This is the Linux app named Fav-up whose latest release can be downloaded as CSV_JSONoutputanditerateoverinputfilesourcecode.tar.gz. It can be run online in the free hosting provider OnWorks for workstations.
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Fav-up
DESCRIPTION
fav-up is an open source reconnaissance utility designed to identify servers and websites by analyzing favicon hashes and querying the Shodan search engine. It calculates the hash of a favicon image and then uses that value to search Shodan for other hosts that use the same icon. This technique is commonly used in security research and OSINT investigations to discover related infrastructure or services that may belong to the same organization. fav-up can retrieve favicon data from several sources, including local files, direct favicon URLs, or full web pages where the favicon is automatically extracted. fav-up then computes the favicon hash and performs Shodan queries to locate IP addresses that match the same hash. To support larger investigations, the tool can iterate over lists of URLs, domains, or favicon files in bulk. Results can be printed to the console or exported into structured formats such as CSV or JSON for further analysis and reporting.
Features
- Computes favicon hashes from local files, URLs, or website pages
- Searches Shodan using the favicon hash to identify related IP addresses
- Supports bulk processing through lists of domains, URLs, or favicon files
- Automatically extracts favicon locations from HTML pages when given a domain
- Outputs results in CSV or JSON formats for analysis or reporting
- Avoids repeated Shodan queries by caching previously scanned favicon hashes
Programming Language
Python
Categories
This is an application that can also be fetched from https://sourceforge.net/projects/fav-up.mirror/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.
