This private repository stores all the CTF challenges that have been used in previous BYU Capture the Flag competitions. They are sorted by category, and include the description, files, and a writeup (with the flag).
- Source Port (Winter 2022) - easy
- If two witches would watch two watches, which witch would watch which watch (Winter 2022) - easy
- More pain (Winter 2022) - medium
- qrsh (Winter 2022) - medium
- Simple (Fall 2021) - very easy
- Dit Dah (Fall 2021) - very easy
- Truth and Falsehood (Winter 2022) - easy
- Hamilton (Fall 2022) - easy
- Dino Friend (Fall 2022) - easy
- Vigenere 1 (Fall 2022) - easy
- Call Me Maybe (Winter 2023) - easy
- For Sparta (Winter 2023) - easy
- Invisible (Fall 2021) - medium
- Woodchuck (Fall 2021) - medium
- Forgotten (Fall 2021) - medium
- A-A-Ron (Winter 2022) - medium
- Shouty 2 (Winter 2022) - medium
- One Time Pad (Winter 2022) - medium
- RSeAsy (Winter 2022) - medium
- K3ndr1ck L3m@r (Winter 2022) - medium
- Bangers (Fall 2022) - medium
- A Fine Cipher (Fall 2022) - medium
- Sore Dino (Fall 2022) - medium
- Vigenere 2 (Fall 2022) - medium
- Agent Carter (Winter 2023) - medium
- smashbangcrashboom (Winter 2023) - medium
- Wiki Game (Fall 2021) - hard
- Too Many Times (Winter 2022) - hard
- The Most Worthy Distinction of Pain (Winter 2022) - hard
- Dorian Hawkmoon (Winter 2022) - hard
- Dino Cipher (Fall 2022) - hard
- Paper (Fall 2022) - hard
- b-z then 10 (Winter 2023) - hard
- Incorrect (Fall 2021) - easy
- Details (Fall 2021) - easy
- Samus (Fall 2021) - easy
- Pixecutable (Winter 2022) - easy
- Janes Message (Fall 2022) - easy
- Swimming Secret (Fall 2022) - easy
- Sneaky (Fall 2022) - easy
- Charlie the Fish (Winter 2023) - easy
- Charlie the Fish 2 (Winter 2023) - easy
- thetoymaker (Winter 2023) - easy
- Wyatt P Memorial Watertower the Sequel
- Cyber Risk (Fall 2021) - medium
- Cyber Risk 2 (Fall 2021) - medium
- steggiboi (Fall 2022) - medium
- Bames Jond has Stronk (Winter 2023) - medium
- Blue 3 (Winter 2022) - hard
- Retro 1 (Fall 2021) - easy
- Retro 2 (Fall 2021) - easy
- Retro 3 (Fall 2021) - medium
- Retro 4 (Fall 2021) - medium
- Retro 5 (Fall 2021) - hard
- Retro 6 (Fall 2021) - hard
- Liam's Idea (Winter 2022) - easy
- Shiny (Winter 2022) - easy
- Access (Winter 2022) - medium
- Leak Final (Fall 2022) - medium
- 緑 (Winter 2022) - hard
- .bash_history (Fall 2021) - hard
- Wordpress (Fall 2021) - hard
- Routing (Fall 2021) - hard
- zip (Fall 2022) - hard
- PNG (Fall 2022) - hard
- Kyuukon (Fall 2022) - hard
- Challenge 1 (Winter 2023) - easy
- Challenge 2 (Winter 2023) - easy
- Challenge 3 (Winter 2023) - easy
- Challenge 4 (Winter 2023) - medium
- Challenge 5 (Winter 2023) - medium
- Challenge 6 (Winter 2023) - hard
- Austenland (Fall 2021) - medium
- Qool Raster (Winter 2022) - medium
- Uncle Iroh (Fall 2022) - medium
- Grayscale (Fall 2020, Winter 2021) - hard
- dinOS (Fall 2022) - hard
- Paleontology (Fall 2022) - extreme
- Knots (Fall 2022) - extreme
- Predictodactyl (Fall 2022) - easy
- Python Jail 1 (Fall 2021) - medium
- Python Jail 2 (Fall 2021) - medium
- Python Jail (Fall 2022) (Fall 2022) - medium
- Python Jail 3 (Fall 2021) - hard
- Python Jail 4 (Fall 2021) - hard
