JaMaYcKa Attacks Again.
May 22, 2007
my webserver defaced with this persons name all over my site.
I was reading and it said JaMaYcKa does this things through a cPanel bug.
Apparently our entire host has been hacked too. I'm very dissapointed as I was on the verge of starting one of my most biggest projects and now it's gone. :'(
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May 29, 2007
what i read from hosting phpbb only the index files have been replaced.. and that i need a back up ccopy in order to get the forum working again.. ok im very very new to this.. so i dont understand most of the technical terms but i would appreciate any help i can get rgarding this...i have a back up copy that was given to me by one of my colleaugess but i have no idea how to upload it.. i also have some ftp software called leech or sumtin like that...
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Feb 18, 2007
All index.php and index.html files on my server have been replaced with the "JaMaYcKa" hackers page. I was reading on WHT, and just about 10 days ago this happened to another member here.
I am using seeksadmin for system administration, and coincidently the guy who was hacked 10 days ago was also using seeksadmin. I believe there was another member here a month ago who was also hacked by "JaMaYcKa", and he was also a seeksadmin customer. I am not blaming seeksadmin in any way, they have helped a lot and I hope they can get this resolved.
Does anyone have any information on how to reverse/fix this issue? I am no system admin, just to put that out there, hence the reason I hired seeksadmin.
Here is the .bash_history from what the "JaMaYcKa" hacker did,
Quote:
cd /
pwd
/usr/sbin/useradd -o -u 0 -g 0 r00t -p ******************
passwd r00t
rm -rf tmp/
cd tmp
ls -a
unzip 1.zip
perl mass.pl /tmp/index.html
exit
According the the history, he ran some mass.pl script which would cause all index.php/html files to be changed (I am assuming). I have already removed the user "r00t" as seen above is what he created.
Any info on how to get this reversed (and if anyone else was using seeksadmin, let me know if they resolved your issue). I am currently waiting for an update from seeksadmin, so I'll update you guys once they reply to the ticket. Also to note I am using whmcs which contained the root password to this server; another user mentioned in another thread that if you were using whmcs/mb/ce/etc a hacker could get your root password, which of course if the password was not encrypted or the script had a glitch, the hacker could easily get your root password.
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Oct 26, 2007
I'm getting DoS attacks on my new dedicated server and I've had about 600 emails from my server about IP bannings. I can't even access my server via WHM at all at the moment! The sites are still online and the server is up but I can't log into WHM. What can I do to remedy this?
Also I can't quite understand why anyone would conduct a DoS attack in the first place...
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Mar 9, 2008
I have a VPS that's on the awknet network and I'm receiving DNS DDoS and I don't think they have anything to stop these attacks, how can I prevent these?
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May 9, 2007
I seem to be getting a lot of mail attacks to accounts located on the server. However, most of the email addresses do not exist and therefore the emails are bouncing back and getting stuck in my mail queue manager. There are something like 20 emails per minute getting stacked up in there and it is causing a massive load on the server.
How can I stop these attacks?
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Jun 25, 2008
one of my costumers server is getting ddos attacks. I solved syn and get attacks with litespeed web server but I have another problem. They started to do udp flood. I m losing connection to my server. I bought new server with 1 gbit port for solving it.
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Mar 31, 2009
This is a quote from an unrelated thread in the Dedicated Server Forum, I didnt want to hijack the thread so thought I would bring my question over here:
Quote:
Originally Posted by HRDev Hady
I believe they use BurstNet, which isn't really a good choice for DDoS-prone sites as their Top Layer devices don't seem to handle attacks very well in my opinion. If you're running a DDoS prone site, you'd likely be better off with a DDoS-specialized provider such as Awknet, Staminus, or Black Lotus. But as mentioned, a lot of attacks can be stopped simply by proper tuning of your IP stack and some simple firewall rules.
My question is as a new Dedicated Server Owner what tuning and rules do I need to implement in order to protect me from these "small scale DDoS Attacks"?
I do not run a DDoS prone site(i hope not lol) but I want to secure myself as much as possible and have a headache free run other than the headaches I cause myself of course.
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Oct 31, 2009
Recently, i hosted my domain with two different servers. but both of them were attacked by malwares and viruses. Google also started showing warning like "This site may harm your computer".
Now i can't open my site on firefox (it gives security warning)... when i open in explorer , my index page is totally changed.
Is there a solution for that? Which linux server will be best to protect my site from malware attacks.
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Oct 11, 2009
I can see lot of MSSQL Server attacks. In event viewer "Login failed for user 'sa'. [CLIENT: Some IP]"
Most of the attack coming from Chaina. Tipically what I'm doing manually is get that entire IP range and block from Windows Firewall level.
