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cr3ctf-2024-dev

  • Flag format: cr3{.*}
    • cr3{test_flag}
  • Event duration: 36hrs

This repository contains the source code for all the challenges, besides the scripts that were used for deploying and some other infrastructure-related things.

Challenges

Cryptography

Name Author Wave
getting-closer-damn r4sti 1
maskRSA Onirique 1
guessing kibastian, es3n1n 1
guessing-revenge kibastian, es3n1n 2
pudge kibastian 2
LCGo merabier 1
dummy-aes Onirique 2
embedding Onirique, Duha 1

Misc

Name Author Wave
sanitycheck 1
spurdo-ai es3n1n 2
wrong-flutter cpp.dog 2
web-crypto cpp.dog 1
picklestar j3seer, es3n1n 1
[blockchain] cr3proxy CarpeDiem 1
[blockchain] cr3dao CarpeDiem 1
[blockchain] cr3dao-revenge CarpeDiem 2

Forensics

Name Author Wave
donut dxq 2
kennel 0xfedcafe 1
behind-the-text dxq, Cherry 1

Professional Programming and Coding

Name Author Wave
spurdanity-check ATSTNG, es3n1n, cpp.dog 1
spurdo-railways ATSTNG, es3n1n, cpp.dog 1
spurdo-treasures ATSTNG, es3n1n, cpp.dog 1
spurdo-llc ATSTNG, es3n1n, cpp.dog 1
spurdo-leveling ATSTNG, es3n1n, cpp.dog 1

Binary exploitation

Name Author Wave
memo-service Lio 1
number-warehouse Lio 2
echo-chamber Lio 2
randomness cocay 1
randomness-revenge brwook, cocay 1
packet-maker brwook 1
mov-cr3 brwook 1

Reverse engineering

Name Author Wave
messed-calc es3n1n 2
warmup es3n1n 1
15min-adventure es3n1n 2
mbaboy es3n1n 1
7elevm es3n1n 1
decrypt-me es3n1n 1
wonderful es3n1n 2

Web

Name Author Wave
secretclub es3n1n, anger 2
babylogin j3seer 1
pp-size cpp.dog 2
shippering es3n1n 1
jscripting dxq, Cherry 1
jscripting-revenge dxq, Cherry 1
spurdo-ebinling es3n1n, cpp.dog 1

Waves

First

  • +0h

Second

  • +18h