Re: [Vserver] chkrootkit

From: Daniel Kraft <>
Date: Sun 30 Apr 2006 - 10:38:23 BST
Message-ID: <>

Chuck wrote:
> Checking `lkm'... You have 1 process hidden for readdir command
> You have 1 process hidden for ps command
> chkproc: Warning: Possible LKM Trojan installed

See my message in this ML from 2006-04-03:

Please keep in mind, that LKM seems to be a false positive many times
with chkrootkit, because chkrootkit in this case seems to test only
against processes that don't show up everywhere (afaik a diff with ps
and /proc). Please rescan after a reboot or so and look at this:

Manfred Sindhoff wrote 22 May 2004 in

 "The lkm check is known to produce false positives for NPTL kernels
 (2.6 kernels or 2.4 with NPTL patches). Common multithreaded programs
 which will show this behaviour are slapd, mozilla and apache2 if you
 use one of its threading MPMs."


Daniel Kraft
Heilmeyersteige 131
D-89075 Ulm
Tel: +49 700 572383-66
Fax: +49 700 572383-29
krafthost - professional business hosting

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