Alpaca CTF 2026: super-short-python-golf
Escape a 6-char Python eval jail by calling help() to enter pydoc's interactive REPL, then importing jail.py as a module to leak ALPACA_FLAG from the DATA section
Alpaca CTF 2026: Vending Machine
Exploit Python's list.pop(-1) silent fallback: drain an item's stock so find() returns -1, then pop(-1) retrieves the flag character appended at the end of the stock string
2024 Cyber Apocalypse: Stop Drop and Roll
Script game responses to survive The Fray video game challenge
2024 Cyber Apocalypse: Unbreakable
Bypass blacklist filters in Python eval() to read the flag
2024 Cyber Apocalypse: Character
Automate character-by-character flag extraction from server using socket programming
2024 Cyber Apocalypse: Cubicle Riddle
Construct Python bytecode to find min/max values and answer the cube's riddle
2023 Cyber Apocalypse: Hijack
Exploit Python deserialization vulnerabilities in YAML and Pickle
2023 Cyber Apocalypse: Janken
Win 100 rounds of Janken by exploiting logic in string matching
2023 Cyber Apocalypse: Nehebkaus Trap
Exploit Python exec() filter bypass using character encoding
2023 Cyber Apocalypse: Persistence
Automate repeated HTTP requests to extract flag from endpoint
2023 Cyber Apocalypse: Remote Computation
Automate mathematical expression evaluation over TCP socket
2023 Cyber Apocalypse: Restricted
Escape restricted SSH environment using bash profile bypass
2023 Cyber Apocalypse: The Chasm Crossing Conundrum
Solve bridge crossing puzzle using optimal algorithm