MurkyStrings - stealthy string obfuscation

MurkyStrings is a string obfuscator for .NET applications, built to evade static string analysis. It does not rely on encryption or encoding to evade entropy-based detections. Instead, it transforms strings into a murky mess by inserting special characters and random words. Removing them again on runtime.

Usage

MurkyStrings.exe <file path> [--mode=<mode>]

Available modes:

name	functionality
replace[glyph]	Insert a variety of homoglyph characters that look identical to alphabetical characters
replace[simple]	Insert random amounts of a special character in between all actual characters
combine[glyph]	Combines remove and replace[glyph]
combine[simple]	Combines remove and replace[simple]

Compatibility

MurkyStrings is by default build for .NET Framework however, you can compile it targeting .NET Core and it should work just fine.

How does it work?

I wrote a detailed blog post for that feel free to check it out

Very quickly explained: We insert junk data into the original strings and then remove the junk data on runtime.