UTCTF 2024


CTF Archive.

UTCTF 2024

UT CTF is an introductory CTF for teams that want to build their experience. We will have the standard categories of Web, Forensics, Crypto, RE, and Exploit, as well as some other categories we don't want to reveal just yet. If you have any questions, our contact is at the bottom of each page, but please read the official rules before sending us any emails.

Original Date: Fri, 24 Jan. 2025, 19:00 UTC — Sun, 26 Jan. 2025, 19:00 UTC
Original URL: https://www.isss.io/utctf/
CTFtime Entry: UTCTF 2024
Organizing Team: isss



Challenges

Simple RSA.

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

Author: Jeriah

RSA with three moduli.

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

Author: jocelyn

BLS signature forgery challenge.

Author: Jeriah

Just guess the word in 6 tries. What do you mean it's hard?

Author: oops

Flag hidden in large caesar shifted text.

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

Author: Malfuncti0nal

I wrote an amazing encryption service. It is definitely flawless, so I'll encrypt the flag and give it to you.

Author: jocelyn

A spiritual successor the first.

Author: jocelyn

I listen to this while studying for my exams.

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

Author: Danny

The s in rsa stands for secure.

Author: jocelyn

Web dev skills go brrr

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

Author: Caleb

A reimagined version of our iconic Insanity Check: Redux challenge from UTCTF 2023.

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

Whatever text you obtain for the flag make sure to add underscores and make all characters lowercase

Author: Alex

Help! I'm trying to spy on my lover but they're not typing in any language I'm familiar with!

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

Whatever text you obtain for the flag make sure to remove strange symbols and only keep words that form a sentence

Author: mzone

Can you find where the person you identified in the first challenge lives?

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

Flag format is City,State,Zip. For example, if they live at UT Austin submit utflag{Austin,TX,78712}

Author: mzone

Magical contracts are hard. Occasionally, you sign with the flag instead of your name. It happens.

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

Author: Samintell

I've got some credit cards but I don't which ones are valid. Where did I get them? Uh, that's not important.

Oh, you'll probably need this: dae55498c432545826fb153885bcb06b

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

Author: mzone

Introducing the PES-128 cipher! It's super high throughput and notable nonrequirement of keys makes it a worthy contender for NIST standardization as a secure PRF.

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

Author: Jeriah

So many function calls... but are they that different?

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

Author: malfuncti0nal

I tried to make my own version of cookie clicker, without all of the extra fluff. Can you beat my highscore?

Only open the localhost application on the pwn.college desktop

Author: malfuncti0nal

Tired of getting your corporate mergers blocked by the FTC? Good news! Just give us your corporate information and let our unpaid interns do the work!

Start the app by running "node app.js"

Author: Samintell


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

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