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  • Travel the Dunes with OCaml

    This post is a write up of the Travel the Dunes with OCaml challenge from the rev category of University of Maryland Capture The Flag 2024. The challenge provides a file, ocaml_executable and states that it is “a flag checker compiled and assembled from OCaml using ocamlopt”. Loading it into...

  • Hand Crafted Artisan Compiled Binary

    This post describes the cmsc430 challenge by aparker, in the rev category of University of Maryland Capture The Flag 2024. The challenge provides a single binary, chal, which the author states “was compiled by an hand-crafted, artisan racket compiler”. Die tells us it was a C/C++ program compiled by GCC....

  • Bankrupting Bezos: Donations CTF Challenges

    This post describes the Donations and Donations (but I fixed it) challenges by tahmid-23 in the web category of University of Maryland Capture The Flag 2024. Donations Starting off with the first challenge, when we visit the provided website we are met with: The message Welcome to donations. Can you...