I tried harder | My experience with the OSCP certification

Sometimes, there comes a point in your life where you feel that you’re stuck in a routine, drowning in boredom and useless stress, your career is becoming dull, and you just feel that you’re no longer learning anything new; even worse, you’re no longer working on what you’re good…

[Pwnable.kr] input writeup – Toddler’s bottle

This level is particularly fun, kind of easy, straight forward and really useful in the long run. Very often, to exploit a binary or an executable, you need to provide data or input to it, and there are multiple ways you can do that, depending on how…

[Pwnable.kr] Why random number aren’t really random

We’ve made it so far to the “random” challenge. Granted, the challenges don’t need that much explaining as they are somewhat easy, but I try to dive into some of the details, because I believe, that if you master the little details, and know how…

[Pwnable.kr] passcode writeup – Toddler’s bottle

As the hint states, this level’s goal is to try and hack a passcode based login program. If we view the source code and/or execute the program, we’ll notice that it’s straightforward, it asks you for your name, then enter two passcodes, and then the…

[Pwnable.kr] bof writeup – Toddler’s bottle

You probably guessed what this level is about : we will try to trigger a buffer overflow (bof) in order to smash the stack and overwrite something; a return address, a variable, a pointer or something ! The link of the source code is provided…

Control is an illusion Elliot !

Hello again ! It’s been a while. Well today I wanna write about a small [useful at the time] program i made like, 7 years ago, using Visual Basic 6. I found it while I was looking through my old stuff in an old website….

A study in green

Here I’m back, my first attempt to publish a write up. About two years ago, I participated in a Moroccan CTF competition. And there was a particular mind bending networking level (looks easy though after we’ve solved it). In this post, I would like to…

Hello friend !

Why start a blog ? Well, I’m bored…mainly! But also, because I’d like to share my humble experiences with stuff I broke, stuff I fixed, stuff I made, and stuff I didn’t understand but now I do; hoping to bring an added value to anyone…