PHP Web 木马扫描器

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scanner.php：

PHP Web 木马扫描器









用户名:  密码:  ';
}
elseif(isset($_POST['username']) && isset($_POST['password']) && (md5(md5($_POST['username']).md5($_POST['password']))==$md5))
{
 setcookie("t00ls", $md5, time()+60*60*24*365,"/");
 echo "登陆成功！";
 header( 'refresh: 1; url='.MYFILE.'?action=scan' );
 exit();
}
else
{
 setcookie("t00ls", $md5, time()+60*60*24*365,"/");
 $setting = getSetting();
 $action = isset($_GET['action'])?$_GET['action']:"";
 
 if($action=="logout")
 {
setcookie ("t00ls", "", time() - 3600);
Header("Location: ".MYFILE);
exit();
 }
 if($action=="download" && isset($_GET['file']) && trim($_GET['file'])!="")
 {
$file = $_GET['file'];
ob_clean();
if (@file_exists($file)) {
 header("Content-type: application/octet-stream");
header("Content-Disposition: filename=\"".basename($file)."\"");
 echo file_get_contents($file);
}
exit();
 }
?>


 

$version"?>
 

 


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0)
{
 foreach($is_user as $key=>$value)
$is_user[$key]=trim(str_replace("?","(.)",$value));
 $is_ext = "(\.".implode("($|\.))|(\.",$is_user)."($|\.))";
}
 }
 if($setting['hta']==1)
 {
$is_hta=1;
$is_ext = strlen($is_ext)>0?$is_ext."|":$is_ext;
$is_ext.="(^\.htaccess$)";
 }
 if($setting['all']==1 || (strlen($is_ext)==0 && $setting['hta']==0))
 {
$is_ext="(.+)";
 }
 
 $php_code = getCode();
 if(!is_readable($dir))
$dir = MYPATH;
 $count=$scanned=0;
 scan($dir,$is_ext);
 $end=mktime();
 $spent = ($end - $start);
?>

扫描:  文件 | 发现:  可疑文件 | 耗时:  秒





No.
文件
更新时间
原因
特征
动作








 $value)
 {
if(preg_match("/$value/i",$content))
{
 $count++;
 $j = $count % 2 + 1;
 $filetime = date('Y-m-d H:i:s',filemtime($current));
 $reason = explode("->",$key);
 $url =str_replace(REALPATH,HOST,$current);
 preg_match("/$value/i",$content,$arr);
 $list.="
 
