May 2020
Intermediate to advanced
544 pages
12h 57m
English
This technique is not commonly known to pen testers as it involves the hashing of an icon. This is actually another cool way of telling whether or not a server is running JBoss AS. We can MD5 hash the favicon.ico file (an icon file), as in the following screenshot:

Searching the hash in the OWASP favicon database will show us whether the server is running JBoss:

As the OWASP favicon database is very limited, we could always create our own database to carry out this activity.
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