Browse Lessons

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

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)

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

Python Web Hacking: View Source | Natas: OverTheWire (Levels 0-1)

C++ TicTacToe Game [1] Programming The Grid

Linux Hacking: Brute-Force Loop | Leviathan: OverTheWire (Levels 5-6) FINALE

Linux Hacking: Binary & Hex | Leviathan: OverTheWire (Levels 3-4)

Linux Hacking: Symbolic Links | Leviathan: OverTheWire (Level 2)

Linux Hacking: strings & ltrace: Leviathan: OverTheWire (Levels 0-1)

Linux Hacking: CTF Jail Escaping (More) | Bandit: OverTheWire (Level 25) FINALE

Linux Hacking: Bruteforce For Loop | Bandit: OverTheWire (Level 24)

Linux Hacking: Shebang & Scripting | Bandit: OverTheWire (Level 23)

Linux Hacking: SETUID Binary, Netcat & Cron | Bandit: OverTheWire (Levels 19-22)

Linux Hacking: SSL, NMap Portscans & Diff | Bandit: OverTheWire (Levels 15-18)

Linux Hacking: ROT13, Hexdump, SSH Private Keys | Bandit: OverTheWire (Levels 11-14)

Unicode ZERO WIDTH Spaces to HIDE SECRET MESSAGES (MITRE CTF)

Linux Hacking: GREP & Base64 | Bandit: OverTheWire (Levels 7-10)

Linux Hacking: Hidden Files & File Ownership | Bandit: OverTheWire (Levels 4-6)

Linux Hacking: SSHPass & File Spaces | Bandit: OverTheWire (Levels 1-3)

Linux Offsec Club 5/5 - Video Walkthrough (Levels 13-15)

Linux Offsec Club 4/5 - Video Walkthrough (Levels 10-12)

Linux Offsec Club 3/5 - Video Walkthrough (Levels 7-9)

Linux Offsec Club 2/5 - Video Walkthrough (Levels 4-6)

Linux Offsec Club 1/5 - Video Walkthrough (Levels 1-3)

Python "netcat" Server CTF Challenge - ABYSS

PowerShell on LINUX! Installation Video

BASH ALIAS CTF Challenge built w/ Docker

HackCon CTF 2017 "Bacche" Challenges

HackCon CTF 2017 TRIVIA and BONUS Challenges

Juniors CTF 2016 :: Oh SSH!

Juniors CTF 2016 :: Restriced Area

Juniors CTF 2016 :: Stop Thief!

Juniors CTF 2016 :: ROFL

Juniors CTF 2016 :: The Good, The Bad and The Junkman

Juniors CTF 2016 :: Voting!!!

Juniors CTF 2016 :: Hackers Blog

Juniors CTF 2016 :: Dirty Repo

Juniors CTF 2016 :: Clone Attack

Juniors CTF 2016 :: Southern Cross

Juniors CTF 2016 :: Here Goes!

Juniors CTF 2016 :: Lost Code