python利用scapy模块写一个TCP路由追踪和扫描存活IP的脚本

前言：

没有前言

0x01

from scapy.all import *
import sys
from socket import *
import os
from threading import *
screenlock=Semaphore(value=500)
def gsd():
  print '[*]TCP routing'
  try:
    r2,unans=traceroute([sys.argv[1]],dport=[sys.argv[2]],maxttl=20)
  except Exception,e:
      print '[-]Im sorry for the mistake. The reason is:{}'.format(e)
def IPall():
    try:
      a = IP(dst=sys.argv[1]+'/30')
      print '[*]Target all IP'
      print [p for p in a]
    except Exception,a:
        print '[-]Im sorry for the mistake. The reason is:{}'.format(a)
def os(host,port):
    try:
        s=socket(AF_INET,SOCK_STREAM)
        s.connect((host,port))
        print('[+] %d open' % port)
        s.close()
    except:
        pass
gsd()
IPall()
if __name__ == '__main__':
    setdefaulttimeout(1)
    for p in range(1,1024):
      t=Thread(target=os,args=(sys.argv[1],p))
      t.start()