Re: [WEB SECURITY] HTTP Proxy for thick clients

From: haroon meer (haroon@sensepost.com)
Date: Tue Aug 28 2007 - 14:59:38 EDT


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Hi..

Make sure that you restart the application after changing your proxy
settings..

If this (or the other suggestions) dont work, check out the
outstandingly useful echomirage from bindshell.net

/mh

* Huan Chi <ktriv3di@msn.com> [2007-08-28 11:38:06 -0700]:

> Thanks guys for the suggesstion. I tried doing this and for some reason the
> although Paros works for IE, it does not work for the thick client
> application.
>
> The thick client seems to send the traffic directly.
>
> Any other suggesstions?
>
>
> ----- Original Message ----- From: "haroon meer" <haroon@sensepost.com>
> To: "Huan Chi" <ktriv3di@msn.com>
> Cc: <websecurity@webappsec.org>; <pen-test@securityfocus.com>
> Sent: Monday, August 27, 2007 11:30 PM
> Subject: Re: [WEB SECURITY] HTTP Proxy for thick clients
>
>
>> Hi Huan..
>>
>> Fortunately for you, a .Net application will make use of the proxy
>> configured on the system when making SOAP calls by default (because i
>> believe it is using an IE instance to handle the call).
>>
>> Simply set burp/paros as your proxy prior to starting up your
>> thick-application and it should work exactly as you planned..
>>
>> (if the app bails because of an incorrect SSL key, you might have to
>> decompile the binary to remove the cert check or may get away with
>> installing a new cert (with just the correct CN into paros/burp) - but
>> you can contact me off-list if this does happen)
>>
>> /mh
>>
>> * Huan Chi <ktriv3di@msn.com> [2007-08-27 19:32:26 -0700]:
>>
>>> List,
>>>
>>> I am testing a .NET thick client application using web services. I am
>>> looking for an HTTP/TCP Proxy tool like PAROS / BURP which I can use to
>>> see the change the traffic. The application does not have a way to set
>>> proxy setting so I cannot use paros / burp and then do proxy chaining.
>>> Also, everything on the tunnel is SSL, so ethereal is not much help
>>>
>>> Also, any good tools to edit XML / SOAP traffic
>>>
>>> Thanks for suggesstions in advance
>>>
>>>
>>>
>>>
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>>>
>>>
>>>
>>> ** CRM114 Whitelisted by: Subject: [WEB SECURITY] **
>>
>> --
>> Haroon Meer, SensePost Information Security |
>> http://www.sensepost.com/blog/
>> PGP: http://www.sensepost.com/pgp/haroon.txt | Tel: +27 83786 6637
>>
>>
>>
>> ** CRM114 Whitelisted by: From haroon@sensepost.com **
>
>
>
> ** CRM114 Whitelisted by: From: "haroon meer" <haroon@sensepost.com **

- --
Haroon Meer, SensePost Information Security | http://www.sensepost.com/blog/
PGP: http://www.sensepost.com/pgp/haroon.txt | Tel: +27 83786 6637

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