Tons of resources - https://github.com/tylerph3/awesome-reversing

Start Here - http://amanda.secured.org/how-to-start-reverse-engineering-malware/

Reversing on Windows - https://suszter.com/ReversingOnWindows

University Course - https://github.com/RPISEC/Malware

Ray's World - http://rayseyfarth.com/

Malware Traffic Analysis - https://github.com/MalwareReverseBrasil/maltran