C99Shell How To Stop
How to stops the scripts like c99 shell from installing into the server?
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C99Shell :: How To Detect Or Disable The Functionality Of C99Shell
Recently my site was defaced, (i own a dedicated server), my server was not touched, but one of the applications I used on the site was exploited to gain access to it. I have noticed 4 or 5 c99 shells in different locations on my ftp. The site is back online, but it's definitely possible that they have one of these hidden somewhere and that they'll just do it again. I am using cent os 5 How can I easily search for these on my box? Can I disable their functionality? is there setting I can use in htaccess or something to make my website safer? I visited one of the scripts, and it said SAFEMODE OFF, how can I at least enable safemode? I don't know much of anything about linux, but I am running cpanel and WHM. I have a guy who manages my box but he is hard to get a hold of sometimes, and I'd like to take care of this ASAP!
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C99Shell Folders?
I found these folders in the root /usr/bin/c99 /usr/include/boost/numeric/interval/detail/c99_rounding_control.hpp /usr/include/boost/numeric/interval/detail/c99sub_rounding_control.hpp what are these ? is it normal folders ? or somebody hacked our server? what shall I do?
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I just installed zen cart on my webhosting and after few days later i saw some file written like core1405.php and when i open to view the file it is actually trojan c99shell. I have deleted all of the core file. Now how can i prevent it from happen again? Cause it is too much work to clean up the hosting server.
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C99Shell Hackers Killing Me!
guys im tired off fighting those hackers everyday! i have about 20 websites,and everyday i have one of them hacked! i restore a backup then another one hacked! thats unbelivable!!! those bastards upload there shell scripts to websites via bugs or whatever from php files!! is there anyway to stop these commands? can .htaccess helps? how? i talked to my webhosting companies for my websites! ....
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the biggest security issue i have with my clients is php c99 shell and similar php files, somehow these files uploaded on the website and from here they start attacking the websites. i have seen also that once you upload the c99 php file you are able to see the accounts information ( such as a user name ) on the same server so is there any way to disable this kind of php file or at least disable some function within the file! i have been thinking to install and run a antivirus on the server , but i see sometimes they upload the encrypted version of the file , so the antirus can't catch the file as a torjan!
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i want to prevent c99shell scripts from running. I found this rule to detect URI's for the c99 shell. #new kit SecFilterSelective REQUEST_URI "/c99shell.txt" SecFilterSelective REQUEST_URI "/c99.txt?" My problem is that the hackers are being more stealthy and calling the script some random name like .../myphpstuff.php. So the URI no longer helps detect it. How could I detect "c99shell" in the actual file that apache servers? This assumes that the hacker was successfully in installing it. my box Apache 1.3.37 WHM 11.2.0 cPanel 11.11.0-R16983 FEDORA 5 i686 - WHM X v3.1.0
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I have a massive spam problem on my server, which I cannot seem to find a cure for. Here is an example of the headers from an example email (from WHM) that is stuck in the mail queue: Quote: 1HiU0X-0006Y3-O6-Hmailnull 47 12<>1177932329 0-ident mailnull-received_protocol local-body_linecount 78-allow_unqualified_recipient-allow_unqualified_sender-frozen 1177932333-localerrorXX1vrroark@freemail.ru144P Received: from mailnull by host.zaggs.com with local (Exim 4.63)id 1HiU0X-0006Y3-O6for vrroark@freemail.ru; Mon, 30 Apr 2007 12:25:06 +0100045 X-Failed-Recipients: download@host.zaggs.com029 Auto-Submitted: auto-replied058F From: Mail Delivery System <Mailer-Daemon@host.zaggs.com>024T To: vrroark@freemail.ru059 Subject: Mail delivery failed: returning message to sender047I Message-Id: <E1HiU0X-0006Y3-O6@host.zaggs.com>038 Date: Mon, 30 Apr 2007 12:25:06 +01001HiU0X-0006Y3-O6-DThis message was created automatically by mail delivery software.A message that you sent could not be delivered to one or more of itsrecipients. This is a permanent error. The following address(es) failed: download@host.zaggs.com (generated from abraham@keysupplier.com) retry timeout exceeded------ This