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Re: computer with rootkit?
From: Predrag Petrovic <pedjap () gmail com>
Date: Wed, 28 Sep 2011 22:42:44 +0200

Hi Francois,

Well usually its the best procedure to reinstall the operating system,
you never know what is modified. But if you want to investigate
further I would do the following:
- Isolate the computer from rest of the network
- Forward all traffic from infected machine to an IPS/IDS station to
detect the possible rootkit/worm/trojan
- Perform cold backup of user data (and user data only) on a system
which has up to date definitions. This requires to detach the hard
drive from workstation and attach it to a new one which has up to date
definitions and is not a critical workstation-server in the network.
- Format the drive and install fresh operating system
- Install security patches and antivirus software
- Restore user data

Best regards,


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