Vozec (VoZ3c) · GitHub
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Achievements

Achievement: Pull SharkAchievement: Pair ExtraordinaireAchievement: YOLOAchievement: Starstruckx2Achievement: Quickdraw

Achievements

Achievement: Pull SharkAchievement: Pair ExtraordinaireAchievement: YOLOAchievement: Starstruckx2Achievement: Quickdraw

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Vozec/README.md

Vozec

Cybersecurity researcher · bug bounty · offensive research · pentest

Blog X LinkedIn Root-Me

whoami

I'm Arthur (a.k.a. Vozec), a cybersecurity researcher based in France.

My day-to-day is mostly:

  • 🐛 Bug bounty on public and private programs.
  • 🔬 Offensive research on real-world software. Recent published work: Jalios CMS research and SPIP pre-auth RCE.
  • 🛡️ Pentesting (external, internal, web).
  • 🚩 CTFs as a hobby: FCSC, leHACK, insomni'hack. I write up the interesting ones on vozec.fr/writeups.

I also publish articles on vozec.fr, ranging from broad cybersecurity topics to deeper dives in cryptography (RSA, AES, lattices, ECC).

🛠️ Open-source tools

🔒 Cryptography

Tool What it does
Feal-ALL Python implementation of the three FEAL versions
AES-DFA Differential fault analysis on AES-128
AES-Square-Attack Square attack on AES-128
AES-Flipper AES-CBC bit-flipping attack
AES-ECB-Padding-attack ECB padding-oracle attack
AES-CBC-Padding-attack CBC padding-oracle attack
RSA-Padding-Oracle Bleichenbacher's attack on RSA PKCS1.5
AES-Sage-128 Classic AES-128 on top of Rijndael-GF (SageMath)
Cryptolib Personal cryptography library
DLP-Solver Multiple algorithms for the discrete-log problem
Facto4CTF RSA factoring with several methods
Vigenere-Plaintext-Attack Vigenère breaker with known plaintext

🔨 Reverse engineering

Tool What it does
BrainDbg Brainfuck debugger in Python
RevBrain Automated crack resolution for CTF
HSPAL-Decompiler Decompiler for the HSPAL esolang

🚩 CTF tooling & misc

Tool What it does
CTFileScan-WEB Web app gathering common file-analysis methods for CTF
CTFilesScan Local CLI version of the above
Discord-CTFD-Parser Auto-creates Discord rooms from a CTFD platform
Discord-Multi-Account-Detector Reliability score for Discord accounts
CTFd-Tracker Cheating detection on CTFD-based events
Ctfd-Account-Creator Quick team registration on CTFD

📡 Stack

Python SageMath JavaScript Linux Docker Burp Suite Caido

Pinned Loading

  1. Discord-CTFD-Parser Discord-CTFD-Parser Public

    This tools is used to create automatically discord threads by scraping ctfd plateform and collecting name , category , description and points of challenges.

    Python 12 1

  2. AES-Square-Attack AES-Square-Attack Public

    This tool is the implementation of the Square-Attack on an AES-128

    Python 10

  3. AES-DFA AES-DFA Public

    This tool automates and facilitates an Differential fault analysis attack on AES 128 with a fault injected between the 2 last MixColumns

    Python 15 4

  4. Cryptolib Cryptolib Public

    This python library gathers all the cryptographic attacks that I present on my site vozec.fr

    Python 3

  5. CTFlagger CTFlagger Public

    This website is used to automatically scan files during CTF.

    Python 14 1