full-disclosure - Re: Verizon Wireless DNS Tunneling

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Message-ID: <CACQ_HNqu0a+Co_2VA28AgHF4C+0JNUcocn9VKp9gzNqAXCNG-A@mail.gmail.com>
Date: Fri, 7 Oct 2011 08:56:11 -0300
From: Marshall Whittaker <marshallwhittaker@...il.com>
To: BH <lists@...ckhat.bz>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Verizon Wireless DNS Tunneling

Yes, I've found that DNS tunneling works well at the college I go to on
their WIFI.  I've never gotten ICMP tunneling to work myself (outside of a
virtual machine),  but I have some code laying around somewhere that can do
it just in case I need it for something sometime.  Just thought it would be
interesting to some people that it works on such a large provider as
Verizon.  The only problem with it that I see is that it's quite slow.  But
if it works, so be it.  Good for checking email and browsing the web and
such on the road.  But I wouldn't try to torrent a linux distro with it,
haha.

--oxagast

On Fri, Oct 7, 2011 at 7:39 AM, BH <lists@...ckhat.bz> wrote:

>  This comes in handy when travelling, I also found a few places where ICMP
> tunnelling works well.
>
>
> On 7/10/2011 6:35 PM, Dan Kaminsky wrote:
>
> Works mostly everywhere.  It's apparently enough of a pain in the butt to
> deal with, and abused so infrequently, that it's left alone.
>
> On Fri, Oct 7, 2011 at 3:32 AM, Marshall Whittaker <
> marshallwhittaker@...il.com> wrote:
>
>> I recently noticed that you can tunnel TCP through DNS (I used iodine) to
>> penetrate Verizon Wireless' firewall.  You can connect, and if you can hold
>> the connection long enough to make a DNS tunnel, then the connection stays
>> up, then use SSH -D to create a proxy server for your traffic. Bottom line
>> is, you can use the internet without paying. I made a video of it.  It can
>> be seen here:
>> http://www.youtube.com/user/Oxagast?blend=2&ob=5#p/u/0/X6oWESQMVd8 I
>> tried to contact Verizon on their security blog about it a few weeks ago at
>> http://securityblog.verizonbusiness.com/ however, I have not had a
>> response.  This technique still works as of this posting.  Maybe this will
>> help them get their act together ;-)
>>
>>  --oxagast
>>
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>
>
> _______________________________________________
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Full-Disclosure - We believe in it.
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