Shodan (website)

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This article is about the search engine. For other uses, see Shodan (disambiguation).
Shodan
Shodan logo.png
Web address www.shodan.io
Type of site
 search engine
Registration Optional
Available in English
Created by John Matherly
Launched 2009 (2009)
Current status Active

Shodan is a search engine that lets the user find specific types of computers (routers, servers, etc.) connected to the internet using a variety of filters. Some have also described it as a search engine of service banners, which are meta-data the server sends back to the client.[1] This can be information about the server software, what options the service supports, a welcome message or anything else that the client can find out before interacting with the server.

Shodan collects data mostly on web servers (HTTP, port 80), as well as FTP (port 21), SSH (port 22) Telnet (port 23), SNMP (port 161), SIP (port 5060),[2] and Real Time Streaming Protocol (RTSP, port 554). The latter can be used to access webcams and their video stream.[3]

It was launched in 2009 by computer programmer John Matherly, who, in 2003,[4] conceived the idea of searching devices linked to the Internet.[5] The name Shodan is a reference to SHODAN, a character from the System Shock video game series.[4]

Background

The website began as Matherly's pet project, based on the fact that large numbers of devices and computer systems are connected to the Internet. Shodan users are able to find systems including traffic lights, security cameras, home heating systems as well as control systems for water parks, gas stations, water plants, power grids, nuclear power plants and particle-accelerating cyclotrons;[citation needed] most have little security.[5][6] Many devices use "admin" as their user name and "1234" as their password, and the only software required to connect to them is a web browser.[6]

Media Coverage

In May 2013, CNN Money released an article detailing how SHODAN can be used to find dangerous systems on the Internet, including traffic light controls. They show screenshots of those systems, which provided the warning banner "DEATH MAY OCCUR !!!" upon connecting.[7]

In September 2013, Shodan was referenced in a Forbes article claiming it was used in order to find the security flaws in TRENDnet security cameras.[8] The next day, Forbes followed up with a second article talking about the types of things that can be found using Shodan. This included Caterpillar trucks whose onboard monitoring systems were accessible, heating and security control systems for banks, universities, and corporate giants, surveillance cameras, and fetal heart monitors.[9]

In January 2015, Shodan was discussed in a CSO Online article[10] addressing its pros and cons. According to one opinion, presented in the article as that of Hagai Bar-El, Shodan actually gives the public a good service, although it highlights vulnerable devices. This perspective is also described in one of his essays.[11]

In December 2015, various news outlets, including Ars Technica, reported that a security researcher used Shodan to identify accessible MongoDB databases on thousands of systems, including one hosted by Kromtech, the developer of the OS/X security tool MacKeeper.[12]

Usage

The website crawls the Internet for publicly accessible devices, concentrating on SCADA (supervisory control and data acquisition) systems.[13] Shodan currently returns 10 results to users without an account and 50 to those with one. If users want to remove the restriction, they are required to provide a reason and pay a fee.[6] The primary users of Shodan are cybersecurity professionals, researchers and law enforcement agencies. While cybercriminals can also use the website, some typically have access to botnets that could accomplish the same task without detection.[6]

Automated Search Tools

SHODAN Diggity-Screenshot-1.jpg
SHODAN Diggity - Provides a free, easy-to-use scanning interface to the SHODAN search engine.

Bulk searching and processing of SHODAN queries can be performed using SHODAN Diggity[14][15] (part of SearchDiggity, Bishop Fox's free search engine attack tool suite). The free tool provides an easy-to-use scanning interface to the popular hacking search engine via the SHODAN API.[16]   

SHODAN Diggity comes equipped with convenient list of 167 search queries ready in a pre-made dictionary file, known as the SHODAN Hacking Database (SHDB).[15] This dictionary helps target various technologies including webcams, printers, VoIP devices, routers, toasters, switches, and even SCADA/Industrial Control Systems (ICS) to name just a few.

Ongoing Monitoring via RSS Feeds

SHODANHackAlerts-Webcam.png
SHODAN Hacking Alerts - Monitoring RSS Feeds in Reader
SHODANHackAlerts-FeedCreate.png
SHODAN Hacking Alerts - Creating RSS Feeds

SHODAN Hacking Alerts[17] are live vulnerability RSS feeds regularly pulling search results from the SHODAN search engine. Bishop Fox's free defensive tools incorporate SHODAN data into its defense alerts by utilizing the feature to turn SHODAN search results into RSS feeds by appending &feed=1 to common SHODAN query URLs. As an example: http://www.shodanhq.com/?q=Default+Password&feed=1

These free RSS alerts can be utilized to perform ongoing monitoring of SHODAN results for any new vulnerability exposures related to organizations. They are part of the free defensive tool suite of the Google Hacking Diggity Project,[18] which form a type of intrusion detection system for search engine hacking (including results from SHODAN, Google, Bing, etc.).

References

  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Shodan: The IoT search engine for watching sleeping kids and bedroom antics
  4. ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ 5.0 5.1 Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ 6.0 6.1 6.2 6.3 Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  14. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  15. ↑ 15.0 15.1 Lua error in package.lua at line 80: module 'strict' not found.
  16. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  17. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  18. ↑ Lua error in package.lua at line 80: module 'strict' not found.

External links

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