$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
Reset

7364 challenges · browse all techniques

Challenge CTF Weight Category Has
Truncated_2
#rsa#crt-exponents#partial-private-key
 TAMUctf 2024 – Crypto files wu 1
conversations
#pcap#exiftool
 TJCTF 2024 – Forensics files wu 1
embedder
#esp32#morse#binary-patching
 TJCTF 2024 – Reverse files wu 1
tetraethyllead
#differential-cryptanalysis
 TJCTF 2024 – Crypto files wu 1
Shopping_Time
#hash-collision
 TU 2024 – Web files wu 1
XOR_Dinary
#xor#single-byte-xor
 TU 2024 – Crypto files wu 1
Astea
#python-jail-escape#ast
 UIUCTF 2024 – Misc files wu 1
Backup_Power
#stack-buffer-overflow
 UIUCTF 2024 – Pwn files wu 1
Chunky_Boi
#osint#image-geolocation
 UIUCTF 2024 – OSINT files wu 1
Determined
#rsa#determinant-oracle
 UIUCTF 2024 – Crypto files src wu 1
Groups
#carmichael-number#discrete-log
 UIUCTF 2024 – Crypto files wu 1
Key_in_a_Haystack
#factorization#small-primes
 UIUCTF 2024 – Crypto files wu 1
Log_Action
#ssrf#cve-2024-34351
 UIUCTF 2024 – Web files wu 3
Lost_Canary
#stack-buffer-overflow#canary-bypass
 UIUCTF 2024 – Reverse files wu 1
Naptime
#lwe#lattice
 UIUCTF 2024 – Crypto files wu 1
Night
#osint#image-geolocation
 UIUCTF 2024 – OSINT files wu 1
Push_and_Pickle
#pickle#opcode-filter-bypass
 UIUCTF 2024 – Misc files wu 1
Pwnymaps
#morton-encoding#bit-manipulation
 UIUCTF 2024 – Reverse files wu 1
Rusty_Pointers
#heap-note#rust
 UIUCTF 2024 – Pwn files wu 1
Snore_Signatures
#schnorr-signature#signature-forgery
 UIUCTF 2024 – Crypto files wu 1
Syscalls
#seccomp#shellcode#orw
 UIUCTF 2024 – Pwn files wu 1
Time_Travel
#5d-brainfuck#esolang
 UIUCTF 2024 – Reverse files wu 1
Without_a_Trace
#linear-algebra#matrix-trace
 UIUCTF 2024 – Crypto files wu 1
X_Marked_the_Spot
#xor#repeating-key
 UIUCTF 2024 – Crypto files wu 2
pwnymalloc
#heap#coalesce-bug#custom-allocator
 UIUCTF 2024 – Pwn files wu 1
pwnypass
#css-injection#browser-extension
 UIUCTF 2024 – Web files wu 1
100_Degrees
#lagrange-interpolation
 UMassCTF 2024 43.10 Misc files wu 2
Agent_P
#keyboard-cipher
 UMassCTF 2024 43.10 Misc files wu 1
Aspartame
#uefi#game-patching
 UMassCTF 2024 43.10 Reverse files wu 1
B4_the_B8
#bb84#mt19937
 UMassCTF 2024 43.10 Crypto files wu 1
Brutal_Mogging
#meet-in-the-middle (mitm)#effective-keyspace
 UMassCTF 2024 43.10 Crypto files wu 1
Crabby_Clicker
#http-pipelining#race-condition
 UMassCTF 2024 43.10 Web files wu 1
Free_Delivery
#android#apk-reversing#jadx
 UMassCTF 2024 43.10 Reverse files wu 1
Fructose
#rop-obfuscation#instruction-overlap#cfg-recovery
 UMassCTF 2024 43.10 Reverse files wu 1
Magic_Conch
#dynamic-analysis
 UMassCTF 2024 43.10 Reverse files wu 1
Magic_The_Ungathering
#image-analysis
 UMassCTF 2024 43.10 Misc files wu 1
Maltodextrin
#ia-64#xor
 UMassCTF 2024 43.10 Reverse files wu 1
Primitive_Reversing
#turing-machine
 UMassCTF 2024 43.10 Reverse files wu 2
Reader_Exercise
#polynomial-factorization#finite-field
 UMassCTF 2024 43.10 Crypto files wu 1
Shuffling_as_a_Service
#bit-permutation
 UMassCTF 2024 43.10 Crypto files wu 1