The flag is typically found by or performing LSB steganography on the images found inside.
In some variations of this challenge, the "rar" extension is a mask: bmwm4custom.rar
Inspect metadata for comments or GPS coordinates that might serve as a flag or password. The flag is typically found by or performing
Opening the archive often reveals its primary contents, though these are frequently bait or password-protected. bmwm4custom.rar