To steal your friends Password you only need even less than a minute and you can have a quick look at your friends Usernames and Passwords.
Just follow the following steps:
1. Open Mozila Firefox
2. Goto Tools -> Options
3. In that goto Privacy -> Passwords.
4. There you will find View Saved Passwords Button Click on it.
5. It will show you a list of websites with the usernames. To get the Passwords Click on Show Passwords Button.
6. Now To get the Internet Password Just see for any IP address in the website column this is the Ip address of that computer and
Username and Pass is what you want.
7. You can get pass of any account just look for the site name whose password you want to hack and on the right side you will get the Username and Password