c0derpwner@home:~$

  • Huntress_No_limits

    This challenge presents a sandboxed Linux binary that allows dynamic memory allocation and execution of user-supplied shellcode. A seccomp filter is used to restrict certain syscalls, and Address Space Layout Randomization (ASLR) is enabled. The goal is to read and print the contents of /flag.txt without traditional command execution. The...

  • Web - JS Safe 6.0 - GoogleCTF

    Challenge description: You stumbled upon someone’s “JS Safe” on the web. It’s a simple HTML file that can store secrets in the browser’s localStorage. This means that you won’t be able to extract any secret from it (the secrets are on the computer of the owner), but it looks like...

  • Crypto - Numerology - GoogleCTF

    Crypto The only one i did was Numerology an easy cryptography challenge where it was presented a custom stream cipher inspired by ChaCha20, but with a twist: it uses only a single round of mixing operations. crypto_numerology.py: The cipher implementation ctf_challenge_package.json: JSON dataset of known plaintext/ciphertext pairs, together with the...