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Bartosz Wójcik

Simple Polymorphic Engine (SPE32)

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Bartosz Wójcik

Simple Polymorphic Engine (SPE32) is a simple polymorphic engine for encrypting code and data. It is an amateur project that can be used to demonstrate what polymorphic engines are.

SPE32 allows you to encrypt any data and generate a unique decryption code for this data. The encryption algorithm uses randomly selected instructions and encryption keys.

https://github.com/PELock/Simple-Polymorphic-Engine-SPE32

Sample polymorphic code in x86dbg window:

simple-polymorphic-engine-spe32-poly-engine-x86dbg-debugger-1.png.147e6f24e7235c8a5f4395b1ff2ee790.png

Another polymorphic code mutation, this time with code junks

simple-polymorphic-engine-spe32-poly-engine-x86dbg-debugger-junk-code-2.png.a33a252c7d4d193043fba35237d88325.png

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Loki

Nice little piece of code - I'm sure many will learn from you sharing the source too :)

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