Honeypots: Simplistic NetCat Honeypot Find

["Chris Mawer" <chris_mawer () hotmail com>]

List,

Ive spent the last 24 hours collecting data from a netcat listener running 
on port 80 (HTTP). The listener doesnt fire back any data, just waits for 
connects, logs what data is sent then closes the connection and resumes 
listening on 80.
C:\Documents and Settings\Administrator\Desktop>nc -L -p 80 -vv
listening on [any] 80 ...
(Command used to start the listener)

A slightly bewildering find has been that about 4 requests over the 24 hour 
period (unfortunately, netcat doesnt timestamp connections) are as below:
connect to [**LOCAL_IP_OBSCURED**] from dialin-145-254-150-182.arcor-ip.net 
[145.254.150.182
] 1964
GET http://www.s3.com/ HTTP/1.1
Host: www.s3.com
Accept: */*
Pragma: no-cache
User-Agent: Mozilla/4.0 (compatible; MSIE 4.01; Windows 95)

sent 0, rcvd 145
listening on [62.7.137.21] 80 ...

Instead of requesting a document of some form, index.html, index.htm, or 
even some of the more common IIS vulnerabilities exloited by mass 
propagation worms (ie directory traversal and MDACS exploits etc), this user 
has requested an url of http://www.s3.com. How does this work? I would have 
imagined the attacker would want an anoymous relay to relay the contents of 
www.s3.com to him. However, how would this work? My box connect to said site 
and then said site send to me and I relay to attacker? Arent we getting into 
NAT and Internet Connection Sharing here?
This happened a few times and the attacker IP never changed, although mine 
changed every 2 hours due to standard 56k modem account restrictions.
Something else interesting, whats the bets that this was an automated tool 
of some kind? I imagine very few hackers are still using Windows 95 and IE 
4.01. Is this an indication of say a distributed DOS attack against 
www.s3.com, whereby a zillion HTTP requests are fired at their servers all 
at once?
Any thoughts much apreciated,

Chris Mawer
http://www.chrismawer.netfirms.com

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