NuitDuhack - Matriochka+Invest

We finish rank 8 in Nuit du hack, and we qualified for the finals in Paris - Disneyland ^^/. Here are some quick writeups. Matriochka 1,2,3,4 This was a series of reverse engineering challenges, each binary if solved gives the next one in base64. stage 1 Password in…

BKP2016 Unholy and Ashmont writeup

unholy It was a reverse challenge two files are given main.rb and unholy.so #!/usr/bin/env ruby require_relative 'unholy' include UnHoly python_hi puts ruby_hi puts "Programming Skills: PRIMARILY RUBY AND PYTHON BUT I CAN USE ANY TYPE OF GEM TO CONTROL ANY TYPE OF…