Oracle - Put suspicious file

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Id	edc2f2b4-573f-11ec-bf63-0242ac130002
Rulename	Oracle - Put suspicious file
Description	Detects PUT or POST of suspicious file
Severity	Medium
Tactics	InitialAccess Exfiltration
Techniques	T1190 T1133 T1048
Required data connectors	CustomLogsAma OracleWebLogicServer
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleWebLogicServer/Analytic Rules/OracleWebLogicPutSuspiciousFiles.yaml
Version	1.0.2
Arm template	edc2f2b4-573f-11ec-bf63-0242ac130002.json

KQL

OracleWebLogicServerEvent
| where HttpRequestMethod in~ ("POST", "PUT") 
| extend File = extract(@"(.*\/)?(.*)", 2, tostring(UrlOriginal))
| where isnotempty(File)
| where File matches regex @"([a-zA-Z0-9-_]+\.)([a-zA-Z0-9-]+\.[a-zA-Z0-9-]+)"
| extend IPCustomEntity = SrcIpAddr, FileCustomEntity = File, UrlCustomEntity = UrlOriginal

YAML

relevantTechniques:
- T1190
- T1133
- T1048
name: Oracle - Put suspicious file
requiredDataConnectors:
- dataTypes:
  - OracleWebLogicServerEvent
  connectorId: OracleWebLogicServer
- dataTypes:
  - OracleWebLogicServer_CL
  connectorId: CustomLogsAma
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: FileCustomEntity
  entityType: File
- fieldMappings:
  - identifier: Url
    columnName: UrlCustomEntity
  entityType: URL
- fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
  entityType: IP
triggerThreshold: 0
id: edc2f2b4-573f-11ec-bf63-0242ac130002
tactics:
- InitialAccess
- Exfiltration
version: 1.0.2
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleWebLogicServer/Analytic Rules/OracleWebLogicPutSuspiciousFiles.yaml
queryPeriod: 1h
kind: Scheduled
queryFrequency: 1h
severity: Medium
status: Available
description: |
    'Detects PUT or POST of suspicious file'
query: |
  OracleWebLogicServerEvent
  | where HttpRequestMethod in~ ("POST", "PUT") 
  | extend File = extract(@"(.*\/)?(.*)", 2, tostring(UrlOriginal))
  | where isnotempty(File)
  | where File matches regex @"([a-zA-Z0-9-_]+\.)([a-zA-Z0-9-]+\.[a-zA-Z0-9-]+)"
  | extend IPCustomEntity = SrcIpAddr, FileCustomEntity = File, UrlCustomEntity = UrlOriginal  
triggerOperator: gt

ARM

{
  "$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/edc2f2b4-573f-11ec-bf63-0242ac130002')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/edc2f2b4-573f-11ec-bf63-0242ac130002')]",
      "properties": {
        "alertRuleTemplateName": "edc2f2b4-573f-11ec-bf63-0242ac130002",
        "customDetails": null,
        "description": "'Detects PUT or POST of suspicious file'\n",
        "displayName": "Oracle - Put suspicious file",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "File",
            "fieldMappings": [
              {
                "columnName": "FileCustomEntity",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "URL",
            "fieldMappings": [
              {
                "columnName": "UrlCustomEntity",
                "identifier": "Url"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleWebLogicServer/Analytic Rules/OracleWebLogicPutSuspiciousFiles.yaml",
        "query": "OracleWebLogicServerEvent\n| where HttpRequestMethod in~ (\"POST\", \"PUT\") \n| extend File = extract(@\"(.*\\/)?(.*)\", 2, tostring(UrlOriginal))\n| where isnotempty(File)\n| where File matches regex @\"([a-zA-Z0-9-_]+\\.)([a-zA-Z0-9-]+\\.[a-zA-Z0-9-]+)\"\n| extend IPCustomEntity = SrcIpAddr, FileCustomEntity = File, UrlCustomEntity = UrlOriginal\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Exfiltration",
          "InitialAccess"
        ],
        "techniques": [
          "T1048",
          "T1133",
          "T1190"
        ],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}