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From: Bart Silverstrim <bsilver@chrononomicon.com>
Date: Wed, 14 Apr 2004 07:56:22 -0400
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Subject: Re: have i been hacked?
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On Apr 14, 2004, at 1:47 AM, Luke Kearney wrote:

>
> On Wed, 14 Apr 2004 00:51:06 -0400
> "dave" <dmehler26@woh.rr.com> granted us these pearls of wisdom:
>
>> Hello,
>>     Wondering if a system on my network has been hacked? At approx 
>> 12:30
>> this evening the hard disk went crazy, i have been out of town lately 
>> and
>> have not checked any of the machines, when i did the CPU usage was at 
>> 15%
<snip>

What about output from chkrootkit, to check to see whether any rootkit 
programs have been installed?