Deep Dive: http.favicon
ATT&CK techniques detected
T1046Network Service Discovery
69%
"##vicon hash given a url, hostname or local file path. $ favscan - h calculate the favicon hash of a local file, hostname or url usage : favscan [ options ] < location > arguments : < location > options : - v, - - verbose - h, - - help print help - v, - - version print version fa…"
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T1071.001Web Protocols
34%
": https : / / faviconmap. shodan. io datapedia entry for http. favicon : https : / / datapedia. shodan. io / property / http. html # httpfavicon"
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Summary
Favicons are the small icons that you see in the browser tab next to the website title or in your bookmarks. For example, the Shodan logo on the left side of the browser tab is the favicon:

They typically contain the logo of the company which gives them 2 functions: