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Re: chkrootkit V. 0.47

From: Peter Pentchev (roamringlet.net)
Date: Wed Nov 21 2007 - 04:44:21 CST

On Tue, Nov 20, 2007 at 07:01:20PM +0200, Nikolay Pavlov wrote:
> On Tuesday 20 November 2007 16:41:52 JP wrote:
> > Running freeBSD 6.1
> >
> > After changing chkrootkit to the latest version V. 0.47 and compiling it
> > then running it I get the following:
> > Checking `bindshell'... INFECTED (PORTS: 6667)
> >
> > I do run an IRCd...
> Such tools is known to trigger false positives sometimes. I'd recommend to
> play with some additional utilities like lsof. In case of bindshell try to
> find processes that was executed from world writable directories such
> as /tmp. Try to shutdown httpd and other daemons and see if any of them
> still running.

The bindshell is most probably a false positive - chkrootkit just
checks if anything is listening on "unusual" ports. Since 6667 is
one of the most often used well-known ports for IRC communication,
this is most probably a false positive.


Peter Pentchev roamringlet.net roamcnsys.bg roamFreeBSD.org
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