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Id9b1a3b3e-7e16-4a3b-8a8f-7f1f2b1c0a01
RulenameUtimaco ESKM - Multiple KMIP authentication failures from same IP
DescriptionThis query searches for 5 or more KMIP “Authentication Failure” events originating from the same client IP within a 15 minute window on Utimaco ESKM. This may indicate brute-force or credential-stuffing activity against the KMIP server.
SeverityMedium
TacticsCredentialAccess
TechniquesT1110
Required data connectorsUtimacoESKMConnector
KindScheduled
Query frequency15m
Query period15m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Utimaco%20Enterprise%20Secure%20Key%20Manager/Analytic%20Rules/UtimacoESKM_AuthFailureBruteForce.yaml
Version1.0.0
Arm template9b1a3b3e-7e16-4a3b-8a8f-7f1f2b1c0a01.json
Deploy To Azure
UtimacoESKMKmipServerLogs_CL
| where TimeGenerated > ago(15m)
| where Event == "Authentication Failure"
| where isnotempty(IP)
| summarize FailureCount = count(), StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), Users = make_set(User, 50) by IP
| where FailureCount >= 5
| extend IPCustomEntity = IP
requiredDataConnectors:
- dataTypes:
  - UtimacoESKMKmipServerLogs_CL
  connectorId: UtimacoESKMConnector
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Utimaco%20Enterprise%20Secure%20Key%20Manager/Analytic%20Rules/UtimacoESKM_AuthFailureBruteForce.yaml
version: 1.0.0
status: Available
queryFrequency: 15m
query: |
  UtimacoESKMKmipServerLogs_CL
  | where TimeGenerated > ago(15m)
  | where Event == "Authentication Failure"
  | where isnotempty(IP)
  | summarize FailureCount = count(), StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), Users = make_set(User, 50) by IP
  | where FailureCount >= 5
  | extend IPCustomEntity = IP
tactics:
- CredentialAccess
relevantTechniques:
- T1110
id: 9b1a3b3e-7e16-4a3b-8a8f-7f1f2b1c0a01
triggerThreshold: 0
triggerOperator: gt
name: Utimaco ESKM - Multiple KMIP authentication failures from same IP
queryPeriod: 15m
severity: Medium
entityMappings:
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
kind: Scheduled
description: |
  This query searches for 5 or more KMIP "Authentication Failure" events originating from the same client IP within a 15 minute window on Utimaco ESKM. This may indicate brute-force or credential-stuffing activity against the KMIP server.
{
  "$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/9b1a3b3e-7e16-4a3b-8a8f-7f1f2b1c0a01')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/9b1a3b3e-7e16-4a3b-8a8f-7f1f2b1c0a01')]",
      "properties": {
        "alertRuleTemplateName": "9b1a3b3e-7e16-4a3b-8a8f-7f1f2b1c0a01",
        "customDetails": null,
        "description": "This query searches for 5 or more KMIP \"Authentication Failure\" events originating from the same client IP within a 15 minute window on Utimaco ESKM. This may indicate brute-force or credential-stuffing activity against the KMIP server.\n",
        "displayName": "Utimaco ESKM - Multiple KMIP authentication failures from same IP",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Utimaco%20Enterprise%20Secure%20Key%20Manager/Analytic%20Rules/UtimacoESKM_AuthFailureBruteForce.yaml",
        "query": "UtimacoESKMKmipServerLogs_CL\n| where TimeGenerated > ago(15m)\n| where Event == \"Authentication Failure\"\n| where isnotempty(IP)\n| summarize FailureCount = count(), StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), Users = make_set(User, 50) by IP\n| where FailureCount >= 5\n| extend IPCustomEntity = IP\n",
        "queryFrequency": "PT15M",
        "queryPeriod": "PT15M",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess"
        ],
        "techniques": [
          "T1110"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}