Full chain - Google CTF 2021
· β˜• 10 min read
Full chain Do you have what it takes to pwn all the layers? Intro Hi, last weekend I participated in Google CTF 2021 with my team vh++. To quote from my last year’s writeup: Although I didn’t solve the challenge in time for the points,

Pwnable01 scull - Whitehat Grandprix 06
· β˜• 4 min read
Pwnable01 Intro Hi guys, this is the writeup for the challenge Pwnable01 from Whitehat Grandprix 06 Final You may want to checkout the exploit code and challenge’s source Challenge #pwn01: You can ssh into our server as a low-privilege user.

pwning your kernelz: macOS 0day LPE
· β˜• 6 min read
pwning your kernelz Background Hi everyone, This is the writeup for the challenge pwning your kernelz, created by Linus Henze(@LinusHenze), I came across this challenge when Linus tweeted a status update for the CTF. Of course, I didn’t solve this challenge during the time of the CTF.

kpets FacebookCTF 2019 QR
· β˜• 4 min read
kpets welcome to Kernel Pets Simulator! We wrote a pet store application that was too slow, so we made a kernel module for it instead. Author: pippinthedog Hi everyone, this is the writeup for the Facebook CTF 2019 Qualification Round kpets challenge

Linux Kernel Debugging in VM
· β˜• 1 min read
Kernel Debugging Instruction Setup I used VirtualBox for Kernel Debugging, VMWare shoud be able to do the same thing. Enter Machine Settings -> Ports -> Serial -> Enable Serial Port Port Number: Any :))) Port mode: Host Pipe Connect to existing : unchecked

· β˜• 3 min read
KSMASH - Kernel Stack Smashing Background This is a Linux Kernel Module(LKM) exploitation challenge by host in Round 3 MatesCTF 2018-2019 I solved this challenge overtime :< But It seems that no team solved this so I still sent the exploit to the challenge author for testing and also wrote this writeup.