NaNkeen

X-Mas CTF 2019 Write-up 1 - snt_dcr_shp, function_plotter, and weather Wed - Dec 25, 2019

The X-Mas CTF hosted by HTsP, ran from 13 Dec 2019 till 20 Dec 2019. It had some fun pwn challenges, including kernel pwn.

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Manage a cloud VM lab for hacking with QEMU/KVM and Libvirt Fri - May 31, 2019 A tutorial on setting up a cloud server with QEMU/KVM and Libvirt ... ➦

Create a cloud VM lab for hacking with VirtualBox Tue - May 28, 2019 A tutorial on setting up a cloud server with headless VirtualBox ... ➦

OWASP Android Crackme Level 1 Wed - Sep 12, 2018 Reverse engineering Android apps: Cracking OWASP Android crack me with patching and static analysis ... ➦

Is This Loss? Part 2: An object recognition model Sun - Jun 17, 2018 Using TensorFlow models in a chatbot to detect objects ... ➦

Is This Loss? Part 1: Building a Discord Chatbot Fri - Jun 15, 2018 Weekend project building a chatbot that recognizes loss memes ... ➦

Protostar Write Up Part 2 - format0-4: Overwriting the GOT Sun - Apr 15, 2018

This post is a write up on the Protostar format string exercises, you can find them here. If you haven't read part 1 yet, here's the link.

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Protostar Write Up Part 1 - stack0-7: shellcodes and ret2libc Sat - Mar 31, 2018 Protostar is a basic introduction to binary exploits, with ASLR turned off and an executable stack, it's meant for learning the basics. You can download the VM here. I'll be running it on my personal XenServer setup but VirtualBox is more than enough. Simply ssh in with the credentials they've provided and the exercises will be in /opt. I'll be doing the stack exercises in this post. I'm slightly more familliar with stack overflows but there are things I got stuck at, like ROP and ret2libc. ... ➦

Cryptopals Challenges Part 1: Repeated XOR, AES in ECB and more Mon - Mar 19, 2018

This post is about the Cryptopals challenges, a collection of 48 cryptography challenges and my solution to them.

I've been looking for something to do over the weekends and came across this Reddit post from 3 years ago, asking for crypto challenges. The comments were filled with links to CTFs, wargames, and challenge sets. I started off with the top of the list.

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