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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
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Trend%20Micro%20Apex%20One/Analytic%20Rules/TMApexOneMultipleDenyOrTerminateActionOnSingleIp.yaml
Version1.0.3
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
status: Available
kind: Scheduled
triggerThreshold: 0
id: cd94e078-67b7-11ec-90d6-0242ac120003
queryPeriod: 1h
triggerOperator: gt
description: |
  'Detects multiple deny or terminate actions on single IP.'
entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
severity: High
requiredDataConnectors:
- connectorId: CefAma
  dataTypes:
  - CommonSecurityLog
queryFrequency: 1h
relevantTechniques:
- T1190
version: 1.0.3
tactics:
- InitialAccess
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Trend%20Micro%20Apex%20One/Analytic%20Rules/TMApexOneMultipleDenyOrTerminateActionOnSingleIp.yaml
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
name: ApexOne - Multiple deny or terminate actions on single IP
{
  "$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%20Micro%20Apex%20One/Analytic%20Rules/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"
    }
  ]
}