Let's practise binary reverse engineering during corona isolation time

I added a new chapter, a Linux binary basic reverse engineering knowhow is shared in one practical example, to motivate young folks who get isolated due to corona pandemic, to use their time to learn a cool stuff! The direct url to newly-added chapter is:

https://blog.malwaremustdie.org/2020/02/mmd-0065-2021-linuxmirai-fbot-re.html#echoloader