This page contains source codes of some socket spy function and some other system implemetations
   
Example of simple debugger application. The code shows how to debug already active process (usage of DebugActiveProcess function) ) and how to detach from debugger (usage of DebugActiveProcessStop function). C++ console application, x64 Visual Studio 2010 project. Download
   
The first attempt to create 64-bit debugger on C#

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Get process users (C#, Win32 pinvokes)

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Get parent process, console application, required parameter - PID of the current process  (C++, Win32 API)

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The GUI application to get DLL export functions (function ordinal, name and address) with source code (C#, Windows Forms, .Net 4.0). Screenshot.

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Similar utility in C++. The GUI application to get DLL export functions (function ordinal, name and address) with source code (C++, Win32 API, MFC)

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Get information of currently running processes.
C#, All Cpu project  based on NtQuerySystemInformation function.

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Export certificate in PKCS #7, DER, Base-64 formats. C# 

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Get executable file description by process Id. C++, Win32 API.

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Get executable file path and description by process Id. C#, Win32 API P/Invokes.

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