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

kind: Scheduled
relevantTechniques:
- T1018
description: |
    'Detects suspicious behavior that is generally indicative of malware.'
queryPeriod: 1h
queryFrequency: 1h
tactics:
- Discovery
name: Claroty - Suspicious activity
requiredDataConnectors:
- connectorId: Claroty
  dataTypes:
  - ClarotyEvent
- connectorId: ClarotyAma
  dataTypes:
  - ClarotyEvent
- connectorId: CefAma
  dataTypes:
  - CommonSecurityLog
entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
triggerThreshold: 0
version: 1.0.2
id: 99ad9f3c-304c-44c5-a61f-3a17f8b58218
query: |
  ClarotyEvent
  | where EventOriginalType has 'Suspicious Activity' or EventType has 'Suspicious Activity'
  | project TimeGenerated, DstIpAddr
  | extend IPCustomEntity = DstIpAddr  
status: Available
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotySuspiciousActivity.yaml
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/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"
    }
  ]
}