From: Greg KH <greg@kroah.com>
To: David Miller <davem@davemloft.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: kernel.org status: hints on how to check your machine for intrusion
Date: Fri, 30 Sep 2011 21:54:48 -0700 [thread overview]
Message-ID: <20111001045448.GA24395@kroah.com> (raw)
In-Reply-To: <20110930.211520.1376313955703692517.davem@davemloft.net>
On Fri, Sep 30, 2011 at 09:15:20PM -0400, David Miller wrote:
> From: Greg KH <greg@kroah.com>
> Date: Fri, 30 Sep 2011 16:59:24 -0700
>
> > 1. Install the chkrootkit package from your distro repository and see if it
> > reports anything. If your distro doesn't have the chkroot package,
> > download it from:
> > http://www.chkrootkit.org/
> >
> > Another tool is the ossec-rootcheck tool which can be found at:
> > http://www.ossec.net/main/rootcheck
> >
> > And another one is the rkhunter program:
> > http://www.rootkit.nl/projects/rootkit_hunter.html
> > [Note, this tool has the tendancy to give false-positives on some
> > Debian boxes, please read /usr/share/doc/rkhunter/README.Debian.gz if
> > you run this on a Debian machine]
>
> I quickly found that it gives false positives on Fedora15 too.
>
> It thinks one is infected with Suckit.
>
> It's check is essentially "strings /sbin/init | egrep HOME" which
> triggers with:
>
> XDG_CONFIG_HOME
> XDG_DATA_HOME
> HOME=%s
>
> I'm sure chkrootkit might be useful as a guide, but the seeming
> pervasiveness of it's false positives make it much less useful than it
> could be.
That's sad, but the combination of the three tools should give some
sense of what is going on if things are really valid or not, hopefully.
It was tough to write this in a way that would be applicable to the
large variety of systems we all use, so little differences like this
will happen. Hopefully people take this as a guideline of things to do
to try to ensure the safety of a system.
thanks,
greg k-h
next prev parent reply other threads:[~2011-10-01 4:55 UTC|newest]
Thread overview: 188+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-30 23:50 kernel.org status: establishing a PGP web of trust H. Peter Anvin
2011-09-30 23:59 ` kernel.org status: hints on how to check your machine for intrusion Greg KH
2011-10-01 1:15 ` David Miller
2011-10-01 4:54 ` Greg KH [this message]
2011-10-01 7:35 ` Willy Tarreau
2011-10-01 14:07 ` Greg KH
2011-10-01 18:06 ` Steven Rostedt
2011-10-01 18:13 ` David Miller
2011-10-01 18:29 ` Steven Rostedt
2011-10-01 18:34 ` Willy Tarreau
2011-10-01 21:23 ` Henrique de Moraes Holschuh
2011-10-01 21:30 ` Henrique de Moraes Holschuh
2011-10-03 9:28 ` Maarten Lankhorst
2011-10-01 18:40 ` Steven Rostedt
2011-10-01 18:45 ` Steven Rostedt
2011-10-03 9:47 ` gmack
2011-10-01 22:06 ` Frank A. Kingswood
2011-10-03 9:49 ` gmack
2011-10-01 14:17 ` akwatts
2011-10-01 14:28 ` Greg KH
2011-10-01 16:29 ` Andy
