This looks good.  Now, can someone write a patch that sends a message to the
sender that says something like "Password Protected ZIP Encountered. This
message not allowed by our security policy."   Something along the lines of
the Illegal MIME message that Q-S sends out would be good.  What do you
think?

Trey Nolen




> If anyone's interested here is a modification to sophie so that when a
> password protected archive (like Bagle-H) is scanned it will flag it as
> a virus.  Q-S now detects it as "Error: File was encrypted" and
> quarantines it.  Here is the alteration to sophie_core.c in the case
> SOPHOS_SAVI_ERROR_FILE_ENCRYPTED:
>
>
>                 case SOPHOS_SAVI_ERROR_FILE_ENCRYPTED:
>                 sophie_print(0, "%s %s", WARNSTR,
> SOPHIE_SAVI_ERROR_FILE_ENCRYPTED);
>                 strncpy(ret_error_string,
> SOPHIE_SAVI_ERROR_FILE_ENCRYPTED, sizeof(ret_error_string)-1);
>                 sophie_log_virus(scan_file, scan_results);
>
> #ifdef ONLY_FATAL_ERRORS
>                 retval = 0;
> #else
>                 retval = 1;
> #endif
>                 break;
>
> The only changes are adding the "sophie_log_virus..." line and changing
> "retval = -1;" to "retval = 1;"
> ---
> Ed
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On
> > Behalf Of Jason Haar
> > Sent: Tuesday, March 02, 2004 3:53 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: [Qmail-scanner-general]Bagle-h and password
> > protected ZIP files
> >
> >
> > On Wed, 2004-03-03 at 07:17, CertaintyTech-Ed wrote:
> > > Anyone else seeing the Bagle-H virus getting thru?  I am
> > using Q-S and
> > > sophie and it is not stopping them.  Sophie sees that the
> > ZIP file is
> > > password encrypted so can't check it for viruses and Q-S
> > goes ahead and
> > > passes it thru.  Does anyone know of any way to catch this
> > one?  For now
> > > I am blocking all ZIP attachments...
> >
> > Please let me know when you find ANY e-mail AV system that can catch
> > this virus... i.e. I don't think so. I know there's one that "catches"
> > it by looking at the content of the text part of the message - before
> > the actual zip attachment - but that doesn't really count.
> >
> > Password protected zip files - and people still get infected!
> > When will
> > the naivety end?
> >
> > This is why we have the phrase "defense in depth". Run e-mail
> > AV systems
> > to get rid of 99% of your viruses, but you still need to run nightly
> > scans over old e-mails (to catch the Day Zeros that got through
> > earlier), and you definitely still need to run AV on
> > workstations (which
> > would catch this particular one - as once the user unlocks the virus,
> > their AV can detect it).
> >
> > Obviously such a luxury is appropriate for corporations, but is
> > impossible to mandate for ISPs/etc...
> >
> > Cheers
> >
> > Jason Haar
> > Information Security Manager, Trimble Navigation Ltd.
> > Phone: +64 3 9635 377 Fax: +64 3 9635 417
> > PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1
> >
> >
> >
> >
> > -------------------------------------------------------
> > SF.Net is sponsored by: Speed Start Your Linux Apps Now.
> > Build and deploy apps & Web services for Linux with
> > a free DVD software kit from IBM. Click Now!
> > http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click
> > _______________________________________________
> > Qmail-scanner-general mailing list
> > [EMAIL PROTECTED]
> > https://lists.sourceforge.net/lists/listinfo/qmail-scanner-general
> >
>
>
>
> -------------------------------------------------------
> SF.Net is sponsored by: Speed Start Your Linux Apps Now.
> Build and deploy apps & Web services for Linux with
> a free DVD software kit from IBM. Click Now!
> http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click
> _______________________________________________
> Qmail-scanner-general mailing list
> [EMAIL PROTECTED]
> https://lists.sourceforge.net/lists/listinfo/qmail-scanner-general
>



-------------------------------------------------------
SF.Net is sponsored by: Speed Start Your Linux Apps Now.
Build and deploy apps & Web services for Linux with
a free DVD software kit from IBM. Click Now!
http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click
_______________________________________________
Qmail-scanner-general mailing list
[EMAIL PROTECTED]
https://lists.sourceforge.net/lists/listinfo/qmail-scanner-general

Reply via email to