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  KOPSA e-mail¿¡´Â ¹ÙÀÌ·¯½º°¡ ¾ø½À´Ï´Ù
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¹ß½ÅÀÚ: dir@kopsa.or.kr
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----- Original Message -----
From: <postmaster>
To: <dir@kopsa.or.kr>
Sent: 2002³â 8¿ù 27ÀÏ È­¿äÀÏ ¿ÀÈÄ 3:27
Subject: InterScan NT Alert

Sender, InterScan has detected virus(es) in your e-mail attachment.
Date:  Tue, 27 Aug 2002 15:27:10 +0900
Method: Mail
From:  <dir@kopsa.or.kr>
To:    hoonbok@ccs.sogang.ac.kr
File:  snoopy.exe
Action: clean failed - deleted
Virus: WORM_KLEZ.H


...............................
Hi, Barry

I thought you might like to know that actually, no real "hacking"
needed to find place. Most list servers will accept any mail with the
valid sender address. However, changing the sender address of any
email you send is dead easy. Your email client most likely have a
setting that you can change to anything you like. To demonstrate how
it works, this mail is sent with SkeptInq as the sender address (I kept
my real email address as the "Reply-To" address, so any reply will go
to me directly). So, not much faith can be placed in the email address
of the sender of an email.

The reason I am writing this email is that there is indeed a lot of
bunk thinking going on with regard to the Internet. As a computer
professional, I personally find this kind of nonsense to be particularly
annoying, much like a physicist will be offended by talk about
"microleptons". A well-known fact with computer professionals is that
there is actually no security mechanisms in place to verify the sender
of email (unless you take special precausions), but there ARE various
ways of tracing the real origin of an email. For example, the mail
containing the virus was sent from a subscriber of someone called
"Optimum Online (Cablevision Systems)". They look rather obscure, but
here is their technical contact, anyhow:

TechPhone:  +1-516-393-3281
TechEmail:  hostmaster@cv.net

This person is the right instance to report this occurrence of Abuse to.
Their web page is at http://www.cablevision.com/. If you forward the
offending to hostmaster@cv.net, they might revoke this particular users
contract, or even choose to report him to the police.

In short, neither the list, nor your email was hacked. The only thing
that happened was that some vandal decided to randomly target this
list. I recommend you file a complaint either to abuse@aol.com or to
hostmaster@cv.net.

I though you also might like to know that the ONLY way that you can
verify the sender of an email is by cryptographic signatures (see for
example http://www.howstuffworks.com/question571.htm). The ironic
thing is that cryptographic technology is the only thing that might save
us as Internet vandals are becoming more clever, but on the other
hand, the US government is talking about a restriction on crypto laws
again. There are many uses of crypto that cannot be meaningfully used
by terrorist to hide their actions, but only one that can. The
infrastructure Internet is currently extremely susceptible to random acts
of vandalism and yes, terrorism, and the only thing that will ever keep
it safe is if crypto gets used more.

I hope you will excuse the blatant use of your email address as the
sender of this email. A point like this is most clearly illustrated by an
dramatic (?) example. I would like to tell you how to repeat the "trick"
on your computer, but I do not know how to use your email client
program (AOL 7.0, right?).

Let me know if I can be of assistance in this matter.

Sincerely,
~Johannes Brodwall johannes@brodwall.com

----- Original Message -----
From: "Barry Karr" <SkeptInq@aol.com>
To: <CSICOP-ANNOUNCE@LISTSERV.AOL.COM>
Sent: August 26, 2002 15:12
Subject: DO NOT OPEN!! - 1999 PBS Online and WGBH - CSICOP
List

A virus loaded e-mail was sent out to the CSICOP announcement list
allegedly from the Skeptinq@aol.com address (my e-mail address).  I
did not send out this message, and it did not originate from my
machine. It seems either my e-mail or the list was hacked.

The title of the message is "1999 PBS Online and WGBH."  It comes
with an attached file, but do not even click on the message.  I have
been told that the virus can download just by clicking on the e-mail
itself without downloading the attached file.

Barry Karr
CSICOP
....................................
 

 
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