ApexOne - Multiple deny or terminate actions on single IP

let threshold = 5;
TMApexOneEvent
| where EventMessage has "Behavior Monitoring"
| where DvcAction == 2 or DvcAction == 3
| summarize count() by SrcIpAddr, bin(TimeGenerated, 10m)
| where count_ > threshold
| extend IPCustomEntity = SrcIpAddr

tactics:
- InitialAccess
entityMappings:
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
queryPeriod: 1h
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
triggerThreshold: 0
status: Available
kind: Scheduled
relevantTechniques:
- T1190
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Trend Micro Apex One/Analytic Rules/TMApexOneMultipleDenyOrTerminateActionOnSingleIp.yaml
description: |
    'Detects multiple deny or terminate actions on single IP.'
query: |
  let threshold = 5;
  TMApexOneEvent
  | where EventMessage has "Behavior Monitoring"
  | where DvcAction == 2 or DvcAction == 3
  | summarize count() by SrcIpAddr, bin(TimeGenerated, 10m)
  | where count_ > threshold
  | extend IPCustomEntity = SrcIpAddr  
version: 1.0.3
id: cd94e078-67b7-11ec-90d6-0242ac120003
name: ApexOne - Multiple deny or terminate actions on single IP
queryFrequency: 1h
triggerOperator: gt
severity: High

{
  "$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/cd94e078-67b7-11ec-90d6-0242ac120003')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/cd94e078-67b7-11ec-90d6-0242ac120003')]",
      "properties": {
        "alertRuleTemplateName": "cd94e078-67b7-11ec-90d6-0242ac120003",
        "customDetails": null,
        "description": "'Detects multiple deny or terminate actions on single IP.'\n",
        "displayName": "ApexOne - Multiple deny or terminate actions on single IP",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Trend Micro Apex One/Analytic Rules/TMApexOneMultipleDenyOrTerminateActionOnSingleIp.yaml",
        "query": "let threshold = 5;\nTMApexOneEvent\n| where EventMessage has \"Behavior Monitoring\"\n| where DvcAction == 2 or DvcAction == 3\n| summarize count() by SrcIpAddr, bin(TimeGenerated, 10m)\n| where count_ > threshold\n| extend IPCustomEntity = SrcIpAddr\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1190"
        ],
        "templateVersion": "1.0.3",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}