1.The botnet is a network of infected computer by malware that get under the control of an attacking group called “bart-herder”. Here, Bot acts as a tool of malware that creates infection to the computer. In this process, hackers create a backdoor to people’s computers and bot malware enters the computer with the attacker’s instructions. Then the botnet starts dominating all the functions of attacked computer and the infected computer becomes a slave, or zombie, serving a master computer belonging to someone else. Once the attackers get access to multiple computers, they will start sending spam emails phish campaigns.