Date: Wed, 28 Jun 2006 08:40:31 -0400 From: "Brent" <mrb@bmyster.com> To: questions@freebsd.org Subject: how to check for a compromised system Message-ID: <20060628122920.M72053@bmyster.com>
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Hello, Im running several servers all ranging from FBSD 4.11 through the 5.4 release , patched of course. MY question is how do i check a system to see if has been compromised ? I have already run a current version "chkrootkit" & found nothing. The symptom im seeing is yesterday all of a sudden the root user was removed from the /etc/passwd file & Im not sure on how to track down what happened. I managed to recover from this. Are there any other tools that i can use to track down say who did what on the box? files that may have changed & time & dates... any help is greatly appreciated -- Brent
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