This has to be Hashcat. Getting it installed properly, setting it up, reading about it, making my script, running valid script, and actually cracking a hash. I think I was so excited that I ran away from my computer and was jumping and did not go back to finish CTF from being so overjoyed by running Hashcat. I think it took me a while to actually return to that machine - days. I was just powerfully in happiness and did not want it to end. And also a bit intimidated by how much happiness it gave to execute this at all. Then I bought a slew of books on Amazon around cracking and nmap and netcat. :)
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