From: urgrue <urgrue@tumsan.fi>
To: Glynn Clements <glynn.clements@virgin.net>
Cc: admin <linux-admin@vger.kernel.org>
Subject: Re: hacked
Date: Wed, 12 Jun 2002 16:40:23 +0300 [thread overview]
Message-ID: <20020612134023.GA2115@fede2.tumsan.fi> (raw)
In-Reply-To: <15623.20073.595822.36388@cerise.nosuchdomain.co.uk>; from glynn.clements@virgin.net on Wed, Jun 12, 2002 at 16:36:41 +0300
yes, true. ive already replaced the box with a fresh install, but i am
just curious to know what happened.
>
> urgrue wrote:
>
> > a hacker has planted trojans and messed around with one of my boxes.
> > its off the network, but i want to know what he did.
> > i replaced netstat, ps, lsof (and others) with originals, but nmap
> > shows that ports 1130 and 53228 are open on the box. i can even
> telnet
> > to these ports and get what definitely looks like backdoors.
> > but netstat and lsof cant find anything on these ports.
> > and ps of course doesnt show anything unusual.
> > since ive replaced the binary commands with originals, but these
> ports
> > are still open, presumably some networking related library has been
> > trojaned?
>
> Or the kernel itself.
>
> Once a system has been cracked, the only reliable solutions are to
> either revert to a known good backup, or start from scratch[1].
>
> [1] Literally. Re-installing the OS over an existing filesystem won't
> help if a trojan configuration file has been added; "dot" files in
> root's home directory are a common vector.
>
> --
> Glynn Clements <glynn.clements@virgin.net>
>
next prev parent reply other threads:[~2002-06-12 13:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-12 11:51 hacked urgrue
2002-06-12 13:36 ` hacked Glynn Clements
2002-06-12 13:40 ` urgrue [this message]
2002-06-12 15:20 ` hacked Bruce Ferrell
2002-06-12 16:41 ` hacked Glynn Clements
2002-06-12 20:28 ` hacked fred orispaa
2002-06-13 2:09 ` hacked Bruce Ferrell
2002-06-13 2:19 ` hacked Gary E. Miller
2002-06-13 11:46 ` hacked Glynn Clements
2002-06-13 19:06 ` hacked Gary E. Miller
2002-06-17 21:26 ` hacked Ionut Murgoci
-- strict thread matches above, loose matches on Subject: below --
2021-08-31 6:38 Hacked Amanda Jenkins
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