💼 Management Samenvatting
Deze security regelen waarborgt de correcte configuratie van beveiligingsinstellingen op Windows endpoints.
Aanbeveling
Implementeer
Risico zonder
High
Risk Score
7/10
Implementatie
2u (tech: 1u)
Van toepassing op:
✓ Windows
Deze instelling is onderdeel van de Windows security baseline en beschermt tegen bekende aanvalsvectoren door het afdwingen van veilige configuraties.
PowerShell Modules Vereist
Primary API: Graph
Connection:
Required Modules: Microsoft.Graph.DeviceManagement
Connection:
Connect-MgGraphRequired Modules: Microsoft.Graph.DeviceManagement
Implementatie
Dit regelen Configureerert Configureer rpc over tcp port rpc over tcp port is set to Schakel ind 0 via Microsoft Intune apparaat configuratie beleid of compliance policies om Windows endpoints te beveiligen volgens security best practices.
Vereisten
Microsoft Intune via device configuratiebeleidsregels
Implementeeratie
Gebruik PowerShell-script Configureer-rpc-over-tcp-port-rpc-over-tcp-port-is-set-to-Schakel ind-0.ps1 (functie Invoke-Monitoring) – Monitoren.
monitoring
Gebruik PowerShell-script configure-rpc-over-tcp-port-rpc-over-tcp-port-is-set-to-enabled-0.ps1 (functie Invoke-Monitoring) – Controleren.
Remediatie
Gebruik PowerShell-script configure-rpc-over-tcp-port-rpc-over-tcp-port-is-set-to-enabled-0.ps1 (functie Invoke-Remediation) – Herstellen.
Compliance en Auditing
Beleid documentatie
Compliance & Frameworks
- CIS M365: Control 18.9.19.2 (L1) - CIS Security Benchmark aanbevelingen
- BIO: 16.01 - BIO Baseline Informatiebeveiliging Overheid - 16.01 - Gebeurtenissen logging en audittrails
- ISO 27001:2022: A.12.4.1 - ISO 27001:2022 - Gebeurtenissen logging en audittrails
Automation
Gebruik het onderstaande PowerShell script om deze security control te monitoren en te implementeren. Het script bevat functies voor zowel monitoring (-Monitoring) als remediation (-Remediation).
PowerShell
<#
.SYNOPSIS
Intune Security Options: RPC Over TCP Port - Dynamic (0)
.DESCRIPTION
CIS - RPC over TCP port: 0 (dynamic allocation).
.NOTES
Filename: rpc-tcp-port.ps1|Author: Nederlandse Baseline voor Veilige Cloud|Feature: RPC Security|Expected: 0 (dynamic)
#>
#Requires -Version 5.1
#Requires -RunAsAdministrator
[CmdletBinding()]param([switch]$WhatIf, [switch]$Monitoring, [switch]$Remediation, [switch]$Revert)
$ErrorActionPreference = 'Stop'; $RegPath = "HKLM:\SOFTWARE\Policies\Microsoft\Windows NT\Rpc"; $RegName = "RpcTcpPort"; $ExpectedValue = 0
function Connect-RequiredServices { $p = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent()); return $p.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator) }
function Test-Compliance {
$r = [PSCustomObject]@{ScriptName = "rpc-port.ps1"; PolicyName = "RPC TCP Port"; IsCompliant = $false; CurrentValue = $null; Details = @() }; function Invoke-Revert { Remove-ItemProperty -Path $RegPath -Name $RegName -ErrorAction SilentlyContinue }
try { if (Test-Path $RegPath) { $v = Get-ItemProperty -Path $RegPath -Name $RegName -ErrorAction SilentlyContinue; if ($v -and $v.$RegName -eq $ExpectedValue) { $r.IsCompliant = $true; $r.Details += "RPC TCP port: 0 (dynamic)" }else { $r.Details += "RPC TCP port: $($v.$RegName)" } }else { $r.IsCompliant = $true; $r.Details += "Default: dynamic" } }catch { $r.Details += "Error: $($_.Exception.Message)" }; return $r
}
function Invoke-Remediation { if (-not(Test-Path $RegPath)) { New-Item -Path $RegPath -Force | Out-Null }; Set-ItemProperty -Path $RegPath -Name $RegName -Value $ExpectedValue -Type DWord -Force; Write-Host "RPC TCP port set to 0 (dynamic)" -ForegroundColor Green }
function Invoke-Monitoring { $r = Test-Compliance; Write-Host "`n$($r.PolicyName): $(if($r.IsCompliant){'COMPLIANT'}else{'NON-COMPLIANT'})" -ForegroundColor $(if ($r.IsCompliant) { 'Green' }else { 'Red' }); return $r }
function Invoke-Revert { Remove-ItemProperty -Path $RegPath -Name $RegName -ErrorAction SilentlyContinue }
try { if (-not(Connect-RequiredServices)) { exit 1 }; if ($Monitoring) { $r = Invoke-Monitoring; exit $(if ($r.IsCompliant) { 0 }else { 1 }) }elseif ($Remediation) { if (-not $WhatIf) { Invoke-Remediation } }elseif ($Revert) { Invoke-Revert }else { $r = Test-Compliance; exit $(if ($r.IsCompliant) { 0 }else { 1 }) } }catch { Write-Error $_; exit 1 }
Risico zonder implementatie
Risico zonder implementatie
High: No auth tracking.
Management Samenvatting
Schakel in audit logging.
- Implementatietijd: 2 uur
- FTE required: 0.01 FTE