Setup OpenWRT on Raspberry Pi 3 B+ to avoid data trackers
Posted on Fri 18 September 2020 in security, IT, open source
Thanks to my local ISP for a shitty black-box running their proprietary vomit, but no thanks. I had a spare Raspberry Pi and the urge of having my home internet powered by open source software …
Meltdown - Overview of a security vulnerability (Slides)
Here is the pdf slides of my presentation about Meltdown, the security vulnerability. First are full slides, then real presentation slides (with stops when asking questions/pausing and pondering). Free for re-use, but nice to …
Endless Christmas X-MAS CTF Writeup
Posted on Sat 22 December 2018 in binary reverse, IT, security
This is a writeup for the Endless Christmas challenge, md5 hash 866c92038d6e9fc47db4424f71f6167a (download binary). It appeared in the X-MAS CTF, and it's a Reverse challenge.
Using afl with Radare we can see there are calls …
Brute force a crackme file password with Python
Posted on Tue 13 February 2018 in binary reverse, brute force, python, programming, IT, security
I was to reverse a file for a challenge, MD5 hash 85c9feed0cb0f240a62b1e50d1ab0419.
The challenge was called mio cuggino, purposefully misspelled with two g letters. It asks for three numbers. The challenge led me to a …
The one time pad and the many time pad vulnerability
Posted on Thu 18 January 2018 in cryptography, IT, security
The scope of this article is to present the one time pad cipher method and its biggest vulnerability: the many time pad attack.
The …
Getting started with Binary reverse engineering: an example
Posted on Sat 13 January 2018 in binary reverse, IT, security