Cyprus Cyber Security Challenge (CCSC) CTF 2020


CTF Archive

Welcome to Cyprus Cyber Security Challenge CTF 2020

The Cyprus Computer Society in cooperation with information security specialists in Cyprus, from both academia and the industry is preparing the Cyprus national team for ECSC. These mentors setup and run the national challenges, disseminate the activities and train and prepare the cyber talents for the ECSC.

Organiser

The Cyprus Computer Society (CCS) is a professional, scientific and independent, not-for-profit organization, seeking to develop, promote and serve the ICT sector and professionals in recognition of the impact that informatics has on employment, business, society as well as on the quality of life of the citizen.

https://www.ccs.org.cy/

Original Date: 1 March 2020 - 15 March 2020
Original URL: https://ccsc.org.cy/#team
CTFtime Entry: Not Available
Original Team: CCSC CTF 2020


Challenges

The text that includes the flag is transmitted while unfortunately both of its head and tail bits are lost ?

Author: CryptoCTF Team

Mousesack, the mighty druid of Cintra was summoned to cast a powerful spell against Nilfgard troops. Apparently, mathematics and witchraft are more related than you think. A special type of spells called Discrete Logarithmus is sealed by Elliptic Curve mathematics. Solve Help Mousesack to solve this Elliptic Curve seal in order to cast his spell!

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

Author: Roko'sBasilisk

There are many common routes in the Sodden Kingdom that lead to Amell mountains. A lot of encryption keys where intercepted in those routes over time, along with an encrypted ciphertext. Your are tasked to decrypt the message. Apart from the routes maybe these keys have something else in common...?

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

Author: Roko'sBasilisk

Guillaume needs your help go and find out what the issue is...

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

Author: _Roko'sBasilisk_

Circle of Elements is a special location that Witchers can boost their magical spells. Use this binary to cast Witcher spells while you are in the Circle of Elements but beware of the formatting!

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

Author: Roko'sBasilisk


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