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Network Security Pen-Test
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Pen Testing a C# desktop application with source code

Subject: Pen Testing a C# desktop application with source code
Date: Tue, 18 Jul 2006 18:45:28 -0700
Hello All,

I am penetration testing a C# (.Net) desktop application with SQL
server as the backend. The source code of the application is also made
available to me. Here is what I have done till now:

1. Scanned using Nessus and found that application doesn't have any
services running. It just uses Internet for some services and central
database for storage.

2. I used Application Proxy to intercept communications to see if
anything was suspicious but couldn't find anytrhing.

3. I didn't try Buffer Overflow attacks as it is secured by .Net itself.

4. I know the backend API's but what can be done with those?

5. I tried SQL injection but it seems to be protected even for blind
sql injection.

Till now I haven't found any vulnerability. Any idea what more can I
do? Any other techniques? Any docs?

Looking for some help from you guys.

Thanx.

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