php webshell扫描后门木马实例程序
本文章来给大家介绍一个php webshell扫描后门木马实例程序,这个可以扫描你网站上的木马程序,这个给大家找网站木马提供了很大的方便.
php webshell扫描后门木马实例程序代码如下:
<?php /********************** php扫描后门 **********************/ error_reporting(E_ERROR); ini_set('max_execution_time', 20000); ini_set('memory_limit', '512M'); header("content-Type: text/html; charset=gb2312"); $matches = array( '/function\_exists\s*\(\s*[\'|\"](popen|exec|proc\_open|system|passthru)+[\'|\"]\s*\)/i', '/(exec|shell\_exec|system|passthru)+\s*\(\s*\$\_(\w+)\[(.*)\]\s*\)/i', '/((udp|tcp)\:\/\/(.*)\;)+/i', '/preg\_replace\s*\((.*)\/e(.*)\,\s*\$\_(.*)\,(.*)\)/i', '/preg\_replace\s*\((.*)\(base64\_decode\(\$/i', '/(eval|assert|include|require|include\_once|require\_once)+\s*\(\s*(base64\_decode|str\_rot13|gz(\w+)|file\_(\w+)\_contents|(.*)php\:\/\/input)+/i', '/(eval|assert|include|require|include\_once|require\_once|array\_map|array\_walk)+\s*\(\s*\$\_(GET|POST|REQUEST|COOKIE|SERVER|SESSION)+\[(.*)\]\s*\)/i', '/eval\s*\(\s*\(\s*\$\$(\w+)/i', '/(include|require|include\_once|require\_once)+\s*\(\s*[\'|\"](\w+)\.(jpg|gif|ico|bmp|png|txt|zip|rar|htm|css|js)+[\'|\"]\s*\)/i', '/\$\_(\w+)(.*)(eval|assert|include|require|include\_once|require\_once)+\s*\(\s*\$(\w+)\s*\)/i', '/\(\s*\$\_FILES\[(.*)\]\[(.*)\]\s*\,\s*\$\_(GET|POST|REQUEST|FILES)+\[(.*)\]\[(.*)\]\s*\)/i', '/(fopen|fwrite|fputs|file\_put\_contents)+\s*\((.*)\$\_(GET|POST|REQUEST|COOKIE|SERVER)+\[(.*)\](.*)\)/i', '/echo\s*curl\_exec\s*\(\s*\$(\w+)\s*\)/i', '/new com\s*\(\s*[\'|\"]shell(.*)[\'|\"]\s*\)/i', '/\$(.*)\s*\((.*)\/e(.*)\,\s*\$\_(.*)\,(.*)\)/i', '/\$\_\=(.*)\$\_/i', '/\$\_(GET|POST|REQUEST|COOKIE|SERVER)+\[(.*)\]\(\s*\$(.*)\)/i', '/\$(\w+)\s*\(\s*\$\_(GET|POST|REQUEST|COOKIE|SERVER)+\[(.*)\]\s*\)/i', '/\$(\w+)\(\$\{(.*)\}/i' ); function antivirus($dir, $exs, $matches) { if (($handle = @opendir($dir)) == NULL) return false; while (false !== ($name = readdir($handle))) { if ($name == '.' || $name == '..') continue; $path = $dir . $name; if (is_dir($path)) { if (is_readable($path)) antivirus($path . '/', $exs, $matches); } elseif (strpos($name, ';') > - 1 || strpos($name, '%00') > - 1 || strpos($name, '/') > - 1) { echo '<p>特征 <input type="text" style="width:218px;" value="解析漏洞"> ' . $path . '</p>'; flush(); ob_flush(); } else { if (!preg_match($exs, $name)) continue; if (filesize($path) > 10000000) continue; $fp = fopen($path, 'r'); $code = fread($fp, filesize($path)); fclose($fp); if (emptyempty($code)) continue; foreach ($matches as $matche) { $array = array(); preg_match($matche, $code, $array); if (!$array) continue; if (strpos($array[0], "\x24\x74\x68\x69\x73\x2d\x3e")) continue; $len = strlen($array[0]); if ($len > 10 && $len < 1500) { echo '<p>特征 <input type="text" style="width:218px;" value="' . htmlspecialchars($array[0]) . '"> ' . $path . '</p>'; flush(); ob_flush(); break; } } unset($code, $array); } } closedir($handle); return true; } function strdir($str) { return str_replace(array( '\\', '//', '//' ) , array( '/', '/', '/' ) , chop($str)); } echo '<form method="POST">'; echo '<p>路径: <input type="text" name="dir" value="' . ($_POST['dir'] ? strdir($_POST['dir'] . '/') : strdir($_SERVER['DOCUMENT_ROOT'] . '/')) . '" style="width:398px;"></p>'; echo '<p>后缀: <input type="text" name="exs" value="' . ($_POST['exs'] ? $_POST['exs'] : '.php|.inc|.phtml') . '" style="width:398px;"></p>'; echo '<p>操作: <input type="submit" style="width:80px;" value="scan"></p>'; echo '</form>'; if (file_exists($_POST['dir']) && $_POST['exs']) { $dir = strdir($_POST['dir'] . '/'); $exs = '/(' . str_replace('.', '\\.', $_POST['exs']) . ')/i'; echo antivirus($dir, $exs, $matches) ? '<p>扫描完毕</p>' : '<p>扫描中断</p>'; }
教程链接:http://www.phprm.com/develop/fs4618.html
随意转载~但请保留教程地址★