SetWindowsHookEx()
Using SetWindowsHookEx() to perform Remote Process Injection
HHOOK SetWindowsHookExA(
int idHook,
HOOKPROC lpfn,
HINSTANCE hmod,
DWORD dwThreadId
);
  • Using a process ID get a thread ID which we want to hook into
    • GetThreadID()
  • Load the DLL library, and get the address of the exported function you are going to call
    • LoadLibrary()
    • LoadLibraryEx()
    • GetProcAddress()
  • Find a Window associated with the process name
    • FindWindow()
  • Get the Window Thread ID
    • GetWindowThreadProcessId()
  • Set a Hook into this thread ID so that when the event triggers, our DLL exported function gets called
    • SetWindowsHookEx()
  • Optionally Unhook
    • UnhookWindowsHookEx()
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