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 Threadfrom Queue import Queueimport randomimport stringUSER_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:        passtask = []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!'