Now I have plenty of blocked IP ranges all over the world.
What would be the best way to avoid from those kind of attacks ?
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Aug 3, 2009
I want to understand the mechanics of a DDOS attack. I have been doing a lot of reading about them this weekend.
The way I am understanding it, a DDOS attack is done at the network level. It may be requesting that pages from a given website, or websites, are served up, but it basically will effect the entire network. So if 'page display' requests are made to a website(s) that is hosted at ABC Hosting (example only), to the tune of 15GBs then I have to assume that the network will be terribly degraded. If that is so, wouldn't other servers also get taken out?
I believe the architecture of the internet is something like this (example only):
Gnax --> Planet, SoftLayer, RackSpace, etc.. --> Reseller --> Smaller Reseller --> Me
If that is true, is each level along that route using their own networking system or are they all dependent on ones that major Data Center uses?
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Jan 12, 2009
My current site has been taken offline since it was being ddos attacked, been with my current hosters for 3years at least, but with recent events they gave me the option to shift my site to a dedicated server or me to move of bascially. (impression I get now, since they seem to be taking longer to reply to my messages) I was being ddos attacked since I refused to give a copy of me software to the visitor at my forums/site.
ive been looking round site after site and I cant make up my mind who to shift too, also if that same idiot who ddos attacked me does it again before I can take any action, I would be in the same situation again.
I have multiple domains and all my sites in total are about 5gig in size, cpu usage is avergae and queries roughly about 15/17 the most, I currently pay £130.00 a yr
I have had few bad experiences with hosting companies but learnt along the way, and assumed my current hosters would be a reliable place to stay at. My sites been offline since friday and I would like to get it back up again asap. Last thing I want to do is rush into a hosting package and be stuck in a dud situation.
I would also like to take action upon the person who has been ddos attacking me, I managed to get hold of his details and I also have confirmation that they are correct, what can be done legally?
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Mar 23, 2009
My sites are getting heavy DDoS attacks.
What's the best firewall? I'm currently using ACH software firewall but the attacks are getting so bad my site's are going down (apache is shutting down/locking) and sometimes my server even crashes.
Anyone recommend a better software firewall or a really cheap but good hardware firewall?
Could my host just use a router or something as the firewall or would that not do? I'm looking for something really affordable as a solution.
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Mar 14, 2008
Some of my websites have been under a DDOS attack for about a month now. Is there any way I can find who is behind this attack and what their motive is?
How much does it cost to launch a DDOS attack and how long do they usually last?
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Aug 22, 2008
i have a shared host
my site under ddos attacks!
i want to upgrade to Dedicated Server
i needed to Dedicated Server contains DDOS protection!
btw: Site visitors 2500 in day!
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Nov 24, 2008
how to prevent my web servers from DoS attacks?
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Feb 2, 2008
my VPS provider just rebuilt my VPS after many hack attacks.
From some days I am getting emails from firewall that someone login to my VPS/mySQL using SSH.
I don't know what they do, but they don't disturb any account. Only some downtime feel during this. But last night my VPS stop working so my provider rebuilt VPS.
how I can secure my VPS now. I have Cpanel installed.
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Apr 30, 2008
there are some game types out there that are not protected from any type of udp flood attack. I have been doing a lot of work (my servers are linux) and blocked this by coding a bash script running every second checking tcpdump for the amount of current UDP connections and blocks the ip witch has more than a certain number of current UDP connections. This works perfeclty, but it firewalls the ip AFTER the attack started.
I am really interested into blocking this attack fully. Limiting the number of current connections (UDP) from an ip to a certain amount to block this attack totally. I have been looking around a lot and have had no luck. From what I have found, there is no way to do this with iptables or ipchains. It is possible for TCP though, but I could not find it for UDP. Could anyone help me out here.
Just to let you know, I do run a firewall, but it would never pick up this type of attack unless it was major. This is more like a game type bug (firewall thinks the packets are fine, player packets going to the game server).
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May 12, 2008
i am seeing a lot of Local file inclusion (LFI) and mysql injection attacks quite often directed to php scripts.
what is the way to prevent them? would installing mod_security to apache work?
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Nov 7, 2008
I have CSF on my server (configserver security and firewall) and it blocks the IP when my server gets attacked, but it always seems to be a little too late... Apache goes down, even though the IP is blocked. I end up running:
iptables -I INPUT -s xx.xx.xx.xx -j DROP
service httpd restart
And that tends to sort things out... but the thing is, sometimes they still manage to attack and even though csf sends me messages explaining how it is connecting, I can check the "deny IPs" and the ip shows as blocked...