- Because Your Urlisvalid (Fall 2021) - easy
- Certified Legitness (Fall 2021) - easy
- Powershell 2 (Fall 2021) - easy
- Composer (Fall 2021) - easy
- ASCII Art (Winter 2022) - easy
- Jukebox (Winter 2022) - easy
- Wordle (Winter 2022) - easy
- Copilot (Winter 2022) - easy
- Probably (Winter 2022) - easy
- Super CTF Land (Fall 2022) - easy
- Roblox (Fall 2022) - easy
- CLI (Fall 2021) - medium
- Composer 2 (Fall 2021) - medium
- Powershell 1 (Fall 2021) - medium
- Powershell 3 (Fall 2021) - medium
- ASCII Art 2 (Winter 2022) - medium
- Chad "The Jaw" Bronson (Winter 2022) - medium
- Clavier (Winter 2022) - medium
- Roblox2 (Fall 2022) - medium
- Dino Language (Fall 2022) - medium
- Not cosmo (Fall 2022) - medium
- Adversarial ML (Fall 2022) - medium
- Strong Passwords (Fall 2022) - medium
- Programming Challenges (Fall 2022) - medium
- Secure Password Manager (Fall 2022) - medium
- RawrXD (Fall 2022) - medium
- Sluethr (Winter 2023) - medium
- Oh, Babylon (Winter 2022) - hard
- Release the Crakin (Winter 2022) - hard
- Super CTF Land 2 (Fall 2022) - hard
- Buzz Off (Fall 2022) - hard
- Powershell 4 (Fall 2021) - extreme
- Links (Winter 2021, Summer 2021) - easy
- Cyber Warriors 1 (Fall 2021) - easy
- Inside the Cyber Warrior #2 (Fall 2021) - easy
- the man in the golden jacket (Winter 2023) - easy
- CSA Conference (Winter 2023) - easy
- I love to see the temple (Winter 2023) - easy
- Cert (Summer 2021) - medium
- Domain (Summer 2021) - medium
- Were U At (Summer 2021) - medium
- Y Not (Fall 2021) - medium
- Okta? More like Okna (Winter 2022) - Medium
- Monuments and Memes (Winter 2023) - medium
- The OG MITM. (Winter 2023) - medium
- Googlefu Crossword (Winter 2021) - hard
- Everything is an OSINT problem if you try hard enough (Fall 2021) - hard
- Magnum Opus (Winter 2022) - Insane
- Dang BYU Parking (Fall 2021) - easy
- Natty (Winter 2022) - easy
- NonSecurityClearance (Winter 2022) - easy
- Killer view eh (Fall 2021) - medium
- Abiteboul's Digits (Winter 2022) - Medium
- Ode to Ye Olde Cougar Net (Fall 2021) - hard
- Oh the roads you'll go (Fall 2021) - hard
- In which you meet Johnny (Fall 2021) - easy
- In which Johnny shares his feelings (Fall 2021) - medium
- In which Johnny gets creative (Fall 2021) - easy
- In which Johnny gets speed (Fall 2021) - hard
- In which Johnny meets Physics (Fall 2021) - hard
- Buckeye Billy Birthday (Winter 2022) - Medium
- Buckeye Billy Baggage (Winter 2022) - Hard/Insane
- BYU OSINT Challenge #1 (Fall 2022) - medium
- BYU OSINT Challenge #2 (Fall 2022) - medium
- BYU OSINT Challenge #3 (Fall 2022) - easy
- BYU OSINT Challenge #4 (Fall 2022) - easy
- BYU OSINT Challenge #5 (Fall 2022) - hard
- BYU OSINT Challenge #6 (Fall 2022) - medium
- BYU OSINT Challenge #7 (Fall 2022) - medium
- MD5 (Fall 2021) - easy
- SHA512 (Fall 2021) - easy
- NTLM (Fall 2021) - easy
- Guessy (Fall 2021) - medium
- Shadows (Fall 2021) - medium
- WinRawr (Fall 2022) - medium
- Yes (Fall 2022) - medium
- Fruits (Fall 2021) - hard
- Wordlist (Fall 2021) - hard
- Winword (Fall 2021) - hard
- Personal (Fall 2021) - hard
- Automation (Winter 2021) - hard
- Evolution (Fall 2022) - hard
- Plain (Winter 2022) - medium
