Re: Wierd non-http port 80 daemon?

[Kelly John Rose <mllists () ptbcanadian com>]

Kazaa Lite sometimes works out of Port 80.

Dani Wuck wrote:

> G'day. My first post here, and I truly hope I've come to the right place.
>
> I've been scanning a box, and it's - lightly taken - set up very 
> insecure. Many open ports, etc. One thing I find strange is the 
> following: The box is open on port 80. But if you telnet into it, it 
> doesn't act anything like a HTTP daemon.
>
> #1. If you connect to it, it waits for remote input.
> #2. It accepts a certain number of chars before it closes the connection.
> #3. If you immediately send the max. number of chars, (or more) the 
> connection is closed at once.
> #4. You can send five times an 'a', and then get disconnected.
> #5. If you'd send 'abc', you'll get disconnected after < 5 times 
> (usually 3 or 2)
> #6. Every time you send something, (except doing #3) it returns some 
> ASCII that seems to be different everytime. (even if you keep sending 
> the same)
>
> So .. what do you think I'm looking at? A trojan or something?
> Guessing on its open ports I believe it's a WinME OEM, Win2000 or 
> (probably) WinXP box. (UPNP enabled)
>
> I'm eager to notify its user, but I first really want to know what 
> that port 80 deamon is :)
>
>  - wuck
>
> --------------------------------------------------------------------------- 
>
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course! All of our class sizes are guaranteed to be 10 students or less. 
We provide Ethical Hacking, Advanced Ethical Hacking, Intrusion Prevention, 
and many other technical hands on courses. 
Visit us at http://www.infosecinstitute.com/securityfocus to get $720 off 
any course!  
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