On the case with Sam Spade


In this newsletter, I thought some readers would enjoy seeing the steps in finding out the details of yet another e-mail scam: fraudulent click-throughs.

On Dec. 23, 2000, I received an HTML invitation from a stranger to try a "new game." Unimpressed by the warmth of the invitation and suspicious of any attachment, I looked at the source code and found some peculiar aspects:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">








TARGET="_top" onmouseover="window.status='CLICK IT';return true">

<font size="+1">click here</font></A><IMG

SRC="http://www.whispa.com/tracking/exposure.dll?263589" WIDTH=1 HEIGHT=1

BORDER=0><br><br>To join new game for free<br>No charge</p>



The source suggested that the intent of this information was primarily to track responses, not to convey information.

I then turned to the Sam Spade 1.14 network utility (see http://www.samspade.org/ssw/ for details of this useful freeware) and quickly found that the headers were forged.

Between the asterisks below is what the program returned to me (note that the commentary -- e.g., "My comments are just hints" -- is the program's, not mine.):


12/27/00 16:22:21 Input

The Received: headers are the important ones to read

My comments are just hints, and should be considered only

an opinion. I may have guessed wrong, or things may have

changed since I was written

Sender: Lisa@netvision.net.il

Received: from mgw-mp.sric.sri.com (mgw-mp.sric.sri.com

[]) by spdmgaae.compuserve.com

(8.9.3/8.9.3/SUN-1.9) with ESMTP id PAA02807 for

<mkabay@compuserve.com>; Sat, 23 Dec 2000 15:13:11 -0500


This received header was added by your mailserver

spdmgaae.compuserve.com received this from mgw-mp.sric.sri.com

(IP addresses match)

Received: from mailgw1.netvision.net.il ([])

by mgw-mp.sric.sri.com (Netscape Messaging Server 3.6)

with ESMTP id AAA14C6 for

<mkabay@atomictangerine.com>; Sat, 23 Dec 2000

12:12:38 -0800

mgw-mp.sric.sri.com received this from mailgw1.netvision.net.il

(IP addresses match)

Received: from mailgw.netvision.net.il

(c2189.racs.surfree.net.il []) by

mailgw1.netvision.net.il (8.9.3/8.9.3) with ESMTP id

WAA00219 for <mkabay@atomictangerine.com>; Sat, 23 Dec 2000

22:12:33 +0200 (IST)

mailgw1.netvision.net.il received this from someone claiming

to be mailgw.netvision.net.il

but rreally from

All headers below may be forged

Message-Id: <200012232012.WAA00219@mailgw1.netvision.net.il>

From: Lisa@mailgw1.netvision.net.il

To: mkabay@atomictangerine.com

Subject: new game try it

Date: 23 Dec 2000 22:14:52 +0200

Mime-Version: 1.0

Content-Type: text/html


Visiting the proposed URL (http://www.findcommerce.com/tracking/sarefer.dll?HostBannerID=263589) simply forwarded me to a "not found" page at:


Visiting the hidden URL (http://www.whispa.com/tracking/exposure.dll?263589) resulted in no response at all; trying to backtrack through the directory tree resulted in closed connections.

Checking the registration of "whispa.com" (easily done using SamSpade) showed the registrant to be a London company Global Market Ltd., with this contact information:

Administrative Contact, Billing Contact:

Leo, Scheiner (SL2005) leo@NETCOMUK.CO.UK

Global Market Ltd.

29 Fairholme Gardens


N3 3ED


44 181 346 0770 (FAX) 44 181 346 8316

Technical Contact:

Digiweb, Inc. (HDI2-ORG) hostmaster@DIGIWEB.COM

Digiweb, Inc.

4716 Pontiac Street

College Park, MD 20740


301-982-1688 Fax - 301-982-9782

The registration for "findcommerce.com" is the same.

The Tech Contact phone number had been disconnected. The U.K. number city code 181 had been changed to 208, and I was able to get through to the changed number.

I spoke with Leo Scheiner, the administrative contact, who turned out to be a good guy. He very kindly explained the situation. The company normally counts hits on banner ads; it has nearly 100,000 subscribers. These subscribers are paid according to how many people click on those banner ads from their sites.

In this case, the perpetrator was a sleazy operator. It seems that this crook was trying to generate revenue by fraudulently generating clicks on his assigned URL. He did so by using unsolicited commercial e-mail to trick gullible people into creating fruitless clicks on his assigned URL.

MORAL: Don't click on URLs that you receive in junk e-mail.

This story, "On the case with Sam Spade " was originally published by Network World.

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