PHP Web 木马扫描器代码

scanner.php：
/**************PHP Web木马扫描器************************/
/* [+] 作者: alibaba */
/* [+] QQ: 1499281192 */
/* [+] MSN: [email protected] */
/* [+] 首发: t00ls.net , 转载请注明t00ls */
/* [+] 版本: v1.0 */
/* [+] 功能: web版php木马扫描工具*/
/* [+] 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。*/
/* 如果你不确定扫出来的文件是否为后门，*/
/* 欢迎你把该文件发给我进行分析。*/
/*******************************************************/
ob_start();
set_time_limit(0);
$username = "t00ls"; //设置用户名
$password = "t00ls"; //设置密码
$md5 = md5(md5($username).md5($password));
$version = "PHP Web木马扫描器v1.0";
$realpath = realpath('./');
$selfpath = $_SERVER['PHP_SELF'];
$selfpath = substr($selfpath, 0, strrpos($selfpath,'/'));
define('REALPATH', str_replace('//','/',str_replace('\\','/',substr($realpath, 0, strlen($realpath) - strlen($selfpath)))));
define('MYFILE', basename(__FILE__));
define('MYPATH', str_replace('\\', '/', dirname(__FILE__)).'/');
define('MYFULLPATH', str_replace('\\', '/', (__FILE__)));
define('HOST', "http://".$_SERVER['HTTP_HOST']);
?>







if(!(isset($_COOKIE['t00ls']) && $_COOKIE['t00ls'] == $md5) && !(isset($_POST['username']) && isset($_POST['password']) && (md5(md5($_POST['username']).md5($_POST['password']))==$md5)))
{
echo '

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 www.2cto.com 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"?>

扫描 | 设定 | 登出

if($action=="setting")
{
if(isset($_POST['btnsetting']))
{
$Ssetting = array();
$Ssetting['user']=isset($_POST['checkuser'])?$_POST['checkuser']:"php | php? | phtml";
$Ssetting['all']=isset($_POST['checkall'])&&$_POST['checkall']=="on"?1:0;
$Ssetting['hta']=isset($_POST['checkhta'])&&$_POST['checkhta']=="on"?1:0;
setcookie("t00ls_s", base64_encode(serialize($Ssetting)), time()+60*60*24*365,"/");
echo "设置完成！";
header( 'refresh: 1; url='.MYFILE.'?action=setting' );
exit();
}
?>

扫描设定

文件后缀:
所有文件	>
设置文件	>

}
else
{
$dir = isset($_POST['path'])?$_POST['path']:MYPATH;
$dir = substr($dir,-1)!="/"?$dir."/":$dir;
?>

扫描路径:

if(isset($_POST['btnScan']))
{
$start=mktime();
$is_user = array();
$is_ext = "";
$list = "";
 
if(trim($setting['user'])!="")
{
$is_user = explode("|",$setting['user']);
if(count($is_user)>0)
{
foreach($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

}
}
}
ob_flush();
?>


function scan($path = '.',$is_ext){
global $php_code,$count,$scanned,$list;
$ignore = array('.', '..' );
$replace=array(" ","\n","\r","\t");
$dh = @opendir( $path );
while(false!==($file=readdir($dh))){
if( !in_array( $file, $ignore ) ){
if( is_dir( "$path$file" ) ){
scan("$path$file/",$is_ext);
} else {
$current = $path.$file;
if(MYFULLPATH==$current) continue;
if(!preg_match("/$is_ext/i",$file)) continue;
if(is_readable($current))
{
$scanned++;
$content=file_get_contents($current);
$content= str_replace($replace,"",$content);
foreach($php_code as $key => $value)
{
if(preg_match("/$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
懒惰设计，直接套用phpspy样式
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。
原文链接：http://lcx.cc/?FoxNews=1916. html