Mastering Kali Linux for Advanced Penetration Testing - Third Edition
by Vijay Kumar Velu, Robert Beggs
Shodan and censys.io
Where can you find an ocean of vulnerable hosts? Often, attackers utilize existing vulnerabilities to gain access to the system without much effort, so one of the easiest ways to do so is to search in Shodan. Shodan is one of the most important search engines, as it lets anyone on the internet find devices connected to the internet using a variety of filters. It can be accessed by visiting https://www.shodan.io/. This is one of the most popular websites consulted for information around the globe. If the name of a company is searched for, it will provide any relevant information that it has in its database, such as IP addresses, port numbers, and the service that was running.
The following sample screenshot from shodan.io ...
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