Email Vulnerabilities
Glynn S. Condez
glynn at MAKATI.TECHSQUARE.COM
Tue Sep 24 11:17:44 IST 2002
> >One thing I am wondering with, why does this eicar.com gfi test email
goes
> >to my outlook express deleted items with a modified subject {VIRUS?}
> >eicar.com [1/5] up to [5/5] and theres no warning message in the body and
> >the attachment is intact with the filename eicar.com. im just wondering
> >about this.
>
> Can anyone else corroborate this? V3 should have deleted the entire
message
> in each of those cases.
Is there anything that I need to recheck or reconfigure in the
mailscanner.conf?
--- Glynn ---
----- Original Message -----
From: "Julian Field" <mailscanner at ECS.SOTON.AC.UK>
To: <MAILSCANNER at JISCMAIL.AC.UK>
Sent: Tuesday, September 24, 2002 4:47 PM
Subject: Re: Email Vulnerabilities
> At 05:54 24/09/2002, you wrote:
> >Hi guys, I just updated my mailscanner from 3.22-7 to 3.23-1 and what I
have
> >found out is the speed, its more faster now
>
> Yay! Someone noticed the optimisations I did in 3.22-something in the way
> of re-ordering all the "if" statements to reduce the number of system
calls
> by 50%.
> :-)
>
> >One thing I am wondering with, why does this eicar.com gfi test email
goes
> >to my outlook express deleted items with a modified subject {VIRUS?}
> >eicar.com [1/5] up to [5/5] and theres no warning message in the body and
> >the attachment is intact with the filename eicar.com. im just wondering
> >about this.
>
> Can anyone else corroborate this? V3 should have deleted the entire
message
> in each of those cases.
>
> >Also, I am using Sophos and I got this message in my console "Useful life
of
> >SWEEP has beed exceeded" does the Sophos doesn't work anymore?
>
> You need to entirely replace Sophos once every 2 to 3 months, as that is
> how long they provide IDE files for any given version of Sophos.
>
> Download the .tar.Z from the website, stick it in /tmp then do
> cd /tmp
> /usr/local/MailScanner/bin/Sophos.install
>
> *Please* don't try and use Sophos's install script, it makes a bit of a
> mess of things :(
>
> >----- Original Message -----
> >From: "Glynn S. Condez" <glynn at MAKATI.TECHSQUARE.COM>
> >To: <MAILSCANNER at JISCMAIL.AC.UK>
> >Sent: Tuesday, September 24, 2002 10:37 AM
> >Subject: Re: Email Vulnerabilities
> >
> >
> > > Thanks Jeff for the great idea, it seems that there's nothing that I
need
> > > to reconfigure except for the conf files of mailscanner.
> > >
> > >
> > > --- Glynn ---
> > >
> > > ----- Original Message -----
> > > From: "Jeff A. Earickson" <jaearick at COLBY.EDU>
> > > To: <MAILSCANNER at JISCMAIL.AC.UK>
> > > Sent: Tuesday, September 24, 2002 10:28 AM
> > > Subject: Re: Email Vulnerabilities
> > >
> > >
> > > > Hi,
> > > > I set up my mailscanner directory thus:
> > > >
> > > > lrwxrwxrwx 1 root daemon 10 Sep 23 14:01 bin ->
bin-3.23-1/
> > > > drwxr-xr-x 2 root none 1024 Sep 13 10:23 bin-3.22-14/
> > > > drwxr-xr-x 2 root none 1024 Sep 23 13:46 bin-3.23-1/
> > > > lrwxrwxrwx 1 root daemon 10 Sep 23 14:01 etc ->
etc-3.23-1/
> > > > drwxr-xr-x 2 root none 1024 Sep 13 10:29 etc-3.22-14/
> > > > drwxr-xr-x 2 root none 1024 Sep 23 13:55 etc-3.23-1/
> > > > drwxr-xr-x 3 root none 512 May 2 11:52 man/
> > > > drwxr-xr-x 8 jaearick jaearick 512 Sep 23 14:06 src/
> > > > drwx------ 4 root none 512 May 3 09:38 var/
> > > >
> > > > When a new version of mailscanner comes out, I untar it and move the
> > > > mailscanner/etc and mailscanner/bin directories to etc-[version]
> > > > and bin-[version]. Then I do side-by-side comparisons of the
default
> > > > config versus my setup. When I've carried my config changes into
the
> > > > new etc files, I stop mailscanner, change the symlinks, restart
> > > > mailscanner. Virtually no down time. It would be nice if this
> > > > kind of directory versioning was incorporated into the tarfiles
> > > > for v4 somehow...
