March 16th - March 30th, 2021
Hosted by Carnegie Melon University and CyLab
These writeups are from Killer Queen which placed 9th in the US High School Leaderboard and 18th in the Global Leaderboard.
Want to play these challenges yourself? Head on over to the picoCTF practice gym website.
| Challenge | Point Value |
|---|---|
| Obedient Cat | 5 |
| Python Wrangling | 10 |
| Wave a flag | 10 |
| Nice netcat... | 15 |
| Static ain't always noise | 20 |
| Tab, Tab, Attack | 20 |
| Magikarp Ground Mission | 30 |
| Challenge | Point Value |
|---|---|
| Stonks | 20 |
| Cache Me Outside | 70 |
| Here's A LIBC | 90 |
| Unsubscriptions Are Free | 100 |
| filtered-shellcode | 160 |
| Kit Engine | 200 |
| Challenge | Point Value |
|---|---|
| information | 10 |
| Matryoshka Doll | 30 |
| tunn3l_v1s10n | 40 |
| Wireshark doo dooo do doo... | 50 |
| MacroHard WeakEdge | 60 |
| Trivial Flag Transfer Protocol | 90 |
| Wireshark twoo twooo two twoo... | 100 |
| Disk, disk, sleuth! | 110 |
| Milkslap | 120 |
| Disk, disk, sleuth! II | 130 |
| Surfing the Waves | 250 |
| Very very very Hidden | 300 |
| Challenge | Point Value |
|---|---|
| GET aHEAD | 20 |
| Cookies | 40 |
| Scavenger Hunt | 50 |
| Some Assembly Required 1 | 70 |
| More Cookies | 90 |
| It is my Birthday | 100 |
| Who are you? | 100 |
| Some Assembly Required 2 | 110 |
| Super Serial | 130 |
| MostCookies | 150 |
| Some Assembly Required 3 | 160 |
| Web Gauntlet 2 | 170 |
| Some Assembly Required 4 | 200 |
| X marks the spot | 250 |
| Web Gauntlet 3 | 300 |
| Bithug | 500 |
| Challenge | Point Value |
|---|---|
| Transformation | 20 |
| keygenme-py | 30 |
| crackme-py | 30 |
| ARMssembly 0 | 40 |
| speeds and feeds | 50 |
| Shop | 50 |
| ARMssembly 1 | 70 |
| ARMssembly 2 | 90 |
| Hurry up! Wait! | 100 |
| gogo | 110 |
| ARMssembly 3 | 130 |
| Let's get dynamic | 150 |
| Easy as GDB | 160 |
| ARMssembly 4 | 170 |
| Powershelly | 180 |
| Rolling My Own | 300 |
| Checkpass | 375 |
| Challenge | Point Value |
|---|---|
| Mod 26 | 10 |
| Mind Your Ps and Qs | 20 |
| Easy Peasy | 40 |
| New Caesar | 60 |
| Mini RSA | 70 |
| Dachshund Attacks | 80 |
| No Padding, No Problem | 90 |
| Pixelated | 100 |
| Play Nice | 110 |
| Double DES | 120 |
| Compress and Attack | 130 |
| Scrambled: RSA | 140 |
| It's Not My Fault 1 | 300 |
| New Vignere | 300 |
| It's Not My Fault 2 | 400 |