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SourceUndefender

Python script to decrypt sourcedefender files.

If you wish to use the online version go to https://sourcedefender.onrender.com

Works on latest version 15.0.14 and some older versions.

Star if you like it :p

For other decryption services join us on our Discord!

Features

Automatic key derivation and decryption

Python bytecode header rebuilder

Custom password and salt handling

Usage

python sourceundefender.py

Preview

slice

How Key Derivation Works

key = hashlib.blake2b(password, digest_size=64).digest()
salt = hashlib.blake2b(presalt, digest_size=16).digest()
aes_key = hashlib.blake2b(key=key, salt=salt, digest_size=32).hexdigest()

That’s literally what they use. Rename the file, and the key breaks, 10/10 security 🥴

For educational reasons only, don't steal code that isn't yours :)