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PEunion
PEunion bundles multiple executables (or any other file type) into a single file. Each file can be configured individually to be compressed, encrypted, etc. In addition, an URL can be provided for a download to be executed.
The resulting binary is compiled from dynamically generated C# code. No resources are exposed that can be harvested using tools like Resource Hacker. PEunion does not use managed resources either. Files are stored in byte[] code definitions and when encryption and compression is applied, files become as obscure as they can get.
And on top of that, obfuscation is applied to a maximal extent! Variable names are obfuscated using barely distinguishable Unicode characters. String literals for both strings that you provide, as well as constant string literals are encrypted.
PEunion can be either used as a binder for multiple files, as a crypter for a single file, or as a downloader.
Screenshots
This is the application interface. First, you add the files to your project.
Each file can be configured individually. Default settings already include obfuscation, compression and encryption. Relevant settings are primarily: Where to drop the file, using what name and whether or not to execute it and so on...
The project can be saved into a .peu file, which includes all project information. Paths to your files are relative if they are located in the same directory or a sub directory.
PEunion can also be used as a downloader. Simply specify a URL and provide drop & execution parameters. Of course, bundled files and URL downloads can be mixed in any constellation.
Settings
For the C# code that is generated, compiler settings can be configured here. Usually, you will be looking to change the icon and assembly info:
The next two pages include settings for obfuscation and startup parameters. Default obfuscation settings are at maximum, however they can be changed, if required.
See more bellow !
