reverse-skills-max: initial public release (restored, redacted, hardened)
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# API Reference: Analyzing Compiled Python Malware
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## Overview
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`scripts/analyst.py` detects frozen-Python packers (PyInstaller, py2exe, cx_Freeze) by their markers,
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locates the PyInstaller CArchive magic cookie, and extracts embedded Python version strings. It
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reads bytes statically and executes nothing.
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## Dependencies
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| Package | Version | Purpose |
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|---------|---------|---------|
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| (stdlib) | — | regex, JSON, file IO |
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## Core functions
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### `detect(path)`
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Returns the detected packer, PyInstaller cookie offset, and Python version strings, plus the
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recommended next step.
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## Markers
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- PyInstaller: `_MEIPASS`, `PYZ-00.pyz`, `pyiboot01_bootstrap`, CArchive cookie `MEI\\014\\013\\012\\013\\016`.
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- py2exe: `PYTHONSCRIPT`.
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- cx_Freeze: `cx_Freeze` strings.
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## Usage
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```bash
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python scripts/analyst.py detect sample.exe
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```
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## Sources
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- PyInstaller archive format (CArchive/PKG, MEI cookie) — https://pyinstaller.org/en/stable/advanced-topics.html
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- Python bytecode / .pyc magic (dis module) — https://docs.python.org/3/library/dis.html
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- pyinstxtractor extraction workflow (public PyInstaller-unpacking tooling)
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