Wednesday, 28 September 2011

I have been storing the infrequent spam messages I have been receiving in a special folder for further investigation.

This is the visible content of the message:

















This is your typical 2010 spam, a slightly personal message with a suspicious link at the end. On further investigation this seems like spam, but let's investigate as to why it was delivered to my Inbox.

The following is the content of the message. As we can see from the headers, this message was authenticated on delivery.

X-Message-Delivery: Vj0xLjE7dXM9MDtsPTA7YT0wO0Q9MjtTQ0w9NA==

X-Message-Status: n

X-SID-PRA: ***** <*****@hotmail.com>

X-SID-Result: Pass

X-AUTH-Result: PASS

X-Message-Info: P3NBY493gE4pMNIxHJStag1YLFymmzyd/txPN3V4SOi1z4SikDMWBofFDnD51rZdGp7/3PCPDGb5J6WxHPcHb7VLiFYCCYf8TzWewNfsT872aGo2p4QMWw==

Received: from bay0-omc4-s5.bay0.hotmail.com ([65.54.190.207]) by bay0-hmmc2-f12.Bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675);

  Fri, 6 May 2011 15:05:56 -0700

Received: from BAY146-W10 ([65.54.190.199]) by bay0-omc4-s5.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675);

  Fri, 6 May 2011 15:05:49 -0700

Message-ID: <BAY146-w104BF9C4F61E5CF14AABDBE1830@phx.gbl>

Return-Path: *****@hotmail.com

Content-Type: multipart/alternative;

 boundary="_6397c590-f4b8-43cd-9caa-468c7fba3654_"

X-Originating-IP: [173.12.176.73]

From: ***** <*****@hotmail.com>

Subject: Hi

Date: Fri, 6 May 2011 16:05:49 -0600

Importance: Normal

MIME-Version: 1.0

Bcc:

X-OriginalArrivalTime: 06 May 2011 22:05:49.0753 (UTC) FILETIME=[C2308290:01CC0C39]



--_6397c590-f4b8-43cd-9caa-468c7fba3654_

Content-Type: text/plain; charset="iso-8859-1"

Content-Transfer-Encoding: quoted-printable





Hey=2C

howfareSyou?? Prettyxlong days9yeah?



Btw i had been feelingzlowEtoday buttwhen ivsaw thatV0  G o o gol e   Asent=

Lme thebcheck fork$G43v:=3D}} i was surprised.

imWsoVhappyEnow becausefi startedwworking from home and evenlsitting on my =

computer lol.



you might want toograb moreuinfouand earn some $$'s?

            =



--_6397c590-f4b8-43cd-9caa-468c7fba3654_

Content-Type: text/html; charset="iso-8859-1"

Content-Transfer-Encoding: quoted-printable



<html>

<head>

<style><!--

.hmmessage P

{

margin:0px=3B

padding:0px

}

body.hmmessage

{

font-size: 10pt=3B

font-family:Tahoma

}

--></style>

</head>

<body class=3D'hmmessage'>

<style>.4F5r {visibility: hidden=3B color:#ffffff=3B}</style>Hey=2C<br>how<=

font class=3D"4F5r" id=3D"aYGw">f</font>are<font class=3D"4F5r" id=3D"FabN"=

>S</font>you?? Pretty<font class=3D"4F5r" id=3D"fAGM">x</font>long days<fon=

t class=3D"4F5r" id=3D"HKq0">9</font>yeah?<br><br>Btw i had been feeling<fo=

nt class=3D"4F5r" id=3D"6NMk">z</font>low<font class=3D"4F5r" id=3D"eYFx">E=

</font>today but<font class=3D"4F5r" id=3D"sCmv">t</font>when i<font class=

=3D"4F5r" id=3D"DvQh">v</font>saw that<font class=3D"4F5r" id=3D"yJLX">V</f=

ont><font class=3D"4F5r" id=3D"zfdV">0</font>&nbsp=3B&nbsp=3BG o o g<font c=

lass=3D"4F5r" id=3D"XNb8">o</font>l e&nbsp=3B&nbsp=3B <font class=3D"4F5r" =

id=3D"seyC">A</font>sent<font class=3D"4F5r" id=3D"yREx">L</font>me the<fon=

t class=3D"4F5r" id=3D"hg3c">b</font>check for<font class=3D"4F5r" id=3D"lV=

dQ">k</font>$<font class=3D"4F5r" id=3D"QcbT">G</font>43<font class=3D"4F5r=

" id=3D"5WfB">v</font>:=3D}} i was surprised.<br>im<font class=3D"4F5r" id=

=3D"Z0YE">W</font>so<font class=3D"4F5r" id=3D"Skn1">V</font>happy<font cla=

ss=3D"4F5r" id=3D"N2tz">E</font>now because<font class=3D"4F5r" id=3D"VbAg"=

>f</font>i started<font class=3D"4F5r" id=3D"rfpT">w</font>working from hom=

e and even<font class=3D"4F5r" id=3D"5W6B">l</font>sitting on my computer l=

ol.<br><br>you might want to<font class=3D"4F5r" id=3D"DmaJ">o</font>grab m=

ore<font class=3D"4F5r" id=3D"ngXW">u</font>info<font class=3D"4F5r" id=3D"=

bPwG">u</font><a href=3D"http://short.as/bmr?qz">and earn some $$'s?</a><br=

>            </body>

</html>=



--_6397c590-f4b8-43cd-9caa-468c7fba3654_--

From the source, we can see that words like "Google", "working" and "check" were obfuscated, probably to evade filters.

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