I just noticed that. Pity my hastiness. Daron Dodd wrote: > you already did when u told everyone the name of the program in the > first email. google is a very powerful tool. > > On Mon, Apr 28, 2008 at 6:07 PM, Ian Shaffer > <[EMAIL PROTECTED]> wrote: > >> My big problem here is that I do not have root access to any of my >> servers. We used to have all our servers on our own dedi, but BECAUSE of >> these attacks, we decided to scrap the dedi and spread our servers >> across different IP ranges by paying per slot in different locations. >> Even though we can still be attacked, the attack is limited to one >> server at a time. That server is usually our Windows 50 man ZombieMod >> server in Chicago. I'm currently working with the host to see if the >> attack can be detected and blocked automatically. >> >> I've had a couple people email me asking for this "Nuker" program, or >> the link to where to download it. I've notified Alfred of the issue and >> sent him the link to the program, however he recommends that I be >> careful at how I present my report to the non-moderated HLDS mailing >> list. Hence, I will not give this program to ANYBODY unless on Alfred's >> approval. >> >> >> Chad Austin wrote: >> >>> Post a dump of packets please, or just link to program so it can be >>> analyzed. >>> >>> Ian Shaffer wrote: >>> >>> >>>> Dear Network Administrator, >>>> >>>> Over the past few months my servers have been brought to their knees >>>> dozens of times through "nuke" style Denial of Service attacks. Simple >>>> put, players start teleporting around, pings gradually start increasing >>>> for all players and the timer slows down. After a couple minutes of >>>> being attacked, you are early frozen from movement and the timer takes a >>>> decade to tick down, and pings are skyrocketed. Players then leave the >>>> server. >>>> >>>> Well earlier this week I "interrogated," pardon the pun, a member of my >>>> community who had made an exclamation that it would start to get real >>>> laggy in one of our servers earlier in the day. That server, our Zombie >>>> Server, started getting nuked just a couple minutes after. I was fairly >>>> certain it was him who started the attack. In the evening, I talked to >>>> this guy, his alias is "ST. GEORGE," and explained to him that I >>>> believed it was him who was "nuking" our servers. I acted very sincere >>>> when I told him that I had logged his IP address and was planning on >>>> filing a formal abuse complaint to his ISP, Road Runner. He somewhat >>>> panicked at hearing this, and confessed as to what he was doing. >>>> >>>> He sent me a link to download the same hacking tool he said he was >>>> using. Hackers Assistant is the program. I scanned the program for any >>>> trojans or viruses it might have, it was clean. I ran it and discovered >>>> a feature called "Nuker." In there it prompted for a server IP address >>>> and port and a box to input a message. One would simply put a server's >>>> info in there, type some random stuff in the message box, and click "Nuke." >>>> >>>> A former member of our community and admitted nuker "ST. GEORGE" tested >>>> the software. I was shocked. It was working, The server was being >>>> attacked just as described above. I held a sense of accomplishment >>>> knowing that I had found the cause of my problems. I therefore began >>>> looking for a way to block this programs abilities. Now I needed to know >>>> what types of servers this program could attack. ST. GEORGE then showed >>>> off nuke attacks on dozens of popular servers in the US and UK, highly >>>> popular servers like 24/7 Office Noob Galore and Zombiemod | >>>> XFactorGaming, and the program worked to bring down each and every one >>>> of them to their knees. There was only one server he was not able to >>>> nuke attack, evidently the #1 CSS server in the United States, >>>> CantStopGaming CS:S. >>>> >>>> This program affects practically every single server in CS:S. The >>>> interesting part of it is that this program doesn't advise usage towards >>>> any particular genre of online