Microsoft Sentinel Analytic Rules
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Oracle - Multiple server errors from single IP

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Id268f4fde-5740-11ec-bf63-0242ac130002
RulenameOracle - Multiple server errors from single IP
DescriptionDetects multiple server errors from one source in short timeframe
SeverityMedium
TacticsImpact
InitialAccess
TechniquesT1498
T1190
T1133
Required data connectorsCustomLogsAma
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleWebLogicServer/Analytic Rules/OracleWebLogicMultipleServerErrorsRequestsFromSingleIP.yaml
Version1.0.3
Arm template268f4fde-5740-11ec-bf63-0242ac130002.json
Deploy To Azure
let threshold = 100;
OracleWebLogicServerEvent
| where HttpStatusCode >= 500 and HttpStatusCode <= 599 
| summarize MultipleServerErrors = count() by SrcIpAddr, bin(TimeGenerated, 5m)
| where MultipleServerErrors > threshold
| extend IPCustomEntity = SrcIpAddr
status: Available
id: 268f4fde-5740-11ec-bf63-0242ac130002
query: |
  let threshold = 100;
  OracleWebLogicServerEvent
  | where HttpStatusCode >= 500 and HttpStatusCode <= 599 
  | summarize MultipleServerErrors = count() by SrcIpAddr, bin(TimeGenerated, 5m)
  | where MultipleServerErrors > threshold
  | extend IPCustomEntity = SrcIpAddr  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleWebLogicServer/Analytic Rules/OracleWebLogicMultipleServerErrorsRequestsFromSingleIP.yaml
description: |
    'Detects multiple server errors from one source in short timeframe'
name: Oracle - Multiple server errors from single IP
relevantTechniques:
- T1498
- T1190
- T1133
entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
triggerThreshold: 0
severity: Medium
requiredDataConnectors:
- dataTypes:
  - OracleWebLogicServer_CL
  connectorId: CustomLogsAma
queryFrequency: 1h
queryPeriod: 1h
version: 1.0.3
kind: Scheduled
tactics:
- Impact
- InitialAccess
triggerOperator: gt
{
  "$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/268f4fde-5740-11ec-bf63-0242ac130002')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/268f4fde-5740-11ec-bf63-0242ac130002')]",
      "properties": {
        "alertRuleTemplateName": "268f4fde-5740-11ec-bf63-0242ac130002",
        "customDetails": null,
        "description": "'Detects multiple server errors from one source in short timeframe'\n",
        "displayName": "Oracle - Multiple server errors from single IP",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleWebLogicServer/Analytic Rules/OracleWebLogicMultipleServerErrorsRequestsFromSingleIP.yaml",
        "query": "let threshold = 100;\nOracleWebLogicServerEvent\n| where HttpStatusCode >= 500 and HttpStatusCode <= 599 \n| summarize MultipleServerErrors = count() by SrcIpAddr, bin(TimeGenerated, 5m)\n| where MultipleServerErrors > threshold\n| extend IPCustomEntity = SrcIpAddr\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Impact",
          "InitialAccess"
        ],
        "techniques": [
          "T1133",
          "T1190",
          "T1498"
        ],
        "templateVersion": "1.0.3",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}