[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Full-disclosure] JavaScript get Internal Address (thanks to DanBUK)



Hello,

I worked on something similar, it uses Java in the same way, but also uses 
a custom DNS server to obtain even more information:

Demo:
http://metasploit.com/research/misc/decloak/

Code:
http://metasploit.com/research/misc/decloak/HelloWorld.java

-HD

On Saturday 12 August 2006 03:55, pdp (architect) wrote:
> http://www.gnucitizen.org/projects/javascript-address-info
> http://f-box.org/~dan/jstest.html
>
> The following technique was brought to me by DanBUK
> (http://f-box.org/~dan/). Dan managed to find the internal IP address
> of the visiting client by establishing a socket between local host and
> the remote web server. Upon success the socket populates its structure
> with all kinds of useful information among some of which are the
> internal IP address and the hostname.
>
> http://www.gnucitizen.org/projects/javascript-address-info/addressinfo.
>js
>
> This technique requires Java, however I think that It should be
> possible to achieve similar result by invoking special ActionScript
> methods from Flash.
>
> POC can be found on the url above.

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/