PHP一句话扫描脚本
- 发表于
 - webshell
 
|   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91  |  <?php /**  * Created by uedbox.com.  * User: hackgyj  * Date: 15/10/28  * Time: 下午9:15  */ /********************** 作者 Spider 网上公布的各种PHP后门全军覆没 针对一些特殊变形的后门需要自己添加特征 误报率不到百分之一  **********************/ 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+)\s*\(\s*\$\{(.*)\}/i',  '/\$(\w+)\s*\(\s*chr\(\d+\)/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($path)) {  //chmod($path,0777);/*主要针对一些0111的目录*/  if(is_readable($path)) antivirus($path.'/',$exs,$matches);  } elseif(strpos($name,';') > -1 || strpos($name,'%00') > -1 || strpos($name,'/') > -1) {  echo '特征 <input type="text" style="width:218px;" value="解析漏洞"> '.$path.'<div></div>'; 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(empty($code)) continue;  foreach($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 > 6 && $len < 200) {  echo '特征 <input type="text" style="width:218px;" value="'.htmlspecialchars($array[0]).'"> '.$path.'<div></div>';  flush(); ob_flush(); break;  }  }  unset($code,$array);  }  }  closedir($handle);  return true; } function strdir($str) { return str_replace(array('\\','//','//'),array('/','/','/'),chop($str)); } echo '<form method="POST">'; echo '路径: <input type="text" name="dir" value="'.($_POST['dir'] ? strdir($_POST['dir'].'/') : strdir($_SERVER['DOCUMENT_ROOT'].'/')).'" style="width:398px;"><div></div>'; echo '后缀: <input type="text" name="exs" value="'.($_POST['exs'] ? $_POST['exs'] : '.php|.inc|.phtml').'" style="width:398px;"><div></div>'; echo '操作: <input type="submit" style="width:80px;" value="scan"><div></div>'; echo '</form>'; if(file_exists($_POST['dir']) && $_POST['exs']) {  $dir = strdir($_POST['dir'].'/');  $exs = '/('.str_replace('.','\\.',$_POST['exs']).')/i';  echo antivirus($dir,$exs,$matches) ? '<div></div>扫描完毕' : '<div></div>扫描中断'; } ?>  |  
   原文连接:PHP一句话扫描脚本  所有媒体,可在保留署名、
  原文连接
的情况下转载,若非则不得使用我方内容。