php网站被挂木马修复方法总结

find ./ -iname "*.php" | xargs grep -H -n "eval(base64_decode"

/**************PHP Web木马扫描器************************/

/* [+] 作者: alibaba */

/* [+] QQ: 1499281192 * www.111com.net/

/* [+] MSN: weeming21@hotmail.com */

/* [+] 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";

PHP Web 木马扫描器

$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 '

}

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();

}

?>

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();

}

?>

}

else

{

$dir = isset($_POST['path'])?$_POST['path']:MYPATH;

$dir = substr($dir,-1)!="/"?$dir."/":$dir;

?>

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);

?>

}

}

}

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.="