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Re: Suspicious behavior: cracked or just a dying machine?



on Wed, Aug 15, 2001 at 05:01:38PM -0400, Andrew Perrin (aperrin@email.unc.edu) wrote:
> On Wed, 15 Aug 2001, Karsten M. Self wrote:
> 
> > on Wed, Aug 15, 2001 at 11:49:12AM -0400, Andrew Perrin (aperrin@email.unc.edu) wrote:
> > > Folks-
> > > 
> > > I just logged in (from work) to my home machine to copy a file I
> > > needed. It's behaving very weirdly, and I'd love some advice as to whether
> > > you think I've been cracked or it's likely just a hardware issue. I'd
> > > strongly prefer not to shutdown remotely, but will do so rather than
> > > waiting until I get home tonight if y'all think that's what's appropriate.
> > 
> > Looks suspicious based on what you post, though I wouldn't put it past
> > bad memory.  The log is IIRC an old portmapper crack attempt.  Things to
> > do:

<...>

> > > However, mount shows it as rw:
> > 
> > How about /proc/mounts?  /etc/mtab is often out-of-date when other
> > issues exist with a system.  Particularly if / is mounted ro.
> > 
> > Note that most fstabs will remount / readonly if there are disk errors,
> > as the line below shows.

Note:  reply after quoted.  Trim quotes.

> Additional information:
> 
> - cat /proc/mounts returns an input/output error after a long wait.
> 
> - ps gives the following message before returning its output:
> nujoma:~# ps
> Warning: /boot/System.map-2.2.19pre17 not parseable as a System.map

Boot rescue media.  Check your memory, your disk, and your CPU.

Memory:  memtest86
Disk:	 fsck, badblocks (nondestructive mode).
CPU:	 compile a kernel (or something big) and watch for sig11 errors.

I strongly suspect HW issues.

I trust you can access the system with reasonable timeliness?

-- 
Karsten M. Self <kmself@ix.netcom.com>          http://kmself.home.netcom.com/
 What part of "Gestalt" don't you understand?             There is no K5 cabal
  http://gestalt-system.sourceforge.net/               http://www.kuro5hin.org
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