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You don't always get a text file with source code when you extract Python code from a PyInstaller-produced EXE. I produced the following Python code including shellcode, and generated an EXE with PyInstaller:
Then I extract the Python code:
This time, the extracted shellcode file doesn't contain Python source code:
It's actually compiled Python bytecode. Add the following 8 bytes to the beginning of the file and save it as shellcode.pyc:
Now you can use a Python bytecode decompiler like Easy Python Decompiler:
Here is the recovered source code (shellcode.pyc_dis):
Didier Stevens |
DidierStevens 411 Posts ISC Handler |
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Jul 25th 2016 3 years ago |
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