If prompted for a password, common CTF defaults include flare , infected , or password .
The most recent high-profile event featuring .7z challenge packages is Flare-On 11 . While the first challenge is titled "frog," participants often receive a password-protected archive (password: flare ) containing game-related binaries.
Could you provide about where you got the file (e.g., a specific CTF platform or a GitHub repository)? How To Use 7-Zip To Compress & Extract Files - Step By Step