BlueHens 2026
A jeopardy-style CTF organized by the University of Delaware's own CTF team. The event covers topics from crypto and pwn to rev and web. High-school, undergraduate, graduate, mixed, and professional teams are allowed to compete in separate buckets. This competition is also supported by the Electrical and Computer Engineering Department, the Center for Cybersecurity, Assurance and Privacy, UD's Trustworthy Computing Group, the Cloud Crypto VIP Team, and Cyber Scholars at the University of Delaware. We extend our gratitude to our sponsors listed at the event URL.
Web 2
| Challenge | Has |
|---|---|
| bawker | files |
| screengrab | files |
Pwn 1
| Challenge | Has |
|---|---|
| Temporal | files |
Reverse 2
| Challenge | Has |
|---|---|
| A_Logical_Decuction | files |
| Logical | files |
Crypto 3
| Challenge | Has |
|---|---|
| Eggs_Over_Easy | files wu 1 |
| Hell_is_haard | files |
| XORDECRYPT | files wu 1 |
Forensics 7
| Challenge | Has |
|---|---|
| Basics | files |
| Blue_Hens_Telemetry | files |
| Freakquency | files |
| Hens_can_type | files |
| Name_Calling | files |
| awk...wardddd_scissors | files |
| red_circle_ear_ing | files |
Misc 8
| Challenge | Has |
|---|---|
| 2Blue2Hen | files |
| 2d_to_3d | files |
| Blind_Hens | files |
| KeyCraft_1 | files |
| KeyCraft_Sanity_Test | files |
| Lock_and_Key | files |
| Looking_Down | files |
| Storytime | files |
OSINT 4
| Challenge | Has |
|---|---|
| 3_words | files |
| Glasses_1_NOTE | files |
| Glasses_2 | files |
| The_hungry_Catipillar | files |