Microsoft Sentinel Analytic Rules
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ApexOne - Multiple deny or terminate actions on single IP

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Idcd94e078-67b7-11ec-90d6-0242ac120003
RulenameApexOne - Multiple deny or terminate actions on single IP
DescriptionDetects multiple deny or terminate actions on single IP.
SeverityHigh
TacticsInitialAccess
TechniquesT1190
Required data connectorsCefAma
TrendMicroApexOne
TrendMicroApexOneAma
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Trend Micro Apex One/Analytic Rules/TMApexOneMultipleDenyOrTerminateActionOnSingleIp.yaml
Version1.0.2
Arm templatecd94e078-67b7-11ec-90d6-0242ac120003.json
Deploy To Azure
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
queryPeriod: 1h
version: 1.0.2
tactics:
- InitialAccess
queryFrequency: 1h
id: cd94e078-67b7-11ec-90d6-0242ac120003
triggerOperator: gt
requiredDataConnectors:
- dataTypes:
  - TMApexOneEvent
  connectorId: TrendMicroApexOne
- dataTypes:
  - TMApexOneEvent
  connectorId: TrendMicroApexOneAma
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
severity: High
entityMappings:
- entityType: IP
  fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
triggerThreshold: 0
relevantTechniques:
- T1190
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  
kind: Scheduled
name: ApexOne - Multiple deny or terminate actions on single IP
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.'
status: Available
{
  "$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": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}