There are a total of 8 types of search engines for the cybersecurity analyst given below. These are very well-known tools for the security analyst.

Server-based

1. Netlas.io – A platform to discover, research, and monitor any assets available online
2. Onyphe.io – A Cyber Defense Search Engine that provides open-source and cyber threat intelligence data
3. Censys Search – A search engine for every server on the Internet, aimed at reducing exposure and improving security
4. Shodan – An Internet of Everything search engine
5. FOFA – A cyberspace mapping tool
6. GreyNoise – A valuable resource for understanding internet noise
7. ZoomEye – A global cyberspace mapping tool
8. Natlas – A network scanning tool designed for scalability
   
   

Exploit search engine

1. Exploit-DB – Comprehensive database of exploits
2. Vulmon – Search engine for vulnerabilities and exploits
3. Rapid7 – Vulnerability & Exploit Database
4. Sploitus – Platform for identifying the latest exploits
5. packetstormsecurity.com – Provider of Information Security Services, News, Files, Tools, Advisories, and Whitepapers
6. XSS Payloads – Collection of unexpected JavaScript usages and more
7. 0day.today – Extensive database of exploits and vulnerabilities
8. GTFOBins – Curated list of Unix binaries for bypassing local security restrictions
9. LOLBAS – Repository of Living Off The Land Binaries, Scripts, and Libraries
10. Payloads All The Things – Compilation of useful payloads and bypasses for Web Application Security
11. exploitalert.com – Repository of Exploits
    
    

Web history search engine

1. UK Web Archive – Preserving millions of websites annually for future generations
2. stored.website – Platform to view cached web pages and websites
3. Archive.ph – Creating permanent copies of web pages for uninterrupted access
4. CommonCrawl – Open repository of web crawl data for public use
5. Web Archive – Access a vast collection of over 702 billion saved web pages
6. CachedPages – Retrieving cached versions of any URL
   
   
   

Search engine for Devices

1. MAC Vendor Lookup – Identify the vendor associated with a specific MAC Address
2. macvendors.com – Instant MAC Address Vendors lookup service
3. macaddress.io – Lookup MAC address vendors and associated details
4. maclookup.app – Discover the vendor name of a device using OUI or MAC address
   
   

Phone book for information gathering

1. PhoneBook: Lists all domains, email addresses, or URLs for the given input domain.
2. IntelligenceX: A search engine and data archive.
3. URLScan: A sandbox for the web.
4. HackerTarget: Collects information about IP Addresses, Networks, Web Pages, and DNS records.
5. MOZ Link Explorer: The world’s best backlink checker with over 40 trillion links.
6. shorteners.grayhatwarfare.com: Search URLs exposed by Shortener services.
7. CommonCrawl Index: An open repository of web crawl data

Information gathering tools for threat hunting

1. VirusTotal – Analyze suspicious files, domains, IPs and URLs to detect malware and other breaches
2. CyberCampaigns – Threat Actor information and Write-Ups
3. bazaar.abuse.ch – Malware sample database
4. ThreatCrowd – A Search Engine for Threats
5. Rescure – Curated cyber threat intelligence for everyone
6. PulseDive – Threat intelligence made easy
7. otx.alienvault – The World’s First Truly Open Threat Intelligence Community
8. urlquery.net – Service for detecting and analyzing web-based malware
9. PassiveTotal – Security intelligence that scales security operations and response
10. leakix.net – Search engine indexing public information and an open reporting platform linked to the results
11. malapi.io – Windows APIs used for malicious purposes
12. ThreatMiner – Data Mining for Threat Intelligence
13. VirusShare – System currently contains 48 million malware samples
14. Polyswarm – Launchpad for new technologies and innovative threat detection methods
15. urlhaus.abuse.ch – Propose new malware URLs
16. sslbl.abuse.ch – All malicious SSL certificates
17. socradar.io – Extension to your SOC team
18. WikiLeaks – News leaks and classified media provided by anonymous sources
19. Cisco Talos – The threat intelligence organization at the center of the Cisco Security portfolio
20. MITRE ATT&CK – Globally-accessible knowledge base of adversary tactics and techniques
21. vx-underground.org – Malware library
22. scamsearch.io – Find your scammer online & report them
23. feodotracker.abuse.ch – List of botnet Command&Control servers
24. tria.ge – Fully automated solution for high-volume malware analysis using advanced sandboxing technology
25. yaraify.abuse.ch – Scan suspicious files such as malware samples or process dumps against a large repository of YARA rules
26. threatfox.abuse.ch – Indicator Of Compromise (IOC) database
    
    

Dns Info tools

1. Chaos – Enhance research and analyze changes around DNS for better insights
2. DNSDumpster – DNS recon & research, find & lookup DNS records
3. RapidDNS – DNS query tool which makes querying subdomains or sites of the same IP easy
4. passivedns.mnemonic.no – Web interface for querying passive DNS data collected in our malware lab
5. DNSTwister – The anti-phishing domain name search engine and DNS monitoring service
6. ptrarchive.com – Over 230 billion reverse DNS entries from 2008 to the present
7. HackerTarget – Collect information about IP Addresses, Networks, Web Pages, and DNS records
8. DNSviz – Tool for visualizing the status of a DNS zone
9. DNSTwister – The anti-phishing domain name search engine and DNS monitoring service
10. DNSdb – Passive DNS historical database
11. dnshistory.org – Domain Name System Historical Record Archive
12. wannabe1337.xyz – Online Tools
13. Omnisint – Reverse DNS lookup
14. C99.nl – Over 57 quality APIs and growing
15. PassiveTotal – Security intelligence that scales security operations and response
    
    

Search engine for Mail Addresses

1. IntelligenceX – Search engine and data archive
2. PhoneBook – Lists all domains, email addresses, or URLs for the given input domain
3. Hunter.io – Find professional email addresses in seconds
4. Reacher.email – Open-Source Email Verification
5. EmailHippo – Email address verification technology
6. Email-format.com – Find the email address formats in use at thousands of companies
7. Melissa – Emailcheck – Check email addresses and verify they are live
8. verify-email.org – Checks whether the mailbox exists or not
9. RocketReach – Your first-degree connection to any professional
10. ThatsThem – Reverse email lookup
11. SynapsInt – The unified OSINT research tool
12. VoilaNorbert – I can find anyone’s email address
13. skymem.info – Find email addresses of companies and people
14. findemails.com – Find Anyone’s Email Address in Seconds