Re: SSH brute force blocking tool

["J. Oquendo" <sil () infiltrated net>]

gabriel rosenkoetter wrote:
> On Mon, Nov 27, 2006 at 03:51:39PM -0500, J. Oquendo wrote:
>   
> > Since you seem to be clueless I'll answer step by step. Here goes idiot. 
> > (Sinful to see someone so clueless coming from Gentoo... Guess it goes 
> > with the romper room Linux territory)
> >     
>
> Uh... actually, no. The provided exploit Will work, and you're the
> idiot.
>
> Here, let me show you.
>
> You do this:
>
>   
> > /////
> > awk '/error retrieving/{getline;print $13}' /var/log/secure|sort -ru >> 
> > /tmp/hosts.deny
> > diff /etc/hosts.deny /tmp/hosts.deny | awk '/\./ && />/{print $2}' >> 
> > /etc/hosts.deny
> > /////
> >
> > There is no hocus pocus here. Look at /var/log/secure and fine the term
> > "error retrieving" and print the next line, 13th column. Then sort it and
> > print the unique entries into /tmp/hosts.deny. After you do this, compare
> > /tmp/hosts.deny with /etc/hosts.deny and put the differences not in 
> > /etc/hosts.deny
> > into /etc/hosts.deny
> >     
>
> What will be in column 13 when Tavis does this:
>
>   
> > Tavis Ormandy wrote:
> >     
> > > Here's an exploit.
> > >
> > > #!/bin/sh
> > > ssh 'foo bar `/sbin/halt`'@victim
> > >       
>
> Why, the shelled-out output of `/sbin/halt`!
>
> Or, hey, anything he or I care to put inside backticks. You'll
> execute it blindly, as root, on your system.
>
> Kids, don't use this script. Please.
>   

Jesus christ people get stupider by the moment. W/e the script is there 
for scrutiny there is no hidden voodoo. If you DO want to see hidden 
voodoo here it is,,,


--
====================================================
J. Oquendo
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x1383A743
sil . infiltrated @ net http://www.infiltrated.net 

The happiness of society is the end of government.
John Adams

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