# Import the Posh-SSH module
Import-Module Posh-SSH

# Define the connection details
$server = "your_server_ip_or_hostname"
$port = 22
$username = "your_username"
$password = "your_password"

# Define the command to run as root
$command = "your_command_here"

# Create a new SSH session
$securePassword = ConvertTo-SecureString $password -AsPlainText -Force
$credential = New-Object -TypeName PSCredential -ArgumentList $username, $securePassword
$session = New-SSHSession -ComputerName $server -Port $port -Credential $credential

if ($session) {
    try {
        Write-Host "Connected to $server"

        # Create a shell stream
        $stream = $session.Session.CreateShellStream("PS-SSH", 0, 0, 0, 0, 100)

        # Get the current user's name
        $user = Invoke-SSHCommand -SessionId $session.SessionId -Command "whoami"
        $SSHusersName = $user.Output | Out-String
        $SSHusersName = $SSHusersName.Trim()

        # Define the secure password action
        $secpas = {
            param ($stream)
            $stream.WriteLine($using:password)
        }

        # Execute sudo su - and provide the password
        $results = Invoke-SSHStreamExpectSecureAction -ShellStream $stream -Command "sudo su -" -ExpectString "[sudo] password for $($SSHusersName):" -SecureAction $secpas
        $stream.Read()

        # Execute the command as root
        $stream.WriteLine($command)
        Start-Sleep -Seconds 1  # Give it a moment to execute
        $output = $stream.Read()
        
        # Output the result
        Write-Host "Command executed as root. Output:"
        Write-Host $output
    } catch {
        Write-Host "Error: $_"
    } finally {
        # Disconnect the session
        Remove-SSHSession -SessionId $session.SessionId
    }
} else {
    Write-Host "Failed to connect to $server"
}