Python 3 Multi Threaded Port Scanner
nmap does a better job of scanning, fingerprinting, detecting OS, etc. However if you wanted to roll your own port scanner, python can do it:
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import socket # as we are opening sockets, need the module import time # time our script import threading # we want to multi thread this from queue import Queue # and have queue management # .45 took 159 seconds (and missed a port) # .25 took 87 seconds # .15 took 54 seconds socket.setdefaulttimeout(0.55) # lock thread during print so we get cleaner outputs print_lock = threading.Lock() # notify user target = input('Host to Scan: ') # convert to ip, if they give us a name # this requires that it actually resolves t_IP = socket.gethostbyname(target) print ('Scanning Host for Open Ports: ', t_IP) # define our port scan process def portscan(port): # create socket object s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # try to connect try: # create/open connection conx = s.connect((t_IP, port)) # don't let thread contention screw up printing with print_lock: print(port, 'is open') # close out that connection conx.close() except: pass # threader thread pulls worker from queue and processes def threader(): while True: # gets worker from queue worker = q.get() # run job with savailable worker in queue (thread) portscan(worker) # complete with the job, shut down thread? q.task_done() # create queue and threader q = Queue() # start time startTime = time.time() # 100 threads took 172 seconds # 200 threads took 87 seconds for x in range(200): # thread id t = threading.Thread(target = threader) # classifying as a daemon, so they will die when the main dies t.daemon = True # begins, must come after daemon definition t.start() # this is the range or variable passed to the worker pool for worker in range(1, 65535): q.put(worker) # wait until thrad terminates q.join() # ok, give us a final time report runtime = float("%0.2f" % (time.time() - startTime)) print("Run Time: ", runtime, "seconds") |
working as a charm!
will this work if i target my phone
Hi Zubin – yes, any device. It must be reachable on the same network or routed to each other. If the target device has a firewall or other protection, that will stop a scan. Otherwise, yes. If you are on wifi from the scanner and the phone is on the same wifi, and there are no firewalls blocking connectivity, you should be able to scan.