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🇺🇸 English

PyCool — Ultimate Python Obfuscator

Developed by Truong Nhat Bao Nam - ktn1703

Overview

PyCool is a next-generation Python obfuscator designed to protect Python source code against:

• static analysis
• reverse engineering
• debugging
• sandbox execution
• MITM interception
• runtime instrumentation

PyCool V4 combines:

• VM-based execution
• multi-layer encryption
• anti-analysis systems
• Unicode chaos obfuscation
• runtime payload unpacking
• high-entropy junk code generation

Inspired by:

• PyHydra
• BensOBF
• PyArmor-style protection
• malware-grade packers

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Features

Dynamic Import Obfuscation

No static imports.

Uses:

__import__(''.join(map(chr,[98,97,115,101,54,52])))

Benefits:

• harder static analysis
• avoids simple signatures
• bypasses grep/YARA rules

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Unicode Variable Chaos

PyCool generates:

• Korean identifiers
• Chinese identifiers
• Fullwidth Unicode
• Invisible Unicode characters

Example:

__PyCoolHydraㅤ龍__

Benefits:

• destroys readability
• breaks regex tooling

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VM-Based Payload Execution

PyCool includes a fake virtual machine executor with:

• stack/register structures
• runtime staged decryption
• dynamic payload loading

Payload only exists at runtime.

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Multi-Layer Encryption Stack

Pipeline:

marshal
→ zlib
→ zlib
→ bz2
→ lzma
→ base85
→ XOR (32-byte)
→ Fisher-Yates shuffle
→ RC4
→ rolling XOR
→ base64

Benefits:

• high entropy
• difficult payload recovery
• difficult automated unpacking

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Anti-Debug Protection

Detects:

• debugpy
• pdb
• PyCharm debugger
• VSCode debugger
• tracing hooks
• suspicious stack depth
• timing manipulation

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Anti-VM / Anti-Sandbox

Detects:

• VMware
• VirtualBox
• QEMU
• Hyper-V
• sandbox environments

Checks:

• CPU count
• RAM size
• VM processes
• DMI vendor strings
• execution timing

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Anti-Hook Protection

Detects:

• requests monkey patching
• httpx hooks
• urllib3 wrappers
• instrumentation layers

Protects against:

• Frida hooks
• MITM interception
• runtime API patching

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Anti-Proxy / Anti-MITM

Detects:

• Burp Suite
• Fiddler
• mitmproxy
• HTTPToolkit
• Charles Proxy

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Hidden Anti-Analysis Layers

All anti-analysis code is:

• encoded
• compressed
• XOR protected
• dynamically executed

Nothing appears directly in plain source.

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Massive Junk & Dead Code Engine

Includes:

• fake crypto logic
• fake matrix operations
• dead loops
• fake lambda chains
• fake classes
• fake execution branches

20+ junk patterns.

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Status

⭐ 10 STARS = PUBLIC SOURCE ⭐

If this repository reaches:

10 GitHub Stars

The full source code of:

• PyCool
• VM executor
• RC4 engine
• junk generator
• anti-analysis system

will be released publicly.

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🇻🇳 Tiếng Việt

PyCool — Ultimate Python Obfuscator

được phát triển bởi Trương Nhật Bảo Nam - ktn1703

Giới thiệu

PyCool là một Python obfuscator thế hệ mới được tạo ra để:

• bảo vệ source code
• chống reverse engineering
• chống AI deobfuscation
• chống debug
• chống sandbox
• chống MITM/proxy
• chống runtime instrumentation

PyCool kết hợp:

• Virtual Machine execution
• multi-layer encryption
• anti-analysis
• Unicode obfuscation
• runtime payload loading
• junk/dead code entropy cao

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Tính năng

Dynamic Import Obfuscation

Không dùng import tĩnh.

Ví dụ:

__import__(''.join(map(chr,[98,97,115,101,54,52])))

Lợi ích:

• khó scan static
• khó detect signature
• khó grep bằng regex

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Unicode Variable Chaos

Sinh:

• tên biến tiếng Hàn
• tiếng Trung
• fullwidth unicode
• invisible unicode

Lợi ích:

• cực khó đọc
• phá regex tooling

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VM-Based Payload Execution

Có hệ thống VM executor giả:

• stack/register
• staged decrypt
• runtime payload loading

Payload thật chỉ tồn tại khi runtime.

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Multi-Layer Encryption

Pipeline:

marshal
→ zlib
→ zlib
→ bz2
→ lzma
→ base85
→ XOR 32-byte
→ shuffle
→ RC4
→ rolling XOR
→ base64

Lợi ích:

• entropy cực cao
• khó unpack
• khó recover payload

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Anti-Debug

Detect:

• debugpy
• pdb
• debugger IDE
• tracing hook
• timing attack

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Anti-VM / Anti-Sandbox

Detect:

• VMware
• VirtualBox
• QEMU
• Hyper-V

Kiểm tra:

• RAM
• CPU
• process VM
• DMI strings
• timing

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Anti-Hook

Detect:

• requests patch
• httpx hook
• urllib wrapper
• runtime instrumentation

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Anti-Proxy / MITM

Detect:

• Burp
• Fiddler
• mitmproxy
• HTTPToolkit

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Junk & Dead Code Engine

Bao gồm:

• fake crypto
• fake matrix
• dead loops
• fake lambda chains
• fake classes
• fake execution path

20+ pattern khác nhau.

Status

⭐ 10 STARS = PUBLIC SOURCE ⭐

Nếu repository đạt:

10 GitHub Stars

Toàn bộ source code:

• PyCool
• VM executor
• RC4 engine
• junk generator
• anti-analysis system

sẽ được public.

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Author

PyCool By Truong Nhat Bao Nam - ktn1703

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