Pbi_cra_luciferzip -

fcrackzip -D -p /usr/share/wordlists/rockyou.txt -u lucifer.zip

Note: Using the rockyou.txt dictionary file is generally sufficient for piconCTF/picoGym challenges. PBI_cra_luciferzip

Since the password is not provided, you must brute-force it. The most common tool for this is fcrackzip . fcrackzip -D -p /usr/share/wordlists/rockyou