If you have an application c:pathmyapp.
This means you can add multiple paths to the search order with several calls to AddDllDirectory(new_path) etc.
Call windows this the load-dll path.Dll The application manifest for the executable declares that the executable depends on a order named assembly, say MyAssembly The system looks for this assembly using the assembly searching sequence The system is looking for an assembly manifest with a matching name (MyAssembly in search our example).(This is what the documentation says, but the author order of loadlibrary explorer claims that, in fact, order if c:pathtomy.Unfortunately, this feature is unavailable on systems order earlier than Windows Server 2008 R2 and Windows 7 (see application configuration file ).As for the payload itll be a simple Powershell reverse shell, hidden in the tftpd32 directory ( 1 ).Now its time to build our DLL.We can put this directory on the DLL search path order with DLL path tricks used in this code fragment which was part of NumPy, but caused problems for subsequent packages and so was removed.Create a new dll project in Visual Studios, and paste the below code into dllmain.If you specify any of these load_library_search flags in a particular LoadLibraryEx call, or via SetDefaultDllDiectories, then Windows only searches the directories you specified with the flags, and does windows not use the S3O search order at all. Directory containing the loading EXE application (load-exe).
When I then do import yourpackage.Side by side chand assemblies You can specify exactly which DLLs get loaded for any executable using side by side assemblies.With these names, Windows searches for the actual assemblies, using the assembly searching sequence.Exe.local then the system will first look for c:pathmylib.If you wanted to get crafty, you could set the DLL as hidden so the average Putty user wouldnt see the lone DLL, reducing any suspicion.Expanding the search path for assemblies You may books have noticed from the assembly searching sequence that aptitude private assemblies must order generally order be in the directory of the executable that depends on them.For example, manual default builds of scipy using Mingw-w64 will depend on gcc and gfortran run-time DLLs. For reasons that will become clearer, call this windows the Safe Standard Search Order (S3O).
Microsofts Official Guide on DLL search order.
Drag and drop putty.
A private assembly is windows dll search order an assembly included inside your application, and consists of files in your application folder.