Writeups CTF Writeups

PlaidCTF 2019

Placed 261 out of 953 | Competed on April 12-14 2019

PlaidCTF 2019

Read Writeups

MitreCTF 2019

Placed 145 out of 577 | Competed on February 22, 2019

MITRE STEM CTF: Cyber Challenge 2019 In support of STEM outreach, MITRE and our partners are hosting the eighth annual national Capture the Flag (CTF) competition. February 22, 2PM ET - February 23, 2PM ET 2019 While this competition is open to professional and government participants as part of cyber training, only eligible high school and college teams will be considered for winning prizes, scholarships and internships. Participation in a MITRE or Industry partner cyber internship program is subject to an interviewing process and based on current business needs.

Read Writeups

CHC Challenges 2019

Placed 0 out of 0 | Competed on 02/01/2019

Writeups for the CHC recruitment challenges for Fall 2018 - Spring 2019

Read Writeups

PlaidCTF 2017

Placed 65 out of 1150 | Competed on April 23, 2017

A yearly CTF hosted by the Plaid Parliament of Pwning at Carnegie Mellon University. This is a DEFCON qualifier.

Read Writeups

0CTF 2017 Quals

Placed 64 out of 908 | Competed on March 17th, 2017

DEFCON 25 qualifier organized by 0ops and Tencent.

Read Writeups

Boston Key Party 2017

Placed 95 out of 948 | Competed on February 24th, 2017

The Boston Key Party is a well-respected competition held annually by the team named BostonKeyParty. This CTF was broken into three categories: Pwn, Crypto, and Cloud. The challenges were significantly more difficult than a majority of the CTFs we've competed in, however, we were still able to finish in the top 100.

Read Writeups

nullcon HackIM

Placed 6 out of 1571 | Competed on February 10th, 2017

nullcon HackIM is an annual competition held by a team of India based developer in conjunction with WalmartLabs. This was the first CTF that the Cornell Hacking Club competed in after the addition of our 2017 recruiting class and landed our highest ever finish by placing well within the top 1%. As a result of finishing in the top 30, we received a free nullcon 2017 conference pass.

Read Writeups

CHC Challenges

Placed 0 out of 0 | Competed on January 15th, 2017

During Winter of 2016 we held our own small CTF in an effort to add more members to our team. By successfully completing one of the challenges, students immediately qualified for an interview. We were very impressed with the amount of participation and the number of successful completions.

Read Writeups


Placed 87 out of 1696 | Competed on August 21th, 2016

IceCTF was an Icelandic CTF which was meant to encourage the involvement of Icelandic citizens in security. Despite this, teams from around the world were able to compete. The challenges fell into three categories of increasing difficulty. We were able to solve all level 1 challenges, as well as a large majority of the level 2 and level 3 challenges ultimately leading us to finish just outside the top 5%.

Read Writeups

Blaze CTF

Placed 24 out of 390 | Competed on April 20th, 2016

Blaze CTF was a capture the flag competition held by HackersWhoBlaze. This CTF had far fewer challenges, but each challenge had a very high degree of difficulty. The challenges ranged from a Firefox Zero Day to reverse engineering a virtual machine that ran a slightly modified Brainfuck interpreter.

Read Writeups

Google CTF

Placed 83 out of 2626 | Competed on April 30th, 2016

Google CTF is an event held by Google annually in which teams from across the world participate my solving complex challenges in the categories of Mobile, Crypto challenges, Networking challenges, Web, Reverse Engineering, Forensics, and Memory Corruption. As a team, we were able to complete a large majority of the challenges and ultimately placed in the top 4%.

Read Writeups