Abstract
Wi-Fi networks almost cover all active areas around us and, especially in some densely populated regions, Wi-Fi signals are strongly overlapped. The broad and overlapped coverage brings much convenience at the cost of great security risks. Conventionally, a worm virus can infect a router and then attack other routers within its signal coverage. Nowadays, artificial intelligence enables us to solve problems efficiently from available data via computer algorithm. In this paper, we endow the virus with some abilities and present a dedicated worm virus which can pick susceptible routers with kernel density estimation (KDE) algorithm as the attacking tasks automatically. This virus can also attack lower-encryption-level routers first and acquire fast-growing numbers of infected routers on the initial stage. We simulate an epidemic behavior in the collected spatial coordinate of routers in a typical area in Beijing City, where 56.0% routers are infected in 18 hours. This dramatical defeat benefits from the correct infection seed selection and a low-encryption-level priority. This work provides a framework for a computer-algorithm-enhanced virus exploration and gives some insights on offence and defence to both hackers and computer users.
Highlights
Wi-Fi technology, dating from the 90s, has proceeded in an explosive manner
An end user is infected as a seed or a broiler where the worm virus analyzes the Wi-Fi router and probes potential devices in the coverage
Wired Equivalent Privacy (WEP)-encrypted router can be broken when it is attacked for τWEP and follows the password crack dynamics
Summary
Wi-Fi technology, dating from the 90s, has proceeded in an explosive manner. Nowadays, almost all electronic devices are equipped with Wi-Fi modules and the number of routers has increased rapidly and complementarily. With broad radiating areas, have their Wi-Fi signals overlapped in free space and, on the other hand, people usually set vulnerable passwords for convenience. Wi-Fi networks provide a target-rich epidemic spread platform for cybercriminals. Wi-Fi routers are perfect target platforms since routers are always on and connected to the Internet with a usually low security level or sometimes even no firewall software. An end user is infected as a seed or a broiler where the worm virus analyzes the Wi-Fi router and probes potential devices in the coverage. In this manner, worm viruses can spread through the router network [5]
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