Koppeling is a demonstration of advanced DLL hijack techniques. It was released in conjunction with the “Adaptive DLL Hijacking” blog post. I recommend you start there to contextualize this code.
This project is comprised of the following elements:
The VS solution itself supports 4 build configurations which map to 4 different methods of proxying functionality. This should provide a nice scalable way of demonstrating more techniques in the future.
The goal of each technique is to successfully capture code execution while proxying functionality to the legitimate DLL. Each technique is tested to ensure static and dynamic sink situations are handled. This is by far not every primitive or technique variation. The post above goes into more detail.
Example
Prepare a hijack scenario with an obviously incorrect DLL
copy C:\windows\system32\whoami.exe .\whoami.exe
1 file(s) copied.
copy C:\windows\system32\kernel32.dll .\wkscli.dll
1 file(s) copied.
Executing in the current configuration should result in an error
whoami.exe
“Entry Point Not Found”
Convert kernel32 to proxy functionality for wkscli
NetClone.exe –target C:\windows\system32\kernel32.dll –reference C:\windows\system32\wkscli.dll –output wkscli.dll
[+] Done.
whoami.exe
COMPUTER\User
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