“Invading in network space” refers to an area where hackers can enter and exit at will to send arbitrary information and files within an IP block or an Internet region “noncooperative” means that a vulnerable computer receives no warning notice for the upcoming attack and “remote control” means that a Botnet usually has a C&C server that can remotely accept control commands from hacker and concurrently send the corresponding instructions in the form of messages to the corresponding infected host (Bot). According to the data of the 2018 China Internet Cyber Security Report provided by the China National Internet Emergency Center, the number of security vulnerabilities collected by the National Information Security Vulnerability Sharing Platform is 14,201 in 2018.īotnet is a common computing platform which can be controlled remotely by attackers by invading several noncooperative user terminals in network space. These hazards not only affect people’s safe use of the network but also can lead to the disclosure and destruction of sensitive information of enterprises, public institutions, military, and financial institutions, adversely affecting the national economy and security. With the network scale gradually expanding and complex network environment, many criminals make use of the vulnerability on the network for network invasion, information leakage, hacker blackmail, and other attacks. For the computer network itself, there are some inherent security risks in design. The emergence of the Internet has brought a lot of convenience to people’s life, but meanwhile, with the continuous expansion of network scale, the security risks have been exposed. It can be seen that the resources of the Internet are accessible to everyone. In 2018, the penetration rate was more than 59.6% for the population. The penetration rate of the Internet also increased dramatically year by year. The number of Internet users in China has increased gradually from 2007 to 2019, reaching more than 829 million in 2018. From China’s core report the 43rd Statistical Report on Internet Development in China, we can see the development of the Internet in China and the country’s emphasis on the Internet. With the interconnection of global networks, the Internet is everywhere in the world.
At present, the demand of computer network is increasing, and various social organizations such as enterprises, governments, and schools are constantly connecting themselves to the network to exchange and share information resources.
In the new century, with the globalization and informatization of network, computer network has become indispensable knowledge for the development of the Internet. This paper also presents and discusses a list of the prominent and persistent research problems that remain open.In 1990, the continuous development of the global economy led to the continuous reform and innovation of information technology, which gave birth to the computer and the Internet, and Internet technology was introduced into every household.
This paper presents a comprehensive review that broadly discusses the botnet problem, briefly summarizes the previously published studies and supplements these with a wide ranging discussion of recent works and solution proposals spanning the entire botnet research field. However, existing studies remain somewhat limited in scope and do not generally include recent research and developments. Although research on the topic of botnets is relatively new, it has been the subject of increasing interest in recent years and has spawned a growing number of publications. Such networks have been created to conduct large-scale illegal activities, even jeopardizing the operation of private and public services in several countries around the world. Botnets, which are networks formed by malware-compromised machines, have become a serious threat to the Internet.
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