ptn1411/skill/binary-identifier

Claude Code and agent skill by ptn1411/skill

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Fingerprint binary executables to identify programming languages, compilers, packers, and obfuscators. Uses signature scanning (PE sections, strings, function names) to determine the technology stack.

Install

npx vskill@latest install ptn1411/skill/binary-identifier

SKILL.md

Binary Identifier Skill

Analyze any executable (.exe, .pyd, .dll) to determine how it was built and protected. Essential for choosing the right reverse engineering strategy.
Language rule: All skill instructions use English.
Final summary presented to the user must be in Vietnamese.

Capabilities

This skill can detect:

  • Languages: Python (Nuitka/PyInstaller), Go, Rust, C#, C++, Java, Delphi.
  • Packers: UPX, VMProtect, Themida, Enigma.
  • Encryption: Indicators of Fernet, AES, or custom XOR layers.

Step 1 — Quick Identification

Run scripts/identify_app.py:

bash
# bash / WSL / Linux / macOS
python scripts/identify_app.py path/to/target.exe
powershell
# Windows PowerShell
python scripts\identify_app.py 'C:\Program Files\MyApp\target.exe'

What it looks for:

  • PE Sections: Names like .vmp0 (VMProtect), UPX0 (UPX), .rdata (Nuitka constants).
  • Strings: Magic constants like Py_Initialize, go.itab., rustc.
  • Imports: DLLs like mscoree.dll (.NET), python3.dll.

Step 2 — Analysis Strategy Selection

Based on the identification results:

ResultStrategy
Python (Nuitka)Use nuitka-decryptor or writerpro-pentest.
Python (PyInstaller)Use pyinstxtractor to recover source.
C# / .NETUse dnSpy for near-perfect source code recovery.
UPXRun upx -d file.exe to unpack.
Go / RustUse specialized IDA/Ghidra plugins for symbol recovery.

Final Report to User (always in Vietnamese)

🔍 Kết quả định danh ứng dụng:
 
  🌐 Ngôn ngữ/Trình biên dịch : <LANGUAGE>
  🛡️ Packer/Bảo mật           : <PACKER_TYPE>
  🔑 Dấu hiệu mã hóa          : <ENCRYPTION_HINTS>
 
▶  Khuyến nghị:
   - <Dựa trên kết quả, hãy sử dụng skill tương ứng hoặc công cụ phù hợp>

Anti-Patterns

❌ Don't✅ Do
Start decrypting without identifying the languageDifferent languages use different encryption libraries
Assume all Python apps use NuitkaPyInstaller is equally common and requires different tools
Skip the identification stepIdentifying a packer like UPX saves hours of reverse engineering

Security

  • Security scanPassed, 100 of 100Pattern checks on the skill's files.
  • Model reviewNot runA model review is scheduled for the next rescan.

See the full security report

Quality evaluation

  • Task evaluationNot runNo evaluation yet. Run one in Skill Studio.

See evaluation results

Source

Popularity

Repository stars
150
Repository forks
90
7-day trend score
25

Stars and forks are for the whole GitHub repository, not this skill alone. Not refreshed yet.

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