Offical URL: https://ractf.co.uk/

An online, open-to-everyone CTF challenge with brand new custom-made challenges, original soundtrack, interface, art and sound effects. The CTF is angled towards the easier level although there are harder challenges included.

CTF events

NameWeight
Really Awesome CTF 202123.49
Really Awesome CTF 202023.49
Related tags: web pwn xss x86 php crypto stego sqli forensics python scripting xor algo rsa algebra c++ reverse engineering metasploit programming c debugging engineering security aes java js go system exploitation misc pwnable re sql ppc steganography math coding nothing networking prng injection penetration bash algorithms windows format-string network collision padding arm64 game linux wireshark social sqlinjection lfi networks mysql pyjail assembly csrf sleeping rev servers cisco nmap kernel crackme footprinting sysadmin jwt homomorphic robots lua webex pwntools - revesing bytecode gdb osint stack_overflow blockchain png reversing mac routing switching cryptography-rsa golang sqlite sleep md5 warmup serialization vulnerability rust crytography ciphers stenography statistics cbc cipher pie coppersmith debian ecc wireless python3 paillier c cryptography padding-oracle reverse virtualization seccomp heap binary string-format buffer-overflow reconnaissance lsb scanning secret-sharing fastbin kernel-module kvm ephemeral ev3-protocol unsafe number_theory gcd wasm ideashare xs-search prototype-pollution custom canary bootleg complex_numbers linear-cryptanalysis integer-overflow musl-1.1.24 solana adsdfg asdfg adsfdfg news dasfdfg sfdfgh adsdf simic adsdfghj sgdfgh sxdcvxv dsfdgfgh sdgfgvbvcb vcvbdf merkle-tree plokijyuh asdfasfdfg asfdfgh adsfdgf adsfdfgfsdgf