2011-10-01 16:56 ` Willy Tarreau
2011-10-01 17:19 ` Andy
2011-10-01 17:54 ` Andreas Schwab
2011-10-01 22:32 ` H. Peter Anvin
2011-10-01 17:54 ` Willy Tarreau
2011-10-01 18:40 ` Andy
2011-10-01 19:06 ` Willy Tarreau
2011-10-01 19:24 ` Greg KH
2011-10-01 20:07 ` Willy Tarreau
2011-10-01 20:29 ` Andreas Schwab
2011-10-01 20:32 ` Willy Tarreau
2011-10-01 20:24 ` Andy
2011-10-01 22:43 ` Willy Tarreau
2011-10-02 0:10 ` H. Peter Anvin
2011-10-02 5:35 ` Willy Tarreau
2011-10-02 1:58 ` tmhikaru
2011-10-02 2:26 ` Greg KH
2011-10-02 3:30 ` Andy
2011-10-02 4:39 ` Greg KH
2011-10-02 6:59 ` Willy Tarreau
2011-10-02 12:03 ` Andy
2011-10-02 18:27 ` Willy Tarreau
2011-10-11 1:16 ` Andrew Watts
2011-10-02 3:31 ` tmhikaru
2011-10-07 9:28 ` Andrea Arcangeli
2011-10-13 2:34 ` Re " Matthew W.S. Bell
2011-10-13 10:59 ` Matthew W.S. Bell
2011-10-18 15:13 ` Jean Delvare
2011-10-18 15:21 ` Greg KH
2011-10-18 16:08 ` Jean Delvare
2011-10-01 14:05 ` kernel.org status: establishing a PGP web of trust Greg KH
2011-10-01 22:07 ` Rafael J. Wysocki
2011-10-01 22:26 ` Greg KH
2011-10-02 23:02 ` Nobuhiro Iwamatsu
2011-10-02 23:09 ` Greg KH
2011-10-03 9:14 ` Steven Rostedt
2011-10-03 14:13 ` Greg KH
2011-10-03 15:09 ` Steven Rostedt
2011-10-01 21:33 ` Rafael J. Wysocki
2011-10-01 22:27 ` H. Peter Anvin
2011-10-01 22:36 ` Randy Dunlap
2011-10-01 22:52 ` Ted Ts'o
2011-10-02 1:04 ` Rafael J. Wysocki
2011-10-02 1:04 ` H. Peter Anvin
2011-10-02 11:54 ` Rafael J. Wysocki
2011-10-02 17:53 ` H. Peter Anvin
2011-10-02 18:14 ` Rafael J. Wysocki
2011-10-02 18:19 ` H. Peter Anvin
2011-10-02 18:39 ` Willy Tarreau
2011-10-02 19:02 ` H. Peter Anvin
2011-10-02 19:24 ` Willy Tarreau
2011-10-02 19:29 ` Rafael J. Wysocki
2011-10-02 18:24 ` Henrique de Moraes Holschuh
2011-10-02 18:31 ` H. Peter Anvin
2011-10-02 19:31 ` Rafael J. Wysocki
2011-10-02 20:42 ` Henrique de Moraes Holschuh
2011-10-03 9:32 ` Adrian Bunk
2011-10-03 16:28 ` Frank Ch. Eigler
2011-10-03 18:04 ` Adrian Bunk
2011-10-04 20:29 ` Valdis.Kletnieks
2011-10-04 22:39 ` Adrian Bunk
2011-10-04 23:17 ` Frank Ch. Eigler
2011-10-05 4:37 ` Valdis.Kletnieks
2011-10-05 7:54 ` Adrian Bunk
2011-10-05 17:06 ` Ted Ts'o
2011-10-05 19:23 ` Adrian Bunk
2011-10-05 19:50 ` Adrian Bunk
2011-10-05 20:09 ` Greg KH
2011-10-05 21:25 ` Adrian Bunk
2011-10-05 23:47 ` Ted Ts'o
2011-10-06 7:16 ` Adrian Bunk
2011-10-05 23:57 ` Thomas Gleixner
2011-10-06 0:07 ` Jeremy Fitzhardinge
2011-10-06 0:18 ` Chris Friesen
2011-10-06 7:30 ` Thomas Gleixner
2011-10-06 17:19 ` Valdis.Kletnieks
2011-10-06 8:04 ` Adrian Bunk
2011-10-06 10:22 ` Thomas Gleixner
2011-10-06 11:10 ` Adrian Bunk
2011-10-06 11:05 ` Josh Boyer
2011-10-06 11:19 ` Adrian Bunk
2011-10-05 4:23 ` Valdis.Kletnieks
2011-10-05 20:00 ` Arnaud Lacombe
2011-10-05 20:19 ` Adrian Bunk
2011-10-05 20:36 ` Arnaud Lacombe
2011-10-05 23:55 ` Greg KH
2011-10-06 0:23 ` Arnaud Lacombe
