ZqCJgM2C

1import sys
2import socket
3import os
4from random import choice
5from string import ascii_uppercase
6import hashlib
7from Crypto.Cipher import AES
8import base64
9latin = "d3fe3951cf462aeaba9f172be419ebbb"
10base = "WkNQf6pgqMkXqxhydBlpttC5Bpmd95WRqwI2BAzeYEg="
11
12def inter(words):
13        if (words.split()[1] == "mihi"):
14		secret_key = latin[0:16]
15		cipher = AES.new(secret_key,AES.MODE_ECB)
16		decoded = cipher.decrypt(base64.b64decode(base))
17		return decoded
18	else:
19	      return "Flag: "
20
21sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
22if os.geteuid()==0:
23	server_address = ('0.0.0.0', 1)
24	sock.bind(server_address)
25        sock.settimeout(5)
26	sock.listen(1)
27	while True:
28	    try:
29		connection, client_address = sock.accept()
30		connection.setblocking(1)
31		try:
32		    while True:
33		        data = connection.recv(512)
34
35		        if data:
36		            m = hashlib.md5()
37                            m.update(data[:-1])
38			    if m.hexdigest() == latin:
39				  connection.sendall(inter(data[:-1]))
40		        else:
41                            t = hashlib.md5()
42                            t.update(''.join(choice(ascii_uppercase) for i in range(12)))
43		            connection.sendall(t.hexdigest())
44		            break
45
46		finally:
47		    connection.close()
48
49	    except socket.timeout:
50		break