$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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7364 challenges · browse all techniques

Challenge CTF Weight Category Has
REV - 400 CSAW 2012 Quals – Reverse files
WEB - 100 CSAW 2012 Quals – Web files
WEB - 200 CSAW 2012 Quals – Web files
WEB - 300 CSAW 2012 Quals – Web files
WEB - 400 CSAW 2012 Quals – Web files
CRYPTO - 100 - 1 CSAW 2011 Quals – Crypto files
CRYPTO - 100 - 2 CSAW 2011 Quals – Crypto files
CRYPTO - 100 - 3 CSAW 2011 Quals – Crypto files
CRYPTO - 100 - 4 CSAW 2011 Quals – Crypto files
CRYPTO - 200 - 5 CSAW 2011 Quals – Crypto files
CRYPTO - 200 - 6 CSAW 2011 Quals – Crypto files
CRYPTO - 200 - 7 CSAW 2011 Quals – Crypto files
CRYPTO - 300 - 10 CSAW 2011 Quals – Crypto files
CRYPTO - 300 - 8 CSAW 2011 Quals – Crypto files
CRYPTO - 300 - 9 CSAW 2011 Quals – Crypto files
Evil Burritos 2 CSAW 2011 Quals – Web files
Linux CSAW 2011 Quals – Reverse files
Love Letter CSAW 2011 Quals – Web files
NET1 CSAW 2011 Quals – Reverse files
Networking 101 CSAW 2011 Quals – Web files
WEB - 200 CSAW 2011 Quals – Web files
WEB - 200 - Hardware CSAW 2011 Quals – Web files
A_wintery_confession_script ATCWinterVibesCommunity 2026 – Reverse files
An_elfs_cake ATCWinterVibesCommunity 2026 – Crypto files
Elfs_Snapshot ATCWinterVibesCommunity 2026 – Forensics files
Frostbite_Shift ATCWinterVibesCommunity 2026 – Crypto files
Frozen_Syslog ATCWinterVibesCommunity 2026 – Crypto files
Frozen_Terminal ATCWinterVibesCommunity 2026 – Reverse files
Ice_Crystal_Hash ATCWinterVibesCommunity 2026 – Crypto files
Iced_Encrypted_Americano_hot_beverage ATCWinterVibesCommunity 2026 – Crypto files
Jingle_Bells ATCWinterVibesCommunity 2026 – Crypto files
Meet_me ATCWinterVibesCommunity 2026 – Crypto files
My_chilly_script ATCWinterVibesCommunity 2026 – Reverse files
Navigating_blizzards ATCWinterVibesCommunity 2026 – Crypto files
Phils_other_getaway ATCWinterVibesCommunity 2026 – OSINT files
Snowflake_Decoded ATCWinterVibesCommunity 2026 – Crypto files
What_did_the_reindeer_say_to_the_elf_Pt._2 ATCWinterVibesCommunity 2026 – Crypto files
Musical_Lyrics BSidesSF 2026 25.00 Crypto files
Private_Binary BSidesSF 2026 25.00 Reverse files
Ran_Somewhere BSidesSF 2026 25.00 Reverse files