sRDI - Shellcode Implementation Of Reflective DLL Injection

sRDI allows for the conversion of DLL files to position independent shellcode.
Functionality is accomplished via two components:

C project which compiles a PE loader implementation (RDI) to shellcode
Conversion code which attaches the DLL, RDI, and user data together with a bootstrap

This project is comprised of the following elements:

ShellcodeRDI: Compiles shellcode for the DLL loader
NativeLoader: Converts DLL to shellcode if neccesarry, then injects into memory
DotNetLoader: C# implementation of NativeLoader
Python\ConvertToShellcode.py: Convert DLL to shellcode in place
Python\EncodeBlobs.py: Encodes compiled sRDI blobs for static embedding
PowerShell\ConvertTo-Shellcode.ps1: Convert DLL to shellcode in place
FunctionTest: Imports sRDI C function for debug testing
TestDLL: Example DLL that includes two exported functions for call on Load and after

The DLL does not need to be compiled with RDI, however the technique is cross compatiable.

Use Cases / Examples
Before use, is recommend to you become familiar with Reflective DLL Injection and it's purpose.

Convert DLL to shellcode using python

from ShellcodeRDI import *

dll = open("TestDLL_x86.dll", 'rb').read()
shellcode = ConvertToShellcode(dll)

Load DLL into memory using C# loader

DotNetLoader.exe TestDLL_x64.dll

Convert DLL with python script and load with Native EXE

python ConvertToShellcode.py TestDLL_x64.dll
NativeLoader.exe TestDLL_x64.bin

Convert DLL with powershell and load with Invoke-Shellcode

Import-Module .\Invoke-Shellcode.ps1
Import-Module .\ConvertTo-Shellcode.ps1
Invoke-Shellcode -Shellcode (ConvertTo-Shellcode -File TestDLL_x64.dll)

Stealth Considerations
There are many ways to detect memory injection. The loader function implements two stealth improvments on traditional RDI:

Proper Permissions: When relocating sections, memory permissions are set based on the section characteristics rather than a massive RWX blob.
PE Header Cleaning (Optional): The DOS Header and DOS Stub for the target DLL are completley wiped with null bytes on load (Except for e_lfanew). This can be toggled with 0x1 in the flags argument for C/C#, or via command line args in Python/Powershell.

Building
This project is built using Visual Studio 2015 (v140) and Windows SDK 8.1. The python script is written using Python 3.
The Python and Powershell scripts are located at: