metasploitable3/scripts/installs/install_dotnet45.ps1

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$Logfile = "C:\Windows\Temp\dotnet-install.log"
function LogWrite {
Param ([string]$logstring)
$now = Get-Date -format s
Add-Content $Logfile -value "$now $logstring"
Write-Host $logstring
}
LogWrite "Downloading dotNet 4.5.1"
try {
(New-Object System.Net.WebClient).DownloadFile('http://download.microsoft.com/download/1/6/7/167F0D79-9317-48AE-AEDB-17120579F8E2/NDP451-KB2858728-x86-x64-AllOS-ENU.exe', 'C:\Windows\Temp\dotnet.exe')
} catch {
LogWrite $_.Exception | Format-List -force
LogWrite "Failed to download file."
}
LogWrite "Starting installation process..."
try {
Start-Process -FilePath "C:\Windows\Temp\dotnet.exe" -ArgumentList "/I /q /norestart" -Wait -PassThru
} catch {
LogWrite $_.Exception | Format-List -force
LogWrite "Exception during install process."
}