- Awkward (Winter 2022) - hard
- Disaster (Winter 2022) - extreme
- mi6configuration 1 (Winter 2023) - medium
- mi6configuration 2 (Winter 2023) - medium
- mi6configuration 3 (Winter 2023) - medium
- Library (Fall 2022) - easy
- Offset (Fall 2022) - easy
- env (Fall 2022) - easy
- Start (Fall 2022) - easy
- Overflow (Fall 2022) - medium
- Ret2win (Fall 2022) - medium
- Pwntools (Fall 2022) - medium
- Redirection (Fall 2022) - hard
- Pie (Fall 2022) - hard
- Stone moon (Winter 2022) - medium
- C-Spring (Winter 2022) - medium
- e (Fall 2022) - hard
- Binary (Fall 2021) - easy
- Arr (Fall 2021) - medium
- Symbolless (Fall 2022) - medium
- XOR (Fall 2021) - hard
- Vorobouros (Fall 2022) - hard
- Python intro (Winter 2022) - very easy
- Fun Fact (Winter 2022) - medium
- Python VM (Fall 2022) - medium
- Bad (Fall 2021) - hard
- Don't Get Phished (Fall 2022) - easy
- Windows XP (Winter 2022) - medium
- Uglified (Fall 2022) - medium
- Web Bad (Fall 2021) - hard
- Sig 1 (Summer 2021, Fall 2021) - hard
- Sig 2 (Summer 2021, Fall 2021) - hard
- Sig 3 (Summer 2021, Fall 2021) - hard
- Sig 4 (Summer 2021, Fall 2021) - extreme
- Program (Fall 2021) - easy
- Name (Fall 2021) - easy
- MITRE Challenge 1 (Fall 2022) - easy
- MITRE Challenge 2 (Fall 2022) - easy
- Linked domain (Fall 2021) - medium
- MITRE Challenge 3 (Fall 2022) - medium
- Crossy (Winter 2023) - medium
- Country (Fall 2021) - hard
- MITRE Challenge 4 (Fall 2022) - hard
- On The Job 1 (Winter 2023) - easy
- On The Job 2 (Winter 2023) - easy
- On The Job 3 (Winter 2023) - easy
- On The Job 4 (Winter 2023) - medium
- On The Job 5 (Winter 2023) - medium
- On The Job 6 (Winter 2023) - medium
- Trivia 1 - Dr. Lunt (Winter 2022) - easy
- Trivia 2 - Backpack (Winter 2022) - easy
- Trivia 3 - Fives (Winter 2022) - medium
- Trivia 4 - CTF Group Plug (Winter 2022) - easy
- Trivia 5 - Ancient Secrets (Winter 2022) - medium
- Trivia 6 - Lesser Known Giant (Winter 2022) - medium
- Trivia 7 - 543 Bitcoins worth (Winter 2022) - easy
- Trivia 8 - Shields up! Present-day Captain America (Winter 2022) - easy
- Unredact Word (Winter 2022) - easy
- Unredact PDF (Winter 2022) - easy
- Obfuscationnn (Winter 2022) - easy
- GIMP (Winter 2022) - medium
- Pixels (Winter 2022) - medium
- Reconstruct (Winter 2022) - hard
- Error (Fall 2021) - very easy
- Source (Fall 2021) - very easy
- Client-side (Fall 2021) - easy
- Please Avoid (Fall 2021) - easy
- Spoof (Winter 2022) - easy
- Hidden (Winter 2022) - easy
- Website Shenanigans (Winter 2022) - easy
- IOT (Fall 2022) - easy
- Journey (Fall 2022) - easy
- Ice Cream Store (Fall 2022) - easy
- Squirrel Injection (Fall 2022) - easy
- IMF Flag Portal (Winter 2023) - easy
- KGB (Winter 2023) - easy
- AlexRider (Winter 2023) - easy
- shakennotstirred (Winter 2023) - easy
- Whereisthestolenmoonrakershuttle (Winter 2023) - easy
- Web-Inator (Winter 2023) - easy
- Brid (Fall 2021) - medium
- Fragment (Winter 2022) - medium
- Fetaverse (Winter 2022) - medium
- Black (Winter 2022) - medium
- Command (Fall 2022) - medium
- the-red-room - medium
- Grafana (Winter 2022) - hard
- Social Media (Winter 2022) - hard
- good ol days (Fall 2022) - hard
- Social Media 2 (Winter 2022) - extreme