What is XSS?

XSS (Cross Site Scripting) - This vulnerability allows for an attacker's input to be sent to unsuspecting victims. The primary usage for this vulnerability is cookie stealing; if an attacker steals your cookie, they can log into any site for which they have stole your cookies.

What is a Binder?

Binder - A binder is used to bind a virus(such as a keylogger,etc) to another program making it undetechtable and able to fool users into thinking its something else. for ex. If someone attach a virus with an exe file say photoshop.exe, then a victim will click on photoshop.exe and it will install photoshop as well as virus secretly.

What is crypter?

Crypter - A crypter is used to make well known hacker's viruses (such as keyloggers and botnets) undetectable by anti-virus software by changing the virus program signatures that anti virus programs have in their databases to make them easier to spread.

What is botnet?

Botnet : (Robot Network, Zombie Army) botnets are networks of infected computers controlled by the attacker used send spam and viruses.

What is bot?

Bot - A bot is a program that is ran secretly in the background of a victim's computer. The bot connects to an IRC channel usually where a Bot Herder(its creator) can use a number of commands to control these computers that are now it's under control. A zombie computer(a pc under control of a bot herder) can be manipulated in a number of ways. Some functions of a bot include stealing victims passwords, keylogging, ddosing a server to cause it to crash, turning on the webcam and being able to watch the zombie computer's users, visiting a website(to gain money + traffic for a bot herder), clicking ads, making ads appear randomly, destroying itself(the pc), and sending spam to email contacts.

What does RAT mean?

RAT - A RAT is short term of the word Remote Administration Tool. The RAT is used to remotely connect in one or more computers and remotely control those computers. It gives the attacker almost full control over the infected computer, infected computers are called zombies. Rats are of 2 type:
Legel - Victim knows that someone connected to him. for ex. Team Viewer
iIlegal - victim you are connected to, doesn't know that somebody is connected to him.