Re: NETSKY.C out..Heads up!

Chris H Thu, 26 Feb 2004 22:17:45 -0800

Anyone taking bets on how long until MS AV comes out?

----- Original Message ----- From: "Chinnery, Paul" <[EMAIL PROTECTED]> To: "Exchange Discussions" <[EMAIL PROTECTED]> Sent: Thursday, February 26, 2004 10:31 AM Subject: RE: NETSKY.C out..Heads up!

Good point. That's the way firewalls are setup. One a side note, I see MF is going to bundle an a/v product with their anti-spam (remembering that you mentioned using MF).

Paul Chinnery
Network Administrator
Mem Med Ctr


-----Original Message-----
From: Martin Blackstone [mailto:[EMAIL PROTECTED]
Sent: Thursday, February 26, 2004 9:53 AM
To: Exchange Discussions
Subject: RE: NETSKY.C out..Heads up!


What I would like to see AV vendors do is rather than use blocked file list
in mail AV apps, use an allowed file types. In other words, everything is
blocked by default and you choose what to let in.

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Randal,
Phil
Sent: Thursday, February 26, 2004 6:34 AM
To: Exchange Discussions
Subject: RE: NETSKY.C out..Heads up!

Welcome to the new world of viruses.

Anti-virus vendors used to working on a weekly cycle need to wake up and
move to a daily-plus cycle, and here's why.

In the last two weeks, we've been blocking viruses at our email gateway
before patterns have been available.  Virus writers don't submit their wares
to the antivirus companies and then wait a week (or even a day) before
releasing them in the wild.

With a high-speed internet backbone and more and more unprotected users on
high-speed DSL lines, viruses can now spread at an unprecedented rate.  If
your servers aren't protected within minutes (or a few hours at most) of
release or first detection in the wild your antivirus software is no longer
a protection but merely a clean-up tool.

After MyDoom, things aren't the same.  Nor will it ever return to the old
"new virus once in a while but always trapped by our antivirus software
before damage is done" scenario of the distant past.

Cheers,

Phil

---------------------------------------------
Phil Randal
Network Engineer
Herefordshire Council
Hereford, UK

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of
Waters, Jeff
Sent: 26 February 2004 14:09
To: Exchange Discussions
Subject: RE: NETSKY.C out..Heads up!


I'd have to revoke your warrant this time, NAV is configured just
fine, and when the definitions are up-to-date it will do it's job
quite well.
I'm not bashing NAV, until now I have had very few problems with NAV
Corp, and since we came from McCrappy it has been a delight.  The
problem this time is that it took them 3 DAYS to issue the definition
update for MyDoom.F and that's just insane with most of the other
vendors had it done in hours.
Is this going to make me run out and replace our Desktop A/V software,
no.
Have I submitted an issue with Symantec, your darn tooting.
This isn't just
a problem with how long it took them to get the def's out to the
world, it's also an issue with their limited live update scheduler.
If I could have set up the schedule to look every hour (like most of
us do with Trend on our Exchange servers) then our one system would
not have been able to get this virus.  I have also let them know how I
feel about that issue as well.

-----Original Message-----
From: Blunt, James H (Jim) [mailto:[EMAIL PROTECTED]
Sent: Wednesday, February 25, 2004 6:36 PM
To: Exchange Discussions
Subject: RE: NETSKY.C out..Heads up!

Easy...you have your NAV/SAV scan all files as soon as they are
created, modified or used...we do.

If it attempts to come in from a webmail account, it will quarantine
the dropper file, as soon as it hits the Temporary Internet Files
directory.

If you're having a problem with NAV not catching files, I'd warrant
it's a configuration issue, not a product issue.

-----Original Message-----
From: Eric Holtzclaw [mailto:[EMAIL PROTECTED]
Sent: Wednesday, February 25, 2004 1:54 PM
To: Exchange Discussions
Subject: RE: NETSKY.C out..Heads up!


How does this help if they use a hotmail account to get there mail
with Norton on the desktop?

Remember not all users have a brain that is why we have jobs.


-----Original Message-----
From: Chris H [mailto:[EMAIL PROTECTED]
Sent: Wednesday, February 25, 2004 1:46 PM
To: Exchange Discussions
Subject: Re: NETSKY.C out..Heads up!

I dont know about you but I block all .scr, .exe, .pif, etc.
and syamantec
strips them out of any zip file regardless of the signature.
If it cannot
strip them out or scan inside the zip then it strips the zip file.
Problem solved.

----- Original Message -----
From: "Waters, Jeff" <[EMAIL PROTECTED]>
To: "Exchange Discussions" <[EMAIL PROTECTED]>
Sent: Wednesday, February 25, 2004 3:35 PM
Subject: RE: NETSKY.C out..Heads up!