2011-10-06 0:50 ` Arnaud Lacombe
2011-10-06 5:25 ` Greg KH
2011-10-06 13:44 ` Valdis.Kletnieks
2011-10-06 14:43 ` Arnaud Lacombe
2011-10-06 10:05 ` Alan Cox
2011-10-06 17:05 ` Krzysztof Halasa
2011-10-06 15:58 ` Jon Masters
2011-10-06 17:39 ` Mark Brown
2011-10-06 17:45 ` Krzysztof Halasa
2011-10-06 17:52 ` Mark Brown
2011-10-06 17:48 ` Greg KH
2011-10-06 18:08 ` H. Peter Anvin
2011-10-06 18:14 ` H. Peter Anvin
2011-10-06 19:50 ` Valdis.Kletnieks
2011-10-06 22:16 ` Krzysztof Halasa
2011-10-07 16:29 ` Valdis.Kletnieks
2011-10-07 16:59 ` Greg KH
2011-10-07 16:59 ` Arnaud Lacombe
2011-10-07 18:22 ` Valdis.Kletnieks
2011-10-08 5:02 ` Jon Masters
2011-10-08 14:36 ` Valdis.Kletnieks
2011-10-08 15:28 ` Geert Uytterhoeven
2011-10-08 15:48 ` Krzysztof Halasa
2011-10-08 17:59 ` Jon Masters
2011-10-08 21:06 ` Krzysztof Halasa
2011-10-08 21:09 ` H. Peter Anvin
2011-10-09 3:01 ` Jon Masters
2011-10-08 15:44 ` Krzysztof Halasa
2011-10-08 15:16 ` Krzysztof Halasa
2011-10-05 19:43 ` Arnaud Lacombe
2011-10-02 18:36 ` Randy Dunlap
2011-10-02 22:46 ` Valdis.Kletnieks
2011-10-02 23:16 ` Josh Boyer
2011-10-03 0:24 ` H. Peter Anvin
2011-10-02 22:54 ` Guenter Roeck
2011-10-02 22:58 ` H. Peter Anvin
2011-10-02 23:23 ` Olof Johansson
2011-10-02 23:27 ` H. Peter Anvin
2011-10-03 0:44 ` Jeremy Fitzhardinge
2011-10-03 1:00 ` Guenter Roeck
2011-10-03 1:00 ` Dmitry Torokhov
2011-10-03 1:09 ` Ted Ts'o
2011-10-03 1:21 ` Jeremy Fitzhardinge
2011-10-03 1:22 ` H. Peter Anvin
2011-10-03 1:42 ` Andrew Morton
2011-10-03 1:43 ` H. Peter Anvin
2011-10-03 3:15 ` Geoff Levand
2011-10-03 3:29 ` Ted Ts'o
2011-10-03 3:38 ` Dmitry Torokhov
2011-10-03 3:54 ` Ted Ts'o
2011-10-03 4:02 ` Andrew Morton
2011-10-03 4:33 ` Ted Ts'o
2011-10-03 0:43 ` Lee Mathers
2011-10-03 9:53 ` Jonathan Cameron
2011-10-04 22:34 ` Ralf Baechle
2011-10-05 19:12 ` Maciej W. Rozycki
2011-10-06 13:27 ` Cambridge, UK key signing meeting. Thursday 13th Oct Jonathan Cameron
2011-10-11 16:33 ` Jonathan Cameron
2011-10-02 18:20 ` kernel.org status: establishing a PGP web of trust Henrique de Moraes Holschuh
2011-10-03 1:18 ` Ben Pfaff
2011-10-03 1:49 ` H. Peter Anvin
2011-10-03 11:19 ` Jiri Kosina
2011-10-03 22:56 ` Josh Triplett
2011-10-04 4:49 ` Ted Ts'o
2011-10-04 4:52 ` H. Peter Anvin
2011-10-04 5:11 ` Ted Ts'o
2011-10-04 16:37 ` H. Peter Anvin
2011-10-04 7:15 ` Jiri Kosina
2011-10-04 19:23 ` Rafael J. Wysocki
2011-10-06 3:14 ` John Johansen
2011-10-06 4:49 ` hpanvin@gmail.com
2011-10-04 12:51 ` Heiko Carstens
2011-10-04 22:02 ` Jiri Kosina
2011-10-04 22:04 ` H. Peter Anvin
2011-10-05 0:27 ` Henrique de Moraes Holschuh
2011-10-03 17:50 ` Adrian Bunk
2011-10-06 18:22 ` Krzysztof Halasa
2011-10-06 18:31 ` Rafael J. Wysocki
2011-10-06 21:19 ` [Warsaw Poland] " Krzysztof Halasa
2011-10-06 21:37 ` Rafael J. Wysocki
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