These are presentation slides for Explotando Add-On’s de Mozilla Firefox, or Exploiting Add-Ons in Mozilla Firefox. Written in Spanish.
You can download it from the following link: https://packetstormsecurity.com/files/download/122840/exploiting-addons.pdf
Source: https://packetstormsecurity.com/files/122840/Exploiting-Add-Ons-In-Mozilla-Firefox.html