infrastructure. ST. GEORGE tried running >>>> this program on CoD servers, BF2 and BF2142 servers, Halo PC servers, >>>> SA:MP servers, and Quake 4 servers. It didn't work on any of those >>>> games. However, it worked on the other popular Source-based game out >>>> today, Team Fortress 2. Every TF2 server ST. GEORGE checked was >>>> nuke-able, with the same effects felt in-game. This leads me to the >>>> conclusion that there must be an exploit in the source engine allowing >>>> this program to nuke all servers using the source engine. >>>> >>>> While our server was getting attacked last time, I gathered critical >>>> data. I've determined that the program does not eat up the server's >>>> bandwidth. Instead, it seems to flood the server with messages/commands, >>>> so much that it tops out CPU usage. Below is a sample of my console as >>>> our server was undergoing a recent attack with the program. Midway >>>> through the data, the perpetrator aborted the nuke attack. You can see >>>> the server recovering as the cpu usage goes down and server FPS comes >>>> back to normal. This data was gathered with 8 others in-game. >>>> >>>> =========================================== >>>> >>>> CPU In Out Uptime Users FPS Players >>>> 96.59 16841.92 3909.91 110 4 10.00 9 >>>> L 04/27/2008 - 01:23:04: rcon from "72.251.244.233:2020": command "stats" >>>> ] rcon stats >>>> CPU In Out Uptime Users FPS Players >>>> 96.04 17937.41 3958.69 110 4 10.00 9 >>>> L 04/27/2008 - 01:23:09: rcon from "72.251.244.233:2020": command "stats" >>>> ] rcon stats >>>> CPU In Out Uptime Users FPS Players >>>> 95.54 17590.70 3970.64 110 >>>> ] rcon stats >>>> CPU In Out Uptime Users FPS Players >>>> 100.00 17354.72 3966.19 110 4 523.25 9 >>>> L 04/27/2008 - 01:23:10: rcon from "72.251.244.233:2020": command "stats" >>>> >>>> ======== HERE THE ATTACK WAS ABORTED ========= >>>> >>>> ] rcon stats >>>> CPU In Out Uptime Users FPS Players >>>> 75.57 16933.90 4148.69 110 4 508.36 9 >>>> L 04/27/2008 - 01:23:11: rcon from "72.251.244.233:2020": command "stats" >>>> ] rcon stats >>>> CPU In Out Uptime Users FPS Players >>>> 75.57 16750.93 4596.00 110 4 509.13 9 >>>> L 04/27/2008 - 01:23:12: rcon from "72.251.244.233:2020": command "stats" >>>> ] rcon stats >>>> CPU In Out Uptime Users FPS Players >>>> 52.55 16518.30 6391.86 110 4 509.97 9 >>>> L 04/27/2008 - 01:23:13: rcon from "72.251.244.233:2020": command "stats" >>>> ] rcon stats >>>> CPU In Out Uptime Users FPS Players >>>> 40.46 16520.83 9229.05 110 4 511.77 9 >>>> L 04/27/2008 - 01:23:13: rcon from "72.251.244.233:2020": command "stats" >>>> ] rcon stats >>>> CPU In Out Uptime Users FPS Players >>>> 40.46 16452.49 11473.37 110 4 514.49 9 >>>> L 04/27/2008 - 01:23:14: rcon from "72.251.244.233:2020": command "stats" >>>> >>>> ============================================ >>>> >>>> >>>> I very much hope that this exploit can be stomped out. My community has >>>> suffered all too much to the hands of the kiddies that run these types >>>> of programs for their own vain pleasure. I speak for server operators >>>> everywhere when I say, this issue must be fixed! >>>> >>>> Thank you very much for taking the time to read my post. I hope some >>>> good will come out of it! >>>> >>>> Sincerely, >>>> David "Eaglewonj" Gaipa >>>> >>>> _______________________________________________ >>>> To unsubscribe, edit your list preferences, or view the list archives, >>>> please visit: >>>> http://list.valvesoftware.com/mailman/listinfo/hlds >>>> >>>> >>>> >>>> >>> _______________________________________________ >>> To unsubscribe, edit your list preferences, or view the list archives, >>> please visit: >>> http://list.valvesoftware.com/mailman/listinfo/hlds >>> >>> >>> >> _______________________________________________ >> To unsubscribe, edit your list preferences, or view the list archives, >> please visit: >> http://list.valvesoftware.com/mailman/listinfo/hlds >> >> > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, please > visit: > http://list.valvesoftware.com/mailman/listinfo/hlds > >
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