What other software is there (eg. mod_evasive... but how can I install it...) that I can run without harming my server, causing problems with CSF or any problems for that matter and how can I install it?
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May 17, 2007
Firewall settings are great for preventing Denial of Service (DoS) attacks, however it may not always be your only solution. The day has finally arrived when I found this excellent module called mod_dosevasive (DoS Evasive) which keeps track of how many requests each client makes to your server within intervals. If a client is being forceful with your server and making too many requests, then it is more than likely not just a web browser but some automated process unleashed on your site to try and take it down.
This handy Apache module we have found takes care of these issues. Let's get started by setting it up.
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May 5, 2007
Im running a windows 2003 web edition server with apache 2.2.4 installed and a ported module; mod_dosEvasive, my server is vurnable for some sort of single machine dos attack. Not only my own server is vurnable but basically ANY apache 2.2.4 win32 server, even without additional modules (lik php) installed ( i checked by installing apache2 on 4 machines, all vurnable)
The tool used to attack apache is described here:
[url]
When attacked by the specific syn flood attack apache2 becomes useless and doesnt send any responses out anymore. When the attacker stops sending this flood Apache starts responding again.
how to secure a windows apache server against such an attack?
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Jan 24, 2007
I know there is no device can protect you from ddos attacks, but I wonder which one is the best to help you reduce the attacks? It might be intelligent to "feel" the attacks? Brand names from Cisco, Foundry, Nokia...?
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Mar 18, 2008
As many of you already know, not everyone has the money to spend on physical firewalls, for example a cisco firewall. I would like if everyone could share little tips and tricks towards securing a server they learned over time. Nothing in big detail. I thought if we all share our ideas, it would help quite alot of other people. For example, here is a good layout I believe. Please note this is towards a game server setup.
Shorewall Firewall - Block Unneeded Ports + Block Ping
Apache Web server - Installed with "mod_security"
SSH-Faker - Stop thoes bots from trying to gain access to SSH (Guessing Passwords)
DDoS Deflate - For me, does not really work. (I know, mainly for port 80 so webhosting) But still have it installed.
Bash Scripts Monitoring # of connections per ip with Netstat.
PSad - Monitoring and Reporting Port Scans (Optional automatic timed block)
VNStat - Monitor Current/Monthly/Yearly Bandwidth (Does not hog resources)
I'm guarenteed to of left alot out than just the above. If some of you could also share some simple things you do for securing a server, would be great.
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Nov 24, 2008
Hosting providers and DDoS attacks!
Hello guys! I am looking for a reliable hosting provider! I mean the most important thing for me know is to be sure that my future hosting company will manage to protect my websites against DDoS attacks fully! What hosting company according to your opinion can be considered as the most stable hosting solution against DDoS attacs?
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Mar 25, 2008
I have a cPanel dedicated server and have a lot of spam attacks on this server. It's getting so bad that our IP is being added to Yahoo & AOL blacklists and my emails are bouncing to these accounts.
Is there anyone on here who can do a thourough check on our server and install anything necessary to stop this kind of activity?
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Apr 2, 2009
How does Hivelocity deal with DDos Attacks?
Do they have any similar protection to ThePlanet or Softlayer?
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Sep 9, 2008
I am looking to backup client data to a second hard drive on the server. I was wondering if there is any way to protect this data from virus's or any other software attack that may compromise the server data.
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Jul 23, 2009
I believe that my site is being DDoSed against, and I'm wondering how I can prevent this from happening.
I'm running CentOS 5.3.
Are there any server side scripts of PHP scripts that could be used to dynamically block out IP's that are consuming too many resources on the VPS?
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Jun 12, 2009
Let's say my site was getting DDOS'd. Let's say I suspected I knew the attacker's home IP address. Would there be anything I could do with this information to either end the attacks or penalize the attacker?
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Nov 4, 2009
I've noticed that vBulletin and one of my directories is getting hit hard for the same file by sites in the Netherlands, Russia, Vietnam and China.
The lines typically state the same, trying to hit a file that isn't there, which may be in a forum/ or forums/ directory instead of the root.
'/home/mysite/public_html/forumdisplay.php' not found or unable to stat
'/home/mysite/public_html/newthread.php' not found or unable to stat
What have you guys done for this? I'm assuming an .htaccess edit may be in order. I'm also hoping to track IP addresses so that I can keep adding them easily. I wish it was more simple to do it on the server level using whm since it's usually accessible everywhere.
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