Ichidan Simplifies Dark Web Searches
November 10, 2017
Now there is an easier way to search the Dark Web, we learn from a write-up at Cylance, “Ichidan, a Search Engine for the Dark Web.” Cybersecurity pro and writer Kim Crawley informs us:
Ichidan is a search engine for looking up websites that are hosted through the Tor network, which may be the first time that’s been done at this scale. Websites on Tor usually have the .onion top level domain and you typically need a web browser with the Tor plugin or Tor’s own configured web browser in order to access them. … The search engine is less like Google and more like Shodan, in that it allows users to see technical information about .onion websites, including their connected network interfaces, such as TCP/IP ports.
Researchers at BleepingComputer explored the possibilities of this search engine. They were able to reproduce OnionScan’s findingss on the shrinkage of the Dark Web—the number of Dark Web services decreased from about 30,000 in April 2016 to about 4,400 not quite a year later (so by about 85%). Researchers found this alarming capability, too:
BleepingComputer was also able to use Ichidan to find a website which a lot of exposed ports, including OpenSSH, an email server, a Telnet implementation, vsftpd, and an exposed Fritzbox router. That sort of information is very attractive to cyber attackers. Using Ichidan is a lot easier than command line pentesting tools, which require more specific technical know-how.
Uh-oh. Crawley predicts that use of Icihan will grow as folks on both sides of the law discover its possibilities. She advises anyone administering a .onion site to strengthen their cyber defenses posthaste, “if they want to survive.”
Cynthia Murrell, November 10, 2017
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