From: Rogan Dawes (discard@dawes.za.net)
Date: Tue Jun 06 2006 - 01:18:01 EDT
Phil Frederick wrote:
> On 6/2/06, Huzeyfe Onal <huzeyfe.onal@gmail.com> wrote:
>> On 1 Jun 2006 03:14:53 -0000, one2@onetwo.com <one2@onetwo.com> wrote:
>> > Hi,
>> >
>> >
>> > Does anyone know of an HTTPS proxy tool that will let you resign SSL
>> > certificates when doing a MITM attack?
>> >
>> >
>> > Thanks,
>> >
>> > One2
>>
>> Hi,
>>
>> Cain & Abel gives you this option. It recreate fake valid
>> certificate(
>> not signed by Original CA, it is self signed)
>
> Yeah, but this will still pop up a certificate warning.
>
> I am assuming you are talking about proxy for an *outbound*
> connection.
>
> This can be done without having the private key, but it gets a little
> complicated to setup. This is assuming you have full control of the
> client end network - DNS, routing, etc...
>
> Set up your own authortative record in the DNS at the client end of
> the connection. Have it redirect to your own site with a validly
> signed cert (try to make the name as close as possible so as not to
> make it easily noticeable to the end-user). Then make a connection
> from your server and pass the results back to the client (with or
> without any modification you want to do). Basically you are still
> acting as a proxy, but rather than passing SSL traffic directly, you
> become and end point to the user and a client point to the legitimate
> end point. That way all the information will traverse in plain-text
> across the computer, yet still be encrypted everywhere else.
>
It may be possible to insert the CA used by Cain & Abel into the
victim's browser (assuming this is being done for legitimate purposes),
which would make the provided certs "legitimate" as far as the browser
can see.
Regards,
Rogan
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