> > > >
> > > > ** Jeff A. Earickson, Ph.D PHONE:
207-872-3659
> > > > ** Senior UNIX Sysadmin, Information Technology EMAIL:
> > > jaearick at colby.edu
> > > > ** Colby College, 4214 Mayflower Hill, FAX:
207-872-3076
> > > > ** Waterville ME, 04901-8842
> > >
> >
> --------------------------------------------------------------------------
> > > --
> > > >
> > > > On Tue, 24 Sep 2002, Glynn S. Condez wrote:
> > > >
> > > > > Date: Tue, 24 Sep 2002 10:18:03 +0800
> > > > > From: Glynn S. Condez <glynn at MAKATI.TECHSQUARE.COM>
> > > > > Reply-To: MailScanner mailing list <MAILSCANNER at JISCMAIL.AC.UK>
> > > > > To: MAILSCANNER at JISCMAIL.AC.UK
> > > > > Subject: Re: Email Vulnerabilities
> > > > >
> > > > > oh by the way, this the first time that I am going to upgrade the
> > > > > mailscanner, is it possible if I am going to rename the old
> >mailscanner
> > > > > directory and install the new version of mailscanner as
mailscanner?
> > > > >
> > > > > or is there anything that I need to be reconfigure?
> > > > >
> > > > > Thanks
> > > > > --- Glynn ---
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "Glynn S. Condez" <glynn at MAKATI.TECHSQUARE.COM>
> > > > > To: <MAILSCANNER at JISCMAIL.AC.UK>
> > > > > Sent: Tuesday, September 24, 2002 10:02 AM
> > > > > Subject: Re: Email Vulnerabilities
> > > > >
> > > > >
> > > > > > This mailing list is great, the response is so fast :) well
I'll
> >do
> > > the
> > > > > > upgrade, email you guys about the results.
> > > > > >
> > > > > > thanks
> > > > > >
> > > > > > --- Glynn ---
> > > > > >
> > > > > >
> > > > > > ----- Original Message -----
> > > > > > From: "Mike Kercher" <mike at CAMAROSS.NET>
> > > > > > To: <MAILSCANNER at JISCMAIL.AC.UK>
> > > > > > Sent: Tuesday, September 24, 2002 10:05 AM
> > > > > > Subject: Re: Email Vulnerabilities
> > > > > >
> > > > > >
> > > > > > > Try upgrading to 3.22-15 I think Julian got it to detect all
of
> >the
> > > > > > vulnerabilities.
> > > > > > >
> > > > > > >
> > > > > > > -----Original Message-----
> > > > > > > From: MailScanner mailing list
> >[mailto:MAILSCANNER at JISCMAIL.AC.UK]On
> > > > > > > Behalf Of Glynn S. Condez
> > > > > > > Sent: Monday, September 23, 2002 8:58 PM
> > > > > > > To: MAILSCANNER at JISCMAIL.AC.UK
> > > > > > > Subject: Email Vulnerabilities
> > > > > > >
> > > > > > >
> > > > > > > Based on these website http://www.gfi.com/emailsecuritytest,
some
> > > of
> > > > > the
> > > > > > > test email that contents a test virus or codes goes through
and
> >the
> > > > > > > mailscanner doesn't detect the embedded scripts in the emails.
> > > > > > >
> > > > > > > In version 4, is it possible to scan these kinds of viruses or
> >code?
> > > by
> > > > > > the
> > > > > > > way I'm using the stable version of mailscanner 3-22.7 with
> > > > > > > spamassassin2-31.
> > > > > > >
> > > > > > >
> > > > > > > --- Glynn ---
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
>
> --
> Julian Field Teaching Systems Manager
> jkf at ecs.soton.ac.uk Dept. of Electronics & Computer Science
> Tel. 023 8059 2817 University of Southampton
> Southampton SO17 1BJ
>
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