Windows® via C/C++, Fifth Edition

Chapter 22. DLL Injection and API Hooking

In this chapter:

DLL Injection: An Example

Injecting a DLL Using the Registry

Injecting a DLL Using Windows Hooks

Injecting a DLL Using Remote Threads

Injecting a DLL with a Trojan DLL

Injecting a DLL as a Debugger

Injecting Code with CreateProcess

API Hooking: An Example

In Microsoft Windows, each process gets its own private address space. When you use pointers to reference memory, the value of the pointer refers to a memory address in your own process’ address space. Your process cannot create a pointer that references memory belonging to another process. So if your process has a bug that overwrites memory at a random address, the bug can’t affect the memory used by another process.

Separate address spaces are ...