March 15, 2021 KFENCE - Detecting memory bugs in production kernels On February 26 this year KFENCE was merged into the upstream kernel source, ready for release in Linux 5.12. KFENCE is basically a low-overhead address sanitizer, but actually so low-overhead that it can run in production kernels on live systems... linux
June 14, 2020 Plymouth on the GPD Pocket (2) I recently bought a GPD Pocket 2 as a machine to play around with in my spare time. Because I’d like it to be fast and lean, I decided to install Arch Linux running the i3 window manager. linux
November 19, 2018 Flare-on 2018 #8: doogie.bin This challenge came only with a .bin-file, and a quick ‘file’ told me this was going to be fun: ctf flareon5
October 18, 2018 Flare-on 2018 #4: binstall.exe The first interesting challenge of 2018 was a simple executable. Initial examination shows it’s a .NET executable, so I turn to dnSpy to get some more information. ctf flareon5
October 17, 2017 Flare-on 2017 #10: shell.php shell.php looked like a webshell you’d find left behind by an attacker. See the bottom of this post for the full challenge code. ctf flareon4
