mathematics - Hackers have created a new scheme to send passwords

Note: Following puzzle was used in certain competition and every detail of task is virtual (This certain competition is not ongoing).

Hackers have created a new scheme to send passwords. Unfortunately, the only trace to find the passwords is the certain file.

This a is data of the certain file:

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Can you solve the scheme and find the password?

Answer

If we

take each block of 59 ./# as a single line

then we get

..######...#######..##......##.########...#######..##....## .##....##.##.....##.##..##..##.##.....##.##.....##..##..##. .##.......##.....##.##..##..##.##.....##.##.....##...####.. .##.......##.....##.##..##..##.########..##.....##....##... .##.......##.....##.##..##..##.##.....##.##.....##....##... .##....##.##.....##.##..##..##.##.....##.##.....##....##... ..######...#######...###..###..########...#######.....##...

so it would seem the password is

COWBOY.