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Challenges

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3949 challenges · browse all techniques

Challenge CTF Weight Category Has
Last_Standing_Bacaro
#lsb-steganography
 Bhackari 2026 – Misc files wu 1
cake
#vigenere-cipher
 Bhackari 2026 – Misc files wu 1
horses
#js-sandbox-escape
 Bhackari 2026 – Misc files wu 1
Cipher
#passphrase-bruteforce
 KubSTU 2026 24.83 Misc files wu 1
Blunder
#chess-notation-stego
 L3akCTF 2026 34.47 Misc files wu 1
Blinky
#pointer-authentication#speculative-execution#cache-side-channel#mips
 R3CTF 2026 35.95 Misc files wu 1
HEuristic
#ckks#microsoft-seal#approximate-common-divisor#lattice
 R3CTF 2026 35.95 Misc files wu 1
Tsukis_Rhythm_Game
#pyinstaller#aes-cbc#marshal-bytecode#malware-c2
 R3CTF 2026 35.95 Misc files wu 1
mafuyuuuuu
#xoshiro256#prng-state-recovery#dotnet-random
 R3CTF 2026 35.95 Misc files wu 1
r3ticket
#lagrange-interpolation#negative-index#linear-algebra
 R3CTF 2026 35.95 Misc files wu 1
trustedhash
#tpm2#remote-attestation#sealed-object#pcr
 R3CTF 2026 35.95 Misc files wu 1
impossibler_pygolf
#micropython#code-golf#grep-mbedtls-test-vector
 RITSEC 2026 – Misc files wu 1
SekaiID
#android#ipc-abuse#claims-forgery
 SekaiCTF 2026 79.25 Misc files wu 1
Beaconing_from_above
#sdr#signal-analysis#morse
 Starpwn 2026 – Misc files wu 1
Oversized_Downlink
#steganography
 Starpwn 2026 – Misc files wu 1
Silent_Beacon
#ccsds#covert-channel
 Starpwn 2026 – Misc files wu 1
quant
#quantum-computing#grovers-algorithm
 UMDCTF 2026 – Misc files wu 1
Bakerman
#file-signature-spoofing#zsteg
 BrunnerCTF 2025 24.66 Misc files wu 1
OSINT_Exam
#reverse-image-search
 FortID 2025 30.00 Misc files wu 1
GISSNINGSLEK
#bash-injection
 Hack.lu 2025 98.02 Misc files wu 1
Quartet
#multi-volume-zip
 NahamCon 2025 53.77 Misc files wu 1
Screenshot
#hexdump-reconstruction
 NahamCon 2025 53.77 Misc files wu 1
The_Martian
#binwalk-extraction
 NahamCon 2025 53.77 Misc files wu 1
BigMak
#keyboard-layout-mapping
 SunshineCTF 2025 51.65 Misc files wu 1
OK_BOOMER
#t9-multitap-encoding
 SunshineCTF 2025 51.65 Misc files wu 1
Tribble_with_my_Skin
#steganography#png
 SunshineCTF 2025 51.65 Misc files wu 1
verified_toolbox
#cve-2024-38807#jar-signature-forgery
 TPCTF 2025 – Misc files wu 1
ai_clippy
#mcp-exploitation#prompt-injection
 UIUCTF 2025 – Misc files wu 1
nocaml
#ocaml-jail-escape
 UIUCTF 2025 – Misc files wu 1
Odd_One_Out
#qr-code
 UMassCTF 2025 48.38 Misc files wu 1
dont_whisper
#adversarial-audio
 bi0sCTF 2025 95.79 Misc files wu 1
BabyFlow
#stack-buffer-overflow#variable-overwrite
 1337UP 2024 – Misc files wu 2
In_Plain_Sight
#binwalk-embedded-file#strings#encrypted-zip
 1337UP 2024 – Misc files wu 2
Layers
#file-concatenation#binary-to-ascii-decoding
 1337UP 2024 – Misc files wu 1
Quick_Recovery
#qr-code-reconstruction#brute-force-permutation
 1337UP 2024 – Misc files wu 1
Rigged_Slot_Machine_1
#buffer-overflow#stack-variable-overwrite
 1337UP 2024 – Misc files wu 1
This_is_NOT_the_flag
#xor-bruteforce
 BCACTF 2024 – Misc files wu 1
Decompressor
#huffman-coding#compression-reconstruction
 BackdoorCTF 2024 – Misc files wu 1
Honey
#hidden-number-problem#lattice-reduction#lll (lll-lattice-reduction)
 Crypto 2024 65.62 Misc files wu 1
Melek
#shamir-secret-sharing#lagrange-interpolation#non-coprime-exponent#modular-square-root
 Crypto 2024 65.62 Misc files wu 1