Category LBC2

Date/Time/Location:

The competition will be located at Loyola Blakefield High School on March 25th, 2023, from 9:00 am – 3:00pm

• 500 Chestnut Ave, Towson, MD 21204. The Competition will be held in the Knott Hall Four Court Gym. On competition day, there will be signs to direct participants to the location. Remote attendees with receive an email with instructions ahead of time.

What You Need To Bring:

If you are competing there will be a few things that you will need:

• Laptop (Don’t forget a charger)
  • 64-bit x86 Processor.
  • 1.3 GHz or faster core speed.
  • 2 GB RAM minimum/ 4 GB RAM recommended
  • 8 GB minimum available hard disk space for guest operating systems.
  • I’ve Done CTFs before (advanced) category will need to install the Kali toolset, Python 3, Java, C, and .NET 8 SDK
  • Having admin rights on your laptop may be helpful since additional tools could used to solve certain challenges.

Loaner computers will be available for beginner participants if needed.

Challenge Categories:

• Algorithm/Programming
• Cryptology
• Forensics
• Network Analysis
• Reverse Engineering/Binary Exploitation
• Web Exploitation
• Miscellaneous
• Privilege Escalation

Demo Challenge

Challenge Name: Protons

Category: Cryptology

A colleague of mine sent me this nondescript message yesterday claiming it is important that I figure out the element hidden within it. Help me decode this message and find the element.

125 163 145 040 101 144 144 151 164 151 157 156

Answer: LBCTF{Nobelium}

Demo Challenge 2

Challenge Name: Random Resets

Category: Network Analysis

There appears to be some weird network traffic captured in thsi pcap file, see if you can find the flag hidden within.

Hint: “RST packets typically have a len of zero”

Hint 2: The IP addresses of those RST Packets seem odd, don’t they?

Answer: LBCTF{R5Tpk3nc0ding}