Python基于scapy实现修改IP发送请求的方法示例

#!/usr/bin/env python
#-*-encoding:UTF-8-*-
from scapy.all import *
from threading import Thread
from Queue import Queue
import random
import string
USER_AGENTS = ( # items used for picking random HTTP User-Agent header value
  "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_7_0; en-US) AppleWebKit/534.21 (KHTML, like Gecko) Chrome/11.0.678.0 Safari/534.21",
  "Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)",
  "Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:0.9.2) Gecko/20020508 Netscape6/6.1",
  "Mozilla/5.0 (X11;U; Linux i686; en-GB; rv:1.9.1) Gecko/20090624 Ubuntu/9.04 (jaunty) Firefox/3.5",
  "Opera/9.80 (X11; U; Linux i686; en-US; rv:1.9.2.3) Presto/2.2.15 Version/10.10"
)
TOP_DOMAIN = ('com','org','net','gov','edu','mil','info','name','biz')
DOMAIN = ["www.%s.%s" %(
    '.'.join(''.join(random.sample(string.ascii_lowercase, random.randint(2,6))) for x in range(random.randint(1,2))),
    random.choice(TOP_DOMAIN))
    for _ in range(100)
]
SOURCE = ['.'.join((str(random.randint(1,254)) for _ in range(4))) for _ in range(100)]
class Scan(Thread):
  HTTPSTR = 'GET / HTTP/1.0\r\nHost: %s\r\nUser-Agent: %s\r\n\r\n'
  def run(self):
    for _ in xrange(100):
      domain = random.choice(DOMAIN)
      http = self.HTTPSTR % (domain,random.choice(USER_AGENTS))
      try:
        request = IP(src=random.choice(SOURCE),dst=domain) / TCP(dport=80) / http
        #request = IP(dst=domain) / TCP(dport=80) / http
        send(request)
      except:
        pass
task = []
for x in range(10):
  t = Scan()
  task.append(t)
for t in task:
  t.start()
for t in task:
  t.join()
print 'all task done!'