is a copy of the message, including all the headers. ------Return-path: <vrroark@freemail.ru>Received: from [220.157.245.77] (port=3648 helo=localhost.localdomain)by host.zaggs.com with smtp (Exim 4.63)(envelope-from <vrroark@freemail.ru>)id 1HiU0X-0006Xu-7rfor abraham@keysupplier.com; Mon, 30 Apr 2007 12:25:06 +0100Message-ID: <10fb01c78b19$683b6042$8bc8505a@freemail.ru>From: Noticeable <vrroark@freemail.ru>To: abraham@keysupplier.comSubject: I am 79 years young!Date: Mon, 30 Apr 2007 14:19:48 +0300MIME-Version: 1.0Content-Type: multipart/alternative; boundary="----=_NextPart_000_0000_9E7D5C31.01A57A34"X-Priority: 3X-MSMail-Priority: NormalX-Mailer: Microsoft Outlook Express V6.00.2900.2180X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180This is a multi-part message in MIME format.------=_NextPart_000_0000_9E7D5C31.01A57A34Content-Type: text/plain; charset="iso-8859-1"Content-Transfer-Encoding: 7bit A few words about HGH LifeI have been taking HGH Life for five weeks and there is a noticeable improvementin me overall. Waking up without muscular pain is the most obvious! WhenI run out, I shall be ordering as much as my pension will allow. I am inEngland and am 79 years young!Order HGH Life online ------=_NextPart_000_0000_9E7D5C31.01A57A34Content-Type: text/html; charset="iso-8859-1"Content-Transfer-Encoding: quoted-printable<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><META http-equiv=3DContent-Type content=3D"text/html; =charset=3Diso-8859-1"><META content=3D"MSHTML 6.00.2900.2912" name=3D"GENERATOR"></HEAD><BODY text=3D#000000 bgColor=3D#ffffff><font size=3D"3" face=3D"Times New Roman"><p align=3D"center"><font =face=3D"Arial" color=3D"#009900" size=3D"5"><strong>A few =words about HGH Life™</strong></font></p><p align=3D"center"><font face=3D"Arial">I have been taking HGH =Life™ <strong>for five weeks </strong>and there is a noticeable =improvement in me overall. Waking up without muscular pain is the most =obvious! When I run out, I shall be ordering as much as my pension will =allow. I am in England and am <strong>79 years =young</strong>!"</font></p><p align=3D"center"><a href=3D"http://worldwdefull.com"><strong><font =face=3D"Arial" color=3D"#ff6600" size=3D"4">Order HGH Life™ =online</font></strong></a></p></font></BODY></HTML>------=_NextPart_000_0000_9E7D5C31.01A57A34-- I can confirm that the person who is doing this IS NOT using the 'nobody' user because I am keeping a spam_log for that. How else is a user able to use our server for spam? Please help as I would like to get this sorted ASAP.
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i have a problem where kiss firewall works fine and i can restart it etc without a problem, but when i reboot it locks me out for some reason. i don't want to keep bothering my server provider asking him to turn off kiss when i reboot. so for testing purposes i wanted to make a cronjob to stopp kiss every 15 minutes. however when i enter the following line using cronbtab -e: 0-59/15 * * * * /usr/local/sbin/kiss stop i get this cron error: /usr/local/sbin/kiss: line 69: ifconfig: command not found Could not determine MAIN_IP. Firewall script aborted! but yet if i look at line 69 of kiss it is the following: MAIN_IP=`ifconfig eth0 | grep "inet addr" | cut -d: -f2 | awk '{print $1}'` however i can use the command "ifconfig eth0" and it works without error. anyone got any ideas how i can stop kiss using cron?
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What Can Make Cronjobs Stop Working
Up until a day ago they were working just fine, and then they just stoped working with out me doing anything! I tried [root@ensim root]# service crond restart Stopping crond: [ OK ] Starting crond: [ OK ] and restarted the server. Nothing. All signs point to it working [root@ensim root]# service crond status crond (pid 10922 10919 3270 3035) is running... Code: Jun 4 00:00:01 ensim CROND[4286]: (root) CMD (curl [url]) Jun 4 00:00:01 ensim CROND[4297]: (root) CMD (/usr/local/bin/weblogs) Jun 4 00:00:01 ensim CROND[4289]: (root) CMD (curl [url]) Jun 4 00:00:01 ensim CROND[4300]: (root) CMD (/usr/local/sbin/bwcron) Jun 4 00:00:01 ensim CROND[4292]: (root) CMD (curl [url]) Jun 4 00:00:01 ensim CROND[4303]: (root) CMD (nice --adjustment=15 /usr/local/sbin/update_site_summary_cache) Jun 4 00:00:01 ensim CROND[4284]: (root) CMD (curl [url]) Jun 4 00:00:01 ensim CROND[4295]: (root) CMD (curl [url]) Jun 4 00:00:01 ensim CROND[4306]: (root) CMD (/usr/bin/run-parts /etc/logrotate/d) Jun 4 00:01:00 ensim CROND[4438]: (root) CMD (curl [url]) Jun 4 00:01:00 ensim CROND[4441]: (root) CMD (run-parts /etc/cron.hourly) though it's not actually done. If I load the page manually, the file does work.
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