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  <title>appsec.fyi — Shodan</title>
  <link>https://appsec.fyi/tools.html#shodan</link>
  <description>Curated Shodan resources from appsec.fyi</description>
  <language>en-us</language>
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  <lastBuildDate>Sun, 07 Jun 2026 04:05:35 +0000</lastBuildDate>
  <managingEditor>carl@chs.us (Carl Sampson)</managingEditor>
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    <title>30 Cybersecurity Search Engines Every Researcher Should Bookmark</title>
    <link>https://securityboulevard.com/2026/05/30-cybersecurity-search-engines-every-researcher-should-bookmark/</link>
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    <description>This article highlights 30 essential cybersecurity search engines for researchers. These specialized tools offer unique functionalities beyond general search engines, aiding in tasks like threat intelligence gathering, vulnerability discovery, and network reconnaissance. By leveraging these resources, cybersecurity professionals can more effectively identify and analyze potential risks, improving their overall defensive strategies and understanding of the digital threat landscape.</description>
    <category domain="tool">Shodan</category>
    <category domain="difficulty">beginner</category>
    <pubDate>Tue, 26 May 2026 05:19:19 +0000</pubDate>
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  <item>
    <title>Shodan and Censys for beginners: How to find more vulnerabilities</title>
    <link>https://www.intigriti.com/researchers/blog/hacking-tools/complete-guide-to-finding-more-vulnerabilities-with-shodan-and-censys</link>
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    <description>Guide for beginners on utilizing Shodan and Censys for vulnerability discovery, focusing on reconnaissance techniques. It details how to use specific search operators like `org`, `asn`, `http.status`, `ssl.cert.subject.CN`, `http.favicon.hash`, and `http.html` to identify exposed hosts, forgotten assets via expired certificates, and authentication panels. The guide also explains filtering by technologies such as PHP and finding directory listings.</description>
    <category domain="tool">Shodan</category>
    <category domain="difficulty">beginner</category>
    <pubDate>Wed, 22 Apr 2026 12:52:03 +0000</pubDate>
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    <title>Beyond Google: Navigating the Hidden Internet with Shodan and Censys</title>
    <link>https://medium.com/@himadrisingh061/beyond-google-navigating-the-hidden-internet-with-shodan-and-censys-2cf5015f1b57</link>
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    <description>Beyond Google: Navigating the Hidden Internet with Shodan and Censys</description>
    <category domain="tool">Shodan</category>
    <category domain="difficulty">beginner</category>
    <pubDate>Fri, 17 Apr 2026 14:35:49 +0000</pubDate>
  </item>
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    <title>sarenka: OSINT tool (Shodan/Censys) (GitHub)</title>
    <link>https://github.com/KTZgraph/sarenka</link>
    <guid isPermaLink="true">https://github.com/KTZgraph/sarenka</guid>
    <description>Tool for OSINT and attack surface discovery, SARENKA gathers information from Shodan, Censys, and Criminal IP, mapping CVEs to CWEs. It also retrieves local machine data, including installed software and network information, alongside utilities for hash calculation, Shannon entropy, and port scanning. Future plans include more cryptography tools and reconnaissance scripts.</description>
    <category domain="tool">Shodan</category>
    <category domain="difficulty">intermediate</category>
    <pubDate>Fri, 17 Apr 2026 14:35:46 +0000</pubDate>
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  <item>
    <title>Flask 3.1.1 SSRF Zero-Day Shodan dork exposed 500 targets 0day PoC (CWE-918) Full Article: nullsecurityx.codes/ssrf-vulnerabi Video: youtube.com/watch?v=Levx_p Responsible disclosure &amp; defensive demo only. #infosec #vulnerability #SSRF #BugBounty</title>
    <link>https://x.com/NullSecurityX/status/1969813993922715942</link>
    <guid isPermaLink="true">https://x.com/NullSecurityX/status/1969813993922715942</guid>
