Once the password is found, use unzip to extract the contents. Command: unzip -P [found_password] lucifer.zip
If the extracted file is an image and the flag is hidden. PBI_cra_luciferzip
Run file lucifer.zip to confirm it is a ZIP archive. Once the password is found, use unzip to
Use zipinfo -v lucifer.zip or 7z l -slt lucifer.zip to check if it is encrypted. Once the password is found
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.txt -u lucifer.zip
The "PBI_cra_luciferzip" (or LuciferZip/Lucifer zip) challenge refers to a or similar CTF forensics/reverse engineering challenge where an encrypted zip file needs to be cracked to find a hidden flag . Overview of the Challenge