Invaders must die

Play hide and seek, this challenge comes from Hashdays 2012

Useful or Useless that is the question...

Admin is really dumb...

Ping service v1

Internet is so big

An intermediate level to familiarize yourself with stack overflows

Or how to write what you want where you want in the stack

first step to 64 bits

... or how to read through the stack

An intermediate level to familiarize yourself with stack overflows

Bof bof...

Can you bypass the algorithm ?

It doesn't like code modifications

Compiled with GCC32 4.3.4 on linux gentoo

RTFM

std::string

First challenge of cracking, written in C with vi and compiled with GCC32

Simple Script

Privilege escalation

Try to find your path padawan !

Frame reconstitution

Packet capture analysis

Network service

It's not always a hash.

Packet capture analysis

Frame analysis

Packet capture analysis

Packet capture analysis