Hackers smoke out Firefox

Hackers have found to exploit a hole in the open-source Firefox browser that enables them to monitor people's activity on the Internet.
The Infostealer.Snifula uses works as an extension to Firefox but installs malicious Trojans that are loaded at start-up. The Trojan captures contents of form submission events including passwords and forwards them to its main process where it is sent to the remote attacker.

Ref: TechWorld