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Topic created on: June 15, 2007 16:18 CDT by TurboTramp .

I am looking for ICSecureSocket::EncryptData in wininet.dll. I have found this functiion in 2000, XP, XP-SP2 and 2003 versions of wininet.dll, but I am having trouble finding it in the Vista library. I am currently looking for similarities using IDA. Any other ideas?

asotirov		June 15, 2007 18:35.23 CDT
Have you tried BinDiff/EBDS? If you're not seeing a function with the same name in the Vista DLL it's possible that they moved the code or another function or DLL, or removed it completely. Try this: put a breakpoint on the EncryptData function on XP and look at the backtrace. Find the nearest caller that still exists in Vista, and then reverse the functions following the call chain.

hackbunny		June 24, 2007 16:53.33 CDT
> TurboTramp: I am looking for ICSecureSocket::EncryptData in wininet.dll. I have found this functiion in 2000, XP, XP-SP2 and 2003 versions of wininet.dll, but I am having trouble finding it in the Vista library. I am currently looking for similarities using IDA. Any other ideas? You are using the wrong approach. Set a breakpoint on secur32!EncryptMessage, trigger it with an HTTPS connection and examine the stack backtrace. From what I recall, I think you'll find out the SSL/TLS code has been moved to Winsock as a LSP (Layered Service Provider)

jms		June 24, 2007 23:05.45 CDT
Do LSP's operate the same way in Vista as they did in XP? This is an area I haven't explored yet, and was just curious...

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