Server-code

/*
	I want to install a malware/backdoor on a server running this code
*/

var net = require("net");
console.log("waiting");
var server = net.createServer(function(socket){
    socket.on("data", function(d){
        console.log("[*] we are taliking to somebody");
        console.log("[*] data")
        console.log(d);
        var buf = new Buffer(10);
        d.copy(buf);
        console.log("[*] buffer:")
        console.log(buf);
        console.log(" ");
        var data = JSON.parse(d);
        console.log(data.method);
        console.log(data.user);
        console.log(data.pas);
        socket.write("Server !O! is online!");
    });
});
server.listen(1111);