melotic’s blog

Best Cyber Warrior ‘22 CTF The Best Cyber Warrior (BCW) ‘22 was a CTF that was available to U.S. Army cyber personnel, hosted by the Army’s Central Command. Our team, PWN@VT, comprised of ROTC cadets came in 2nd place! Best Cyber Warrior 22 - Fileless Writeup fileless was a hard reverse engineering challenge. The binary to reverse engineer was an ELF executable, that dynamically decrypted another ELF file and executed it with memfd_create and fexecve....

If you want to skip right to the code, it’s available on GitHub: https://github.com/melotic/ThreateningYeti This is a series on hacking the Lockdown Browser. The recent outbreak of Coronavirus has many colleges and universities switching their in-person classes to 100%. With this, many colleges are turning to software like Lockdown Browser to secure their online tests to prevent cheating. If you’re a college student, you’ve more than likely had to use Respondus’ Lockdown Browser, a software application that is essentially a secure web browser....