> You are right about that, however Symantec blew the .F big-time.  We
run
> Trend on our Exchange Server, and Trend on our servers and desktops.
I
have
> been blocking .zip's since the 20th when the .F came out.  Trend had
their
> def's updated within 2 hours.  Symantec did not have a
definition out
until
> sometime after 8pm(est) on the 23rd.  How do I know this
you ask, well
our
> scheduled live updates run at 8pm and we didn't get the update.
> Unfortunately for us, one of our users accessed his
personnel web-mail
about
> 9am yesterday and got the .F on our computer.  There really was not
good
> reason for an update to take that long, not to mention that before
this
set
> of updates (24th) their last update was the 18th.
> I like Symantec, and I like having different vendors on Exchange and
the
> Desktop, but this time Symantec took it in the a** and we are paying
the
> price.  The good news is it only took out one system, the
bad news is
that
I
> am going to be restoring data late tonight to fix what got deleted.
That
> one system had over a hundred .zip files on it, and deposited well
over
300
> out onto the file servers he was mapped to.  Our saving
grace is that
no
one
> else opened up one of those .zip files on the server.
>
> We are currently blocking about 50-75 .zip's an hour right now!!!  I
wish
> they would get one of these idiots that write these and cane them in
the
> middle of time square on national TV.
>
>
> -----Original Message-----
> From: Chris H [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, February 25, 2004 2:42 PM
> To: Exchange Discussions
> Subject: Re: NETSKY.C out..Heads up!
>
> I have found you can ask 10 people and get 10 different answers. Do
> you like Dell or Compaq? Ask 10 people and see what they say.
Mileage
> varies.
> I have had *zero* problems with Symantec and I came over from Trend
who
IMO
> has lousy tech support.
> I have not had a single client or server infected since
moving and my
> updates are almost instantaneous once the Primary server is
updated. I
am
> very happy with them!
>
> ----- Original Message -----
> From: "Eric Holtzclaw" <[EMAIL PROTECTED]>
> To: "Exchange Discussions" <[EMAIL PROTECTED]>
> Sent: Wednesday, February 25, 2004 2:32 PM
> Subject: RE: NETSKY.C out..Heads up!
>
>
> I ran a manual update and it updated to the newest file
patterns and
> went to there site with no answer to that variant. I knew
the PC was
> infected with random zip file start appearing from what Trend
described.
>
> Sorry, if you like Symantec buy U got burned!!
>
> Eric
>
>
> -----Original Message-----
> From: Chinnery, Paul [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, February 25, 2004 10:42 AM
> To: Exchange Discussions
> Subject: RE: NETSKY.C out..Heads up!
>
> Didn't the client force an update or can't you do that with
Symantec?
>
> Paul Chinnery
> Network Administrator
> Mem Med Ctr
>
>
> -----Original Message-----
> From: Eric Holtzclaw [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, February 25, 2004 1:37 PM
> To: Exchange Discussions
> Subject: RE: NETSKY.C out..Heads up!
>
>
> Symantec sucks, one of my clients had many infected PC's
with doom.f
> because there not update for 3 1/2 days and Trend and MacAfee did.
>
> Not to mention the "I love you virus" was updated again by
trend not
> Symantec
>
> Eric
>
> -----Original Message-----
> From: Chris H [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, February 25, 2004 10:23 AM
> To: Exchange Discussions
> Subject: Re: NETSKY.C out..Heads up!
>
> That's what I  like about Symantec's gateway . . . gets
inside the zip
.
> . .
> of course it is a pain when you *need* to send an EXE but
oh well . .
.
>
> ----- Original Message -----
> From: "Pfefferkorn, Pete (pfeffepe)" <[EMAIL PROTECTED]>
> To: "Exchange Discussions" <[EMAIL PROTECTED]>
> Sent: Wednesday, February 25, 2004 1:18 PM
> Subject: RE: NETSKY.C out..Heads up!
>
>
> > Wasn't blocking ZIP attachments.  Trend now has a pattern
available
as
> well.
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of
> Chris H
> > Sent: Wednesday, February 25, 2004 1:12 PM
> > To: Exchange Discussions
> > Subject: Re: NETSKY.C out..Heads up!
> >
> > It is using the attachments types we all usually block anyway no?
> >
> > ----- Original Message -----
> > From: "Pfefferkorn, Pete (pfeffepe)" <[EMAIL PROTECTED]>
> > To: "Exchange Discussions" <[EMAIL PROTECTED]>
> > Sent: Wednesday, February 25, 2004 12:21 PM
> > Subject: NETSKY.C out..Heads up!
> >
> >
> > > I just started receiving messages that are being
blocked based on
> > attachment
> > > type.  I believe it NETSKY.C which we don't have a pattern file
for
> it
> on
> > > TREND yet so watch out!
> > >
> > >
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