RE: Possible Intrusion Attempt?

[FWAdmin <FWAdmin () nbpower com>]

A few of our users have received the same thing. We also use MS Proxy 2.0,
but they get popups for authentication with some weird user name in the user
ID box. The text of the message is as follows:

<B>Subject:</B> are you tired of 
being single? ut qw pydxve j<BR><BR></FONT></DIV>Loading please wait... <A 
href="http://www.beowolfhost.com/1/index.html?a=MTEyfDI=";><IMG 
src="http://beowolfhost.com/4/amateur_match_400x300_01.jpg"; NOSEND="1"><A>rr
vs 
sv h qacvntnzzf adcyf nxsci qvi hane o lopp qcnazyh bk gzsdh ic uxjuz u qwx
h t 
</A><BR>

The e-mail didn't trigger authentication with me, and all it downloaded was
an image. Depending on a user's proxy settings, this message may or may not
prompt for authentication.

Did you get a look at what the login screen was for? Ours was a login prompt
for our proxy cluster, not the remote web site.

                -Jason

-----Original Message-----
From: Matt LaFelero [mailto:ramstryke () yahoo com] 
Sent: May 21, 2003 20:48
To: incidents () securityfocus com
Subject: Possible Intrusion Attempt?




I'm hoping someone here might be able to shed some light on this 

situation..  



Some of my users have been getting some interesting spam mail.  This is 

the first time I've ever seen a spam mail do this.  When the user opens 

the spam mail, all of a sudden, an Internet Explorer authentication 

boxes pops up.  You know those that ask for username, password, and 

domain.  



Well, I run MS Proxy 2.0 here and the logon with a 2KPro machine is 

integrated so the user never sees this box or has to enter his/her 

password to get on the Web.  



It's strange that this email triggers the authentication box.  What's 

even weirder is that it populates the username for them, with weird 

names.  The names always seem to change from spam mail to spam mail.  I've 

seen iterations like fluff, skank, morton, taxiway.. you name it.



It seems most of the emails are HTML, which can explain a lot.  None of 

them had attachments.  From what I could gather it seems to attempting to 

load a site.  We run Outlook 2000 with SP3 and all hotfixes.



My question is, how is this happening and is it a threat?


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