Blog: Hilltop CTF

Read about our public capture the flag event, at the end of May 2020.

By JOSHUA BEAMAN (CEO) and ELLIOT JERGE (Events Administrator)

A huge thank you to everyone that took part in our public capture the flag event, HilltopCTF! From the Content Engineers to the Players, we’re glad you could participate, and hope you learned something new throughout the two weeks.

Now that everything has wrapped up, we’ve had a lot of players ask us for write-ups so that they can learn from where they went wrong.

Below we have compiled a list of our Content Engineers and their challenge writeups.

Don’t forget to purchase a HilltopCTF vinyl laptop sticker, with 100% of sales going to charity! Purchase Now

Elliot Jerge (@invirtutedei)
Writeup available at

22-Year old IT enthusiast , who loves all things computers and cyber-security. Currently works as an Cyber Security Administrator for a small company, enjoys horror (books.movies,games), video games and is always learning.

Challenges Created:

  • Great Tragedy
  • Something Smells Phishy
  • Deep Dark Forest
  • Easter Egg Hunt

Chris Yoo (@PenTest-duck)
Writeup available at

14 year old high school student and an aspiring penetration tester. Currently learning and absorbing as many things as possible to achieve that goal. 

Challenges Created:

  • Broken DES
  • Galois Galore!
  • URL Tsunami
  • Ash
  • Shady

Carlos Nava (M1ndCh41N)
Writeup available at

Experienced OSINT intelligence analyst and (geo)data scientist turned DFIR nerd. Dropped C/C++ for Python. Old-fashioned with a pinch of contemporary trends. C0ffee addict.

Challenges Created:

  • Bitcoin Scam
  • Data Exfiltration
  • Datasheet
  • hilltop_0x01
  • ran$om message

Writeup available at

Web Developer who gained interest in Cyber Security after his server got 0wn3d by EternalBlue… sad right? I love learning about every subject in the hacking/security industry but my knowledge is focused on the web.

Challenges Created:

  • Warmup
  • Warmup2
  • P2SEC Series
  • Web, Misc and Malware Analysis

Michelle Goossens (MasterWayZ)
Writeup available at

18 year old IT-nerd, new to cybersecurity, big fan of virtualization and homelabs. Self-learning student.

Challenges Created:

  • Fuzz
  • Fuzzy
  • Injection
  • Backstab
  • Johnny
  • Julius
  • OhSINT
  • 85AndAlive

Nico “Socks” Smith
Writeup available at

Challenges Created:

  • Wrong Number
  • Only Time Will Tell
  • Bases Loaded
  • BRUTUS this aint Cesar
  • The Encryptionist
  • The 8-Bit Engagement

Jenn Ferreras (@JenF3rr_)
Writeup available at

Cyber and IT dual masters student. Chemistry background with management experience. Flamingos, Harry Potter, Coffee, and Books make the world a better place. #ShareTheKnowledge

Challenge Created:

  • Mr. Pink

Mitch Rumler
Writeup available at

Challenge Created:

  • Undercover

Zubair Ghouse
Writeup available at

Cyber Security Enthusiast | SecOps Analyst | Blue Team | Researcher. “Think bad, do good”.

Challenges Created:

  • Jorji Costava
  • XXXX
  • What a Mess!
  • The Intercept

Cristian Rios
Writeup available at

Security Blue Team Content Editor and Training Assistant.

Challenges Created:

  • Day of the Tentacle

Writeup available at

A cyber security student currently finishing his final year at Bina Nusantara University, Jakarta. Having a solid background in penetration testing and systems security, passionate in studying Android and Web Development. Currently responsible as Subject Development Officer at Software Laboratory Center, Bine Nusantara University.

Challenges Created:

  • Memoir
  • Tornado
  • StockMarked
  • WhatIsTheDeadlyBugHere
  • Heist to the Port

Security Blue Team is dedicated to providing affordable, practical, and high-quality defensive cybersecurity training, certifications, and community events.