$count
$current
$filetime
$reason[0]
$reason[1]
下载
 ";
 //echo $key . "-" . $path . $file ."(" . $arr[0] . ")" ."
"; 
 //echo $path . $file ."
";
 break;
}
 }
}
}
}
}
closedir( $dh );
} 
function getSetting()
{
 $Ssetting = array();
 if(isset($_COOKIE['t00ls_s']))
 {
$Ssetting = unserialize(base64_decode($_COOKIE['t00ls_s']));
$Ssetting['user']=isset($Ssetting['user'])?$Ssetting['user']:"php | php? | phtml | shtml";
$Ssetting['all']=isset($Ssetting['all'])?intval($Ssetting['all']):0;
$Ssetting['hta']=isset($Ssetting['hta'])?intval($Ssetting['hta']):1;
 }
 else
 {
$Ssetting['user']="php | php? | phtml | shtml";
$Ssetting['all']=0;
$Ssetting['hta']=1;
setcookie("t00ls_s", base64_encode(serialize($Ssetting)), time()+60*60*24*365,"/");
 }
 return $Ssetting;
}
function getCode()
{
 return array(
 '后门特征->cha88.cn'=>'cha88\.cn',
 '后门特征->c99shell'=>'c99shell',
 '后门特征->phpspy'=>'phpspy',
 '后门特征->Scanners'=>'Scanners',
 '后门特征->cmd.php'=>'cmd\.php',
 '后门特征->str_rot13'=>'str_rot13',
 '后门特征->webshell'=>'webshell',
 '后门特征->EgY_SpIdEr'=>'EgY_SpIdEr',
 '后门特征->tools88.com'=>'tools88\.com',
 '后门特征->SECFORCE'=>'SECFORCE',
 '后门特征->eval("?>'=>'eval\((\'|")\?>',
 '可疑代码特征->system('=>'system\(',
 '可疑代码特征->passthru('=>'passthru\(',
 '可疑代码特征->shell_exec('=>'shell_exec\(',
 '可疑代码特征->exec('=>'exec\(',
 '可疑代码特征->popen('=>'popen\(',
 '可疑代码特征->proc_open'=>'proc_open',
 '可疑代码特征->eval($'=>'eval\((\'|"|\s*)\\$',
 '可疑代码特征->assert($'=>'assert\((\'|"|\s*)\\$',
 '危险MYSQL代码->returns string soname'=>'returnsstringsoname',
 '危险MYSQL代码->into outfile'=>'intooutfile',
 '危险MYSQL代码->load_file'=>'select(\s+)(.*)load_file',
 '加密后门特征->eval(gzinflate('=>'eval\(gzinflate\(',
 '加密后门特征->eval(base64_decode('=>'eval\(base64_decode\(',
 '加密后门特征->eval(gzuncompress('=>'eval\(gzuncompress\(',
 '加密后门特征->eval(gzdecode('=>'eval\(gzdecode\(',
 '加密后门特征->eval(str_rot13('=>'eval\(str_rot13\(',
 '加密后门特征->gzuncompress(base64_decode('=>'gzuncompress\(base64_decode\(',
 '加密后门特征->base64_decode(gzuncompress('=>'base64_decode\(gzuncompress\(',
 '一句话后门特征->eval($_'=>'eval\((\'|"|\s*)\\$_(POST|GET|REQUEST|COOKIE)',
 '一句话后门特征->assert($_'=>'assert\((\'|"|\s*)\\$_(POST|GET|REQUEST|COOKIE)',
 '一句话后门特征->require($_'=>'require\((\'|"|\s*)\\$_(POST|GET|REQUEST|COOKIE)',
 '一句话后门特征->require_once($_'=>'require_once\((\'|"|\s*)\\$_(POST|GET|REQUEST|COOKIE)',
 '一句话后门特征->include($_'=>'include\((\'|"|\s*)\\$_(POST|GET|REQUEST|COOKIE)',
 '一句话后门特征->include_once($_'=>'include_once\((\'|"|\s*)\\$_(POST|GET|REQUEST|COOKIE)', 
 '一句话后门特征->call_user_func("assert"'=>'call_user_func\(("|\')assert("|\')',
 '一句话后门特征->call_user_func($_'=>'call_user_func\((\'|"|\s*)\\$_(POST|GET|REQUEST|COOKIE)',
 '一句话后门特征->$_POST/GET/REQUEST/COOKIE[?]($_POST/GET/REQUEST/COOKIE[?]'=>'\$_(POST|GET|REQUEST|COOKIE)\[([^\]]+)\]\((\'|"|\s*)\\$_(POST|GET|REQUEST|COOKIE)\[', 
 '一句话后门特征->echo(file_get_contents($_POST/GET/REQUEST/COOKIE'=>'echo\(file_get_contents\((\'|"|\s*)\\$_(POST|GET|REQUEST|COOKIE)', 
 '上传后门特征->file_put_contents($_POST/GET/REQUEST/COOKIE,$_POST/GET/REQUEST/COOKIE'=>'file_put_contents\((\'|"|\s*)\\$_(POST|GET|REQUEST|COOKIE)\[([^\]]+)\],(\'|"|\s*)\\$_(POST|GET|REQUEST|COOKIE)',
 '上传后门特征->fputs(fopen("?","w"),$_POST/GET/REQUEST/COOKIE['=>'fputs\(fopen\((.+),(\'|")w(\'|")\),(\'|"|\s*)\\$_(POST|GET|REQUEST|COOKIE)\[',
 '.htaccess插马特征->SetHandler application/x-httpd-php'=>'SetHandlerapplication\/x-httpd-php',
 '.htaccess插马特征->php_value auto_prepend_file'=>'php_valueauto_prepend_file',
 '.htaccess插马特征->php_value auto_append_file'=>'php_valueauto_append_file'
 ); 
}
?>

一个在php环境下扫描php木马的工具，目前可扫出以下特征码

特征码：

后门特征->cha88.cn
后门特征->c99shell
后门特征->phpspy
后门特征->Scanners
后门特征->cmd.php
后门特征->str_rot13
后门特征->webshell
后门特征->EgY_SpIdEr
后门特征->tools88.com
后门特征->SECFORCE
后门特征->eval("?>
可疑代码特征->system(
可疑代码特征->passthru(
可疑代码特征->shell_exec(
可疑代码特征->exec(
可疑代码特征->popen(
可疑代码特征->proc_open
可疑代码特征->eval($
可疑代码特征->assert($
危险MYSQL代码->returns string soname
危险MYSQL代码->into outfile
危险MYSQL代码->load_file
加密后门特征->eval(gzinflate(
加密后门特征->eval(base64_decode(
加密后门特征->eval(gzuncompress(
加密后门特征->gzuncompress(base64_decode(
加密后门特征->base64_decode(gzuncompress(
一句话后门特征->eval($_
一句话后门特征->assert($_
一句话后门特征->require($_
一句话后门特征->require_once($_
一句话后门特征->include($_
一句话后门特征->include_once($_
一句话后门特征->call_user_func("assert"
一句话后门特征->call_user_func($_
一句话后门特征->$_POST/GET/REQUEST/COOKIE[?]($_POST/GET/REQUEST/COOKIE[?]
一句话后门特征->echo(file_get_contents($_POST/GET/REQUEST/COOKIE
上传后门特征->file_put_contents($_POST/GET/REQUEST/COOKIE,$_POST/GET/REQUEST/COOKIE
上传后门特征->fputs(fopen("?","w"),$_POST/GET/REQUEST/COOKIE[
.htaccess插马特征->SetHandler application/x-httpd-php
.htaccess插马特征->php_value auto_prepend_file
.htaccess插马特征->php_value auto_append_file

注意: 扫描出来的文件并不一定就是后门,请自行判断、审核、对比原文件。

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