HSCTF 2021


CTF Archive.

Welcome to HSCTF 8

High School Capture the Flag (HSCTF) is an international online hacking competition designed to educate high schoolers in computer science. Teams of up to 5 students will be challenged to crack codes, reverse engineer, design algorithms, and master the internet.

Original Date: Mon, 14 June 2021, 12:00 UTC — Sat, 19 June 2021, 00:00 UTC
Original URL: https://ctf.hsctf.com/
CTFtime Entry: HSCTF 8
Original Team: HSN CS Club



Challenges

Time to get warmed up!

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: HSN CS Club

Connect with SSH

Link your SSH key, then connect with: ssh hacker@pwn.college

It's time to break through portals and get multidimensional! Can you cross through all 3 (or 4?) dimensions?

Run flagCheck and input the flag you get from the challenge for pwn.college flag

Author: HSN CS Club

Connect with SSH

Link your SSH key, then connect with: ssh hacker@pwn.college

Here's a warmup cryptography challenge. Reverse the script, decrypt the output, submit the flag.

Run flagCheck and input the flag you get from the challenge for pwn.college flag

Editor's Note: You cannot run the python file, but the output is provided in output.txt

Author: AC

Connect with SSH

Link your SSH key, then connect with: ssh hacker@pwn.college

After finding a special key of the Hill, which contains a note to visit the Queen of the Hill, our brave Amanda begins her adventure to find the Queen of the Hill’s treasure. How shall she meet the Queen of the Hill? (a=0)

Cipher text: rtca{vbuhp_kaiq_gfj_nx_rda_ujw}

Encryption key:

16 25 8

14 19 5

15 17 3

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: wooshi

Connect with SSH

Link your SSH key, then connect with: ssh hacker@pwn.college

The plural of calculus is calculi.

Author: AC

Connect with SSH

Link your SSH key, then connect with: ssh hacker@pwn.college

Wait, why isn't it a species of bird this time?

Author: HSN CS Club

Connect with SSH

Link your SSH key, then connect with: ssh hacker@pwn.college

30-Day Scoreboard:

This scoreboard reflects solves for challenges in this module after the module launched in this dojo.

7-Day | 30-Day | All-Time

Rank Hacker Badges Score