2021

Pico

• Pwn: Unsubscriptions Are Free

Crusaders of Rust (COR)

• Crypto: Fibinary
• Pwn: Chainblock

HTB Cyber Santa

• Crypto: Meet Me Halfway
• Crypto: Xmas Spirit
• Pwn: Minimelfistic
• Pwn: Mr. Snowy
• Pwn: Naughty List
• Pwn: Sleigh
• Rev: Infiltration
• Rev: Intercept

K3rn3l

• Crypto: Badseed
• Crypto: Twizzty Buzzinezz

HTB x Synack RedTeamFive

• Misc: Context
• Misc: Hotel
• Pwn: Air Supplies
• Pwn: Injection Shot
• Pwn: Library
• Pwn: Recruitment
• Rev: Knock Knock
• Rev: Split

KillerQueen

• Pwn: A Kind of Magic
• Pwn: Tweety Birb
• Pwn: Zoom2Win

HacktivityCon

• Pwn: Retcheck
• Pwn: The Library
• Pwn: Yabo
• Web: Availability

CSAW

• Pwn: Alien Math
• Pwn: Password Checker
• Rev: Checker

HackyHolidays

• Crypto: Cute Invoice
• Crypto: Mineslazer
• Forensics: Injection Traffic
• Forensics: Power Snacks
• Pwn: Deleted Flag
• Pwn: Engine Control
• Web: Skylark

HTB Cyber Apocalypse

• Crypto: Phasestream
• Misc: Alien Camp
• Misc: Build Yourself In
• Pwn: Controller
• Pwn: System Drop
• Web: Blitzprop
• Web: E-Tree
• Web: Wild Goose Hunt

Angstrom

• Pwn: Sanity Checks
• Pwn: Secure Login
• Pwn: Sticky Stacks
• Pwn: Tranquil
• Rev: Free Flags
• Rev: Jailbreak
• Web: Jar