import hashlib import itertools from pwn import * import string context.log_level = 'debug' r=remote("localhost",10001) strings=r.recvline().decode('utf-8') alpha_bet = string.ascii_lowercase + string.digits strlist = itertools.permutations(alpha_bet, 5) obj = re.search('\w{32}', strings)[0] obj2 = re.search('\w{15}', strings)[0] for i in strlist: data=i[0]+i[1]+i[2]+i[3]+i[4]+obj2 data_sha=hashlib.md5(data.encode('utf-8')).hexdigest() if(data_sha==obj): print(data[:5]) r.sendline(data[:5].encode()) break r.recvline() r.close()