suspicious Activity' or EventType has 'Suspicious Activity'
| project TimeGenerated, DstIpAddr
| extend IPCustomEntity = DstIpAddr

YAML

relevantTechniques:
- T1018
name: Claroty - Suspicious activity
requiredDataConnectors:
- dataTypes:
  - ClarotyEvent
  connectorId: Claroty
- dataTypes:
  - ClarotyEvent
  connectorId: ClarotyAma
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
  entityType: IP
triggerThreshold: 0
id: 99ad9f3c-304c-44c5-a61f-3a17f8b58218
tactics:
- Discovery
version: 1.0.2
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotySuspiciousActivity.yaml
queryPeriod: 1h
kind: Scheduled
queryFrequency: 1h
severity: High
status: Available
description: |
    'Detects suspicious behavior that is generally indicative of malware.'
query: |
  ClarotyEvent
  | where EventOriginalType has 'Suspicious Activity' or EventType has 'Suspicious Activity'
  | project TimeGenerated, DstIpAddr
  | extend IPCustomEntity = DstIpAddr  
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/99ad9f3c-304c-44c5-a61f-3a17f8b58218')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/99ad9f3c-304c-44c5-a61f-3a17f8b58218')]",
      "properties": {
        "alertRuleTemplateName": "99ad9f3c-304c-44c5-a61f-3a17f8b58218",
        "customDetails": null,
        "description": "'Detects suspicious behavior that is generally indicative of malware.'\n",
        "displayName": "Claroty - Suspicious activity",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotySuspiciousActivity.yaml",
        "query": "ClarotyEvent\n| where EventOriginalType has 'Suspicious Activity' or EventType has 'Suspicious Activity'\n| project TimeGenerated, DstIpAddr\n| extend IPCustomEntity = DstIpAddr\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Discovery"
        ],
        "techniques": [
          "T1018"
        ],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}