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X-MAS CTF is HTSP's first CTF and its purpose is learning and having fun going through jeopardy style challenges! We welcome both beginners and experienced alike! Hope you will have a great time and we wish you a Merry Christmas! (All of the challenges were written by HTSP members)

CTF events

X-MAS CTF 201824.10
Related tags: web pwn php crypto rop hacking forensics android python xor des rsa c++ reverse engineering programming c engineering java go random exploitation misc pwnable exploit math nothing networking prng bash ios network pentesting guessing linux sql injection miscellaneous blind rev ctf frida lua it overflow pwntools superstitions vulnerability analysis rsa-crypto revesing reversing ropchain cryptography-rsa nc substitution attacks buffer warmup cipher rabin devops cryptanalysis suisse-switzerland reverse drugs audacity rot13 crt gauss tv watching matrix eval anti-debug chinese-remainder polynomial 1day / oeis function modular vector sanity check hexedit nim scraping