Browse Lessons

Getting Started in CTF: PicoCTF 2017 [09] keyz (SSH)

Learning CTF: PicoCTF 2017 [08] Loooong (Python Strings)

PicoCTF 2017 [07] Getting a Linux VM

How to Play CTF: PicoCTF 2017 [06| Leaf of the Tree

CTF for Beginners: PicoCTF [05] Piazza (IRC & Help)

Beginner's Guide to CTF: PicoCTF [04] | Internet Kitties (Netcat)

Beginner's Guide to CTF: PicoCTF 2017 | Tutorial #3 (RGB Colors)

Introduction to CTF: PicoCTF 2017 | Tutorial #2 (Caesar Cipher)

Getting Started in CTF: PicoCTF 2017 | Tutorial #1 (CTRL+F)

SQL SELECT Tricks & Truncation: Python Web Hacking | Natas: OverTheWire (Level 27)

PHP Object Injection & Serialization: Python Web Hacking | Natas: OverTheWire (Level 26)

LFI to RCE with User-Agent: Python Web Hacking | Natas: OverTheWire (Level 25)

Splitting Video into Frames: FFmpeg (Homemade CTF)

PHP strcmp Abuse: Python Web Hacking | Natas: OverTheWire (Level 24)

Filecarving with Binwalk: Homemade CTF: "A Brisk Stroll"

PHP Type Juggling: Python Web Hacking | Natas: OverTheWire (Level 23)

Disallow Redirects: Python Web Hacking | Natas: OverTheWire (Level 22)

Cross-site Session Hijacking : Python Web Hacking | Natas: OverTheWire (Level 21)

Abusing PHP Session Handlers: Python Web Hacking | Natas: OverTheWire (Level 20)

Python Web Hacking: Random Hex PHPSESSID | Natas: OverTheWire (Level 19)

Google CTF: Beginner Quest: FLOPPY2 (Debugging DOS Programs)

Google CTF: Beginner Quest: MEDIA-DB (SQL Injection)

Google CTF: Beginner Quest: GATEKEEPER (Reverse Engineering)

Bruteforcing PHPSESSID: Python Web Hacking | Natas: OverTheWire (Level 18)

Google CTF: Beginner Quest: FIRMWARE (Mount Filesystem)

Google CTF: Beginner Quest: SECURITY BY OBSCURITY (ZIP Archive Compression)

TIMING ATTACK SQL Injection: Python Web Hacking | Natas: OverTheWire (Level 17)

Google CTF: Beginner Quest: ADMIN UI (Local File Inclusion)

Google CTF: Beginner Quest: OCR IS COOL! (Simple Cryptography)

Google CTF: Beginner Quest: MOAR

Google CTF: Beginner Quest: FLOPPY (File Carving with Binwalk)

Google CTF: Beginner Quest: LETTER (Hacking PDF Files!)

Python Web Hacking: BLIND SQL Injection | Natas: OverTheWire (Level 15)

Python Web Hacking: SQL Injection | Natas: OverTheWire (Level 14)

Python Web Hacking: Blind Grep & RCE | Natas: OverTheWire (Level 16)

C++ TicTacToe Game [4] Random Computer AI Turns

Python Web Hacking: PHP Remote Code Execution File Upload | Natas: OverTheWire (Level 13)

Moving GitHub Repositories to GitLab

Python Web Hacking: File Upload Remote Code Execution | Natas: OverTheWire (Level 12)

Python Web Hacking: PHP XOR | Natas (Level 11)

Python Web Hacking: Remote Code Execution | Natas: OverTheWire (Level 10)

Python Web Hacking: PHP Command Injection | Natas: OverTheWire (Level 9)

Python Web Hacking: PHP Base64 & Hex | Natas: OverTheWire (Level 8)

Python Web Hacking: Local File Inclusion | Natas: OverTheWire (Level 7)

Python Web Hacking: PHP Includes | Natas: OverTheWire (Level 6)

Python Web Hacking: HTTP Headers & Cookies | Natas: OverTheWire (Levels 4-5)

C++ TicTacToe Game [3] Checking for Wins

Python Web Hacking: robots.txt & Directory Indexing | Natas: OverTheWire (Levels 2-3)