signposhscripts's Introduction

SignPoshScript

WPF GUI written im PowerShell to sign your scripts.

Prerequisites

You need to import at least one CodeSigning Certificate into your users certificate store at: Cert:\CurrentUser\My\

The enhanced key usage (EKU) must be Code Signing (1.3.6.1.5.5.7.3.3)

Files

CodeSigningTool.exe - precompiled executable of the PoSh Sign.ps1 script
SignPS.ps1 - WFP / PowerShell source code

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signposhscripts's Issues

Not showing up any certificates to use

I tried several tutorials to create a cert (like https://adamtheautomator.com/how-to-sign-powershell-script/ for example)
and i also tried the following code which was generated by phind:

param (
    [switch]$skipUAC = $false
)

if (-Not $skipUAC) {
    if (-Not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] 'Administrator')) {
        if ([int](Get-CimInstance -Class Win32_OperatingSystem | Select-Object -ExpandProperty BuildNumber) -ge 6000) {
            $CommandLine = "-File `"" + $MyInvocation.MyCommand.Path + "`" " + $MyInvocation.UnboundArguments
            Start-Process -FilePath PowerShell.exe -Verb Runas -ArgumentList $CommandLine
            Exit
        }
    }
}
function Generate-Certificate {
    $cert = New-SelfSignedCertificate -DnsName 'localhost' -CertStoreLocation 'cert:\LocalMachine\My'
    $store = New-Object System.Security.Cryptography.X509Certificates.X509Store 'Root', 'LocalMachine'
    $store.Open('ReadWrite')
    $store.Add($cert)
    $store.Close()
}
Add-Type -AssemblyName System.Windows.Forms
$form = New-Object System.Windows.Forms.Form
$form.Text = 'Certificate Generator'
$generateButton = New-Object System.Windows.Forms.Button
$generateButton.Text = 'Generate Certificate'
$generateButton.Add_Click({ Generate-Certificate }) # We'll define this function later
$form.Controls.Add($generateButton)
$form.ShowDialog()