Tag:xor

All the articles with the tag "xor".

• Omegapoint CTF 2023 - Rev & Crypto - Operation XMAS

  Posted on:January 1, 2024 |  at 02:55 PM

  Reverse engineering ransomware disguised as a PDF to decrypt encrypted files not knowing the decrypton key.

• Omegapoint CTF 2023 - Crypto & REV - The Polar Express

  Posted on:January 1, 2024 |  at 02:55 PM

  Reverse engineering python 3.10 bytecode from __pycache__ files to extract secret key from public discord bot repository using know plaintext attack.