When we need to use sockets (or netcat nc) to connect to a server, here are some snippets, in 4 different languages.
Python
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| import socket
from telnetlib import Telnet
s = socket.socket()
s.connect(('YOUR IP', PORT))
s.send('Hello world!\n')
print "> " + s.recv(1024)
t = new Telnet()
t.s = s
t.interact()
s.close()
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| from pwn import *
r = remote('YOUR IP', PORT)
r.send("Hello world!\n")
print "> " + r.recv()
print r.recvuntil("END\n")
r.interactive()
|
Ruby
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| require 'socket'
a = TCPSocket.new('YOUR IP', PORT)
a.write "Hello world!"
puts "> " + a.recv(1024)
a.close
|
NodeJS
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| var net = require('net');
var client = new net.Socket();
client.connect(3333, '127.0.0.1', function() {
client.write('Hello world!');
});
client.on('data', function(data) {
console.log('> ' + data);
client.destroy();
});
client.on('close', function() {
console.log('');
});
|