Cowrie
With a honeypot we can collect many indicators that we can use later on
HacktheBox - Tenet
It is an excellent machine to practice deserialization in PHP.
TryHackMe - Convertmyvideo
It is a linux machine that allows us to exploit a vulnerability found in the OWASP Top 10 (2017).
HacktheBox - Ready
This time it is an abuse of a CVE that is present in a version of Gitlab.
TryHackMe - Startup
It is a linux machine that allows us to review some basic concepts.