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Challenges

Category
Difficulty
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–
Higher weight ≈ harder, more prestigious event.
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515 challenges · browse all techniques

Challenge CTF Weight Category Has
frozen
#signature-forgery#masked-key-recovery#modular-inverse
 Crypto 2021 36.00 Misc files wu 1
hamul
#rsa#factoring-concatenated-primes
 Crypto 2021 36.00 Misc files wu 1
hyper_normal
#modular-linear-scheme#per-column-bruteforce
 Crypto 2021 36.00 Misc files wu 2
keybase
#aes-cbc#partial-key-bruteforce#iv-recovery
 Crypto 2021 36.00 Misc files wu 2
linda
#elgamal-variant#smooth-p-1#pohlig-hellman#discrete-log
 Crypto 2021 36.00 Misc files wu 1
maid
#rabin-cryptosystem#modulus-recovery-gcd#decryption-oracle
 Crypto 2021 36.00 Misc files wu 1
tiny_ecc
#anomalous-curve#smart-attack#smooth-order#pohlig-hellman
 Crypto 2021 36.00 Misc files wu 2
435
#aes
 TMUCTF 2021 – Crypto files wu 3
Baby_Encoder
#encoding#xor
 TMUCTF 2021 – Crypto files wu 1
Common_Factor
#rsa#common-factor
 TMUCTF 2021 – Crypto files wu 2
Security_Code
#format-string
 TMUCTF 2021 – Pwn files wu 1
Signed_Flag
#dsa#signature
 TMUCTF 2021 – Crypto files wu 1
Warmup
#visual-cryptography
 TMUCTF 2021 – Crypto files wu 3
full_protection
#format-string#fortify-bypass#canary-leak#rop
 ASIS 2020 Quals 64.97 Misc files wu 3
invisible
#realloc-zero-size-free#double-free#fastbin
 ASIS 2020 Quals 64.97 Misc files wu 1
refcnt
#use-after-free (uaf)#tcache-poisoning#fsop
 ASIS 2020 Finals 64.97 Misc files wu 1
yet_another_house
#poison-null-byte#tcache-stash-unlink#tcache-poisoning#seccomp-bypass
 ASIS 2020 Finals 64.97 Misc files wu 1
Precise_average
#stack-canary-bypass#libc-leak#one-gadget#stack-pivot
 ASIS 2019 Quals 61.07 Misc files wu 2
Silk_road_I
#input-constraint-cracking#brute-force
 ASIS 2019 Quals 61.07 Misc files wu 2
asvdb
#uninitialized-variable#use-after-free (uaf)#double-free#tcache-poisoning#free-hook-one-gadget
 ASIS 2018 Finals 55.00 Misc files wu 3
inception
#stack-overflow#rop#ret2csu#got-leak
 ASIS 2018 Finals 55.00 Misc files wu 3
Clement ASIS 2024 Quals 66.25 Crypto files wu 1
isWebP.js ASIS 2023 Finals 89.80 Pwn files wu 2
makes_sense ASIS 2023 Quals 89.80 Web files wu 1
Crina ASIS 2021 Finals 89.22 Reverse files wu 2
RAS ASIS 2021 Finals 89.22 Crypto files wu 3
ascii_art_as_a_service ASIS 2021 Quals 89.22 Web files wu 3
beanstalk ASIS 2021 Quals 89.22 Reverse files wu 2
jsss ASIS 2021 Finals 89.22 Web files wu 1
madras ASIS 2021 Quals 89.22 Crypto files wu 2
minimemo ASIS 2021 Quals 89.22 Pwn files wu 1
Are_You_Admin TMUCTF 2021 – Pwn files wu 2
Baby_Pwn TMUCTF 2021 – Pwn files wu 1
Broken_RSA TMUCTF 2021 – Crypto files wu 1
Crack_House TMUCTF 2021 – Reverse files wu 1
Fake_Registration TMUCTF 2021 – Web files wu 1
Fake_Survey TMUCTF 2021 – Pwn files wu 1
Flag_Printer TMUCTF 2021 – Reverse files wu 1
babynote ASIS 2020 Quals 64.97 Misc files wu 1
tthttpd ASIS 2020 Quals 64.97 Misc files wu 1