Insomni'hack teaser 2016

Greetings and welcome to our fourth Insomni'hack teaser!

The teaser will start on January 16th at 9am UTC and will last 36 hours.

Categories will be Pwning, Web and Crypto.
There will be no bonus points so the final ranking will be determined based on the time of the last challenge solved, ie first come first served.
Point of contacts in order of preference :

IRC: #insomnihack on freenode
Mail: ctf@insomnihack.ch
Twitter : https://twitter.com/1ns0mn1h4ck

Prizes:

We will cover hotel (2 nights) and conference tickets for Insomni'hack 2016 for the first 3 teams.
The 4th, 5th and 6th teams will receive tickets for the conference.
The conference will take place on the 18th of March 2016 at the Palexpo conference center in Geneva.
The CTF will run during the evening and the night and is free for everyone to participate in.