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33
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1 #!/usr/bin/python
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2
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3
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4 from optparse import OptionParser
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5
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6 import socket
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7
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8 def h2ip(host):
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9 try:
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10 ip = socket.gethostbyname(host)
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11 return ip
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12 except:
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13 return None
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14
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15 def connect_to(host, port):
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16 try:
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17 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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18 s.connect((host,port))
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19 return s
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20 except:
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21 s.close()
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22 return None
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23
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24 def bgrabber(sock):
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25 try:
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26 sock.send("port scan now!")
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27 banner = sock.recv(1024)
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28 return banner
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29 except:
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30 return None
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31
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32 def scan(host, port):
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33 sock = connect_to(host, port)
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34 socket.setdefaulttimeout(5)
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35 if sock:
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36 print("++ Connect %s:\t%d" %(host, port))
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37 banner = bgrabber(sock)
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38 if banner:
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39 print("++ Grab banner :\n\t%s" %banner)
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40 else:
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41 print("-- Can't grab the target banner")
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42 sock.close()
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43 else:
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44 print("-- Not connect %s:\t%d" % (host, port))
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45
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46
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47
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48 if __name__=="__main__":
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49 parser=OptionParser()
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50 parser.add_option("-t", "--target", dest="host", type="string",
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51 help="enter host name", metavar="exemple.com")
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52 parser.add_option("-p", "--port", dest="ports", type="string",
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53 help="port you want to scan separated by comma", metavar="PORT")
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54
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55 (options, args) = parser.parse_args()
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56
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57 if options.host == None or options.ports == None:
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58 parser.print_help()
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59 else:
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60 host = options.host
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61 ports = (options.ports).split(",")
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62 try:
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63 ports = list(filter(int, ports))
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64 ip = h2ip(host)
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65 if ip:
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66 print("++ Running scan on %s"%host)
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67 print("++ Target IP: %s"%ip)
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68 for port in ports:
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69 scan(host, int(port))
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70 else:
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71 print("-- Invalid host")
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72 except:
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73 print("Invalid port list (e.g: -p 21,22,53,..)")
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74
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75
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76
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