From owner-freebsd-security  Sun Aug 30 11:11:19 1998
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From: "Fernando P. Schapachnik" <fpscha@localhost.schapachnik.com.ar>
Message-Id: <199808300353.AAA02566@localhost.schapachnik.com.ar>
Subject: Re: Shell history (Was: Re: post breakin log)
In-Reply-To: <Pine.BSF.4.02A.9808281510000.17350-100000@shell6.ba.best.com> from "Jan B. Koum" at "Aug 28, 98 03:11:19 pm"
To: jkb@best.com (Jan B. Koum)
Date: Sun, 30 Aug 1998 00:53:38 -0300 (ART)
Cc: security@FreeBSD.ORG
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En un mensaje anterior Jan B. Koum escribió:
> 
> 	cat /dev/null > typescript

What about chflaging typescript to append only?


> 
> -- 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 Fri, 28 Aug 1998, Zahemszky Gabor wrote:
> 
> >> 
> >> 	This is assuming intruder will not try to change shell, turn off
> >> history within the shell and is in general pretty clueless when it comes
> >> to shell history. :)
> >> 	A friend of mine came up with an idea to create a shell which
> >> would log everything a user does.. not via shell history mechanism, but
> >> rather ala watch(8). Everything user types would go into some files
> >> somewhere. Then again, nothing ever came out of it.
> >
> >man script
> >
> >ZGabor at CoDe dot HU
> >
> >-- 
> >#!/bin/ksh
> >Z='21N16I25C25E30, 40M30E33E25T15U!' ;IFS=' ABCDEFGHIJKLMNOPQRSTUVWXYZ ';set $Z ;for i { [[ $i = ? ]]&&print $i&&break;[[ $i = ??? ]]&&j=$i&&i=${i%?};typeset -i40 i=8#$i;print -n ${i#???};[[ "$j" = ??? ]]&&print -n "${j#??} "&&j=;typeset +i i;};IFS=' 0

123456789 ';set $Z;X=;for i { [[ $i = , ]]&&i=2;[[ $i = ?? ]]||typeset -l i;X="$X $i";typeset +l i;};print "$X"
> >
> 
> 
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> 



Fernando P. Schapachnik
fpscha@schapachnik.com.ar


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