    <description>A zero-day vulnerability in Flask 3.1.1 related to SSRF was exposed through a Shodan dork, revealing 500+ potential targets. A proof of concept (PoC) for this vulnerability (CWE-918) was shared. The full article and a video demonstrating the issue were provided. The disclosure was done responsibly, and a defensive demo was included. The content emphasizes information security, vulnerability, SSRF, and Bug Bounty programs. The details can be found at nullsecurityx.codes/ssrf-vulnerabi and the video is available on YouTube.</description>
    <category domain="tool">Shodan</category>
    <category domain="difficulty">news</category>
    <pubDate>Sun, 21 Sep 2025 17:48:32 +0000</pubDate>
  </item>
  <item>
    <title>New video: Flask 3.1.1 SSRF Zero-Day Shodan dork exposed 500 targets 0day PoC (CWE-918). Watch now youtube.com/watch?v=Levx_p Responsible disclosure &amp; defensive demo only. #infosec #vulnerability #SSRF #BugBounty</title>
    <link>https://x.com/NullSecurityX/status/1969808626190626826</link>
    <guid isPermaLink="true">https://x.com/NullSecurityX/status/1969808626190626826</guid>
    <description>A new video exposes a Flask 3.1.1 SSRF Zero-Day vulnerability using a Shodan dork that revealed 500+ targets with a 0day Proof of Concept (CWE-918). The content emphasizes responsible disclosure and includes a defensive demo. The video can be watched on YouTube. The focus is on information security, vulnerability, SSRF, and Bug Bounty programs.</description>
    <category domain="tool">Shodan</category>
    <category domain="difficulty">news</category>
    <pubDate>Sun, 21 Sep 2025 17:48:32 +0000</pubDate>
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    <title>PREMIERE TONIGHT: Flask 3.1.1 SSRF Zero-Day (CWE-918) 8:00 PM (03) In this video: Discover 500 potential targets via Shodan dork PoC demo Turn on notifications so you dont miss it! Watch here: youtube.com/watch?v=Levx_p #BugBounty #CyberSecurity #SSRF</title>
    <link>https://x.com/NullSecurityX/status/1969708397873258604</link>
    <guid isPermaLink="true">https://x.com/NullSecurityX/status/1969708397873258604</guid>
    <description>A video premiering tonight at 8:00 PM showcases a Flask 3.1.1 SSRF Zero-Day vulnerability (CWE-918). The content includes a demonstration of discovering 500 potential targets using Shodan dork. Viewers are encouraged to turn on notifications to not miss the premiere. The video link is provided for watching. The focus is on Bug Bounty, Cybersecurity, and SSRF.</description>
    <category domain="tool">Shodan</category>
    <category domain="difficulty">news</category>
    <pubDate>Sun, 21 Sep 2025 10:48:30 +0000</pubDate>
  </item>
  <item>
    <title>10 Rare and Worthy Websites and Services for Security Professionals</title>
    <link>https://osintteam.blog/10-rare-and-worthy-websites-and-services-for-security-professionals-de9eefbd94e5</link>
    <guid isPermaLink="true">https://osintteam.blog/10-rare-and-worthy-websites-and-services-for-security-professionals-de9eefbd94e5</guid>
    <description>While platforms like Shodan, OWASP, and VirusTotal are staples for security professionals, there are many lesser-known websites and services that offer equally valuable tools and resources. These…</description>
    <category domain="tool">Shodan</category>
    <category domain="difficulty">beginner</category>
    <pubDate>Fri, 04 Apr 2025 04:16:47 +0000</pubDate>
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  <item>
    <title>🚀 Introducing ShodanSpider v2: Your Ultimate Free Tool for CVE Searching and Shodan Data Analysis…</title>
    <link>https://shubhamrooter.medium.com/introducing-shodanspider-v2-your-ultimate-free-tool-for-cve-searching-and-shodan-data-analysis-ba7c7b3097b0</link>
    <guid isPermaLink="true">https://shubhamrooter.medium.com/introducing-shodanspider-v2-your-ultimate-free-tool-for-cve-searching-and-shodan-data-analysis-ba7c7b3097b0</guid>
    <description>In today’s fast-paced cybersecurity world, staying ahead of vulnerabilities is critical. ShodanSpider v2 takes your security research to…</description>
    <category domain="tool">Shodan</category>
    <category domain="difficulty">news</category>
    <pubDate>Sat, 14 Dec 2024 02:10:16 +0000</pubDate>
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