In this video, we take a deep dive into EternalBlue, the infamous exploit behind many of the most impactful cyber-attacks, such as WannaCry, NotPetya, TrickBot, and more. This is the most sophisticated exploit I have covered on this channel, due to the sheer rigor and length of the exploit chain. I wanted to build up to a comprehensive understanding of the exploit, starting with the buffer overflow / out-of-bounds write, as well as the arbitrary memory allocation, before outlining how the attack is executed. Whether you're a pen tester, security researcher, or cyber security expert, I hope you'll find this attack as fascinating as I did.