tcp_proxy.js

var net = require('net');
var socket = net.connect({
        port: 55555 // ssh  -N -D 0.0.0.0:55555 localhost
    },function() {
        console.log('connected to ssh socks server!');
        var server = net.createServer(function(client) {
            client.pipe(socket);
        });

        server.listen(1080, '127.0.0.1'); 
    }
);