Introduction This challenge was presented at DragonCTF 2020 organized by Dragon Sector, a capture-the-flag team from Poland. As the description suggests, we are given an executable that works on...
RCTS-CERT Summer 2020 CTF - Forensics250 Challenge Writeup
Introduction This challenge is based on vm2.ova file which is used by virtualization applications such as Oracle VM Virtualbox and VMWare Workstation. Description makes reference to OpenBSD oper...
CVE-2020-1350 - Analysis of Windows DNS Server Vulnerability - SIGRed
Introduction This week Microsoft released an update for CVE-2020-1350 (SIGRed), a Remote Code Execution vulnerability that affects Windows Server versions from 2003 to Server 2019. It was assig...
TryHackMe - Win32 Remote Buffer Overflow Challenge - Brainpan
Introduction This easy challenge requires analyzing a PE32 executable file by reversing it and find a buffer overflow vulnerability in order to achieve RCE. We are given an IP address, instead o...