$ ctf42

BlueHens 2023

weight 24.61 CTFtime official repo

A jeopardy-style CTF organized by the University of Delaware's own CTF team, that covers topics from crypto and pwn to rev and web. High-school, undergraduate, graduate, mixed, and professional teams with up to four members are allowed to compete in separate buckets. This competition is supported by the Electrical and Computer Engineering Department, Center for Cybersecurity, Assurance and Privacy, Trustworthy Computing Group, Cloud Crypto VIP Team, and Cyber Scholars at the University of Delaware. We extend our gratitude to our sponsors listed at the event URL.

Pwn 14

Challenge Has
Heap_School_1st_Grade files
Heap_School_2nd_Grade files
Heap_School_3rd_Grade files
Heap_School_4th_Grade files
Heap_School_5th_Grade files
Heap_School_6th_Grade files
Heap_School_HELD_BACK_5th_Grade files
Heap_School_HELD_BACK_6th_Grade files
High_Precision_Shellcode files
Higher_Precision_Shellcode files
Simple_BOF files
Simple_ROP files
arm_pokeball files
shellbad files

Reverse 4

Challenge Has
Blue_Hens files wu 2
Bussin files wu 1
Classic_Checkers files wu 3
ElectroNES files wu 1

Crypto 15

Challenge Has
Appetizers files wu 1
Future_Crypto files
Greatest_Hits_1_of_4 files wu 1
Hide_n_Seek files wu 2
RSA_School_1st_Grade files wu 1
RSA_School_2nd_Grade files wu 1
RSA_School_3rd_Grade files wu 1
RSA_School_4th_Grade files wu 1
RSA_School_5th_Grade files wu 1
RSA_School_6th_Grade files wu 1
RSA_School_7th_Grade files wu 1
RSA_School_8th_Grade files wu 1
Strong_Primes_Are_Safe files
Unencode_The_Flag files
unbreakable files wu 1

Misc 9

Challenge Has
Big_JPG files wu 1
Defective_Client files
Defective_Server files
Forest_For_The_Trees files
Least_Significant_Color files wu 2
Modular_Authenticator files
Modular_Authenticator_2 files
Python_Jail files
Turing_Complete files wu 1

Hardware 1

Challenge Has
Locked_Circuit files