Tinba aka Zusy is an interesting tiny (18-20KB) banker trojan. It hooks into browsers and steals login data and sniffs on network traffic. Uses Man in the Browser (MiTB) tricks and webinjects to change the look and feel of certain webpages with the purpose of circumventing Two factor Authentification (2FA) or tricking the infected user to give away additional sensitive data such as credit card data or TANs. No packing or advanced encryption (yet)”]
Source: http://contagiodump.blogspot.com/2012/06/amazon.html