[p2p-hackers] DNS hijacking?

David Barrett dbarrett at quinthar.com
Mon May 25 17:47:26 EDT 2009

It's not eavesdropping I'm concerned about.  I'm thinking with this 
attack you could inject malicious code into otherwise innocuous HTTP 
traffic.  For example, you might add a "Install the latest Google 
Toolbar!" link straight into the live, functional Google homepage, and 
even make that link look like it's coming straight from 
http://google.com, but then host a virus-infected version of Google Toolbar.


Tien Tuan Anh Dinh wrote:
>> I'm primarily thinking of a wifi office or internet cafe; can't 
>> everybody sniff everybody else's traffic (including DNS requests)?  Does 
>> this mean that every wifi network is vulnerable to this really easy 
>> attack, and there's basically no defense other than upgrading all of DNS?
> When your traffic is in plain-text while you're in a wifi cafe, you give 
> your privacy to the one operating that access point already.
> https was designed for these scenarios. When your traffic is sensitive, 
> use https.
> I'm wondering what would one gain by eavesdropping unimportant traffic 
> of others in an Internet cafe? I'm not sure if this attack can cause any 
>   noticeable damage.
> A.
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