i tried to install force util-linux rpm, the installation is succeeded. then i 
run rkhunter again, but still get the same error on this files:

> /bin/kill  [ BAD ]
> /sbin/insmod  [ BAD ]
> /sbin/lsmod  [ BAD ]
> /sbin/modprobe  [ BAD ]
> /usr/bin/file  [ BAD ]

does a rpm -ivh --force do overwrite the current installation files on the 
server?

i do this inside VE

Best Regards,
Markus

----- Original Message ----
From: Daniel Pittman <[EMAIL PROTECTED]>
To: [email protected]
Sent: Tuesday, May 8, 2007 7:12:37 PM
Subject: Re: [Users] error from RkHunter and ChkRootKit

Markus Hardiyanto <[EMAIL PROTECTED]> writes:

> I install RkHunter and ChkRootKit inside VE. the VE is using Centos
> 4.4 minimal installation. i download the Centos image from the list on
> OpenVZ Wiki.  here is the error that i got:
>
> from RkHunter:
>
> Performing 'known good' check...
> /bin/kill  [ BAD ]
> /sbin/insmod  [ BAD ]
> /sbin/lsmod  [ BAD ]
> /sbin/modprobe  [ BAD ]
> /usr/bin/file  [ BAD ]

[...]

> is this false positives??

Yes and no -- those are modified from the standard packages you would
have in a normal system, but the modification is to be expected with
OpenVZ.  Er, except maybe the /usr/bin/file binary...

> from ChkRootKit:
> Checking `lkm'... You have    74 process hidden for readdir command
> chkproc: Warning: Possible LKM Trojan installed

Again, probably expected: the proc file system within the VE isn't
identical to a physical system.

    Daniel
-- 
Digital Infrastructure Solutions -- making IT simple, stable and secure
Phone: 0401 155 707        email: [EMAIL PROTECTED]
                 http://digital-infrastructure.com.au/
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