Lightweight, fast, single-file CLI toolkit for rapid CTF flag extraction.
If you're grinding CTFs or mastering offensive security, you need a high-performance, portable toolkit that goes from puzzle → flag in seconds. CTF Helper is designed for speed, minimal dependency overhead, and effortless extensibility.
| Category | Functionality |
|---|---|
| Encodings | Base16/32/58/64/85 encode & decode |
| Ciphers | Caesar (shift/brute), ROT13, ROT47 |
| XOR | Single-byte XOR decrypt & automated brute-force |
| Hashing | Hash identification & dictionary attacks (MD5/SHA1/SHA256) |
| Stegano | EXIF metadata extraction & LSB text carving (PNG/BMP) |
| Forensics | String extraction & Magic-byte file identification |
| Utility | Integrated hex viewer for file analysis |
Decode Base64
python3 ctfhelper.py base base64 decode --data "U29tZVRleHQ="
Brute-force Caesar Cipher
python3 ctfhelper.py caesar --text "uryyb" --brute
Brute-force XOR Key
python3 ctfhelper.py xor --file secret.bin --brute
Extract EXIF Metadata
python3 ctfhelper.py steg --exif image.jpg
- Clone the repository:
git clone [https://github.com/PAIN-hub/ctfhelper.git](https://github.com/PAIN-hub/ctfhelper.git)
cd ctfhelper
- Environment Setup:
python3 -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt
- Execution:
python3 ctfhelper.py --help
Pro Tip: Keep a local copy of rockyou.txt for efficient hash cracking via the --wordlist flag.
- PCAP Engine: Automated HTTP object/credential extraction.
- Audio Stego: Frequency analysis and LSB tools for WAV/MP3.
- Web Interface: Cyber-minimalist dashboard (Flask + Tailwind).
- Plugin System: Dynamic loading for third-party modules.
Contributions are welcome. Please ensure new features are modular, well-tested, and follow the existing code style. Open an issue first to discuss your implementation plan.
Distributed under the MIT License. See LICENSE for more information.
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