I have to read http/https messages sent from a client system and see that the messages are not being modified within system by any malware and the server receives what exactly the user wants to send.
For Example, a User in an online Banking Transaction wants to send Amount $100 to Account 'A' and lets say that the message has been modified by a spurious program within system outside of users knowledge and sends it as $1000 ,Account 'B' before it is sent to the Server over the Network. I need to verify the details of the message before it is sent to the server.
Thus I want to use a Proxy to see what request is being sent to the Banking Server and display it to user. Then the User observes that it has changed to B,$1000 and immediately aborts or kills the request.
In this way I want to ensure the integrity of the details of a secure Transaction. For this reason, I need a Proxy which made me research about them and came up with these four proxies. As I am beginner in this area and don't know much about it. Want to know if any of these proxies work or Is there a better approach to work out my purpose.
Paros, BURP Free Version, Webscarab, SQUID.
If anyone has a better user friendly and useful proxy please feel free to suggest it