Shadow Cat==========
Task description----------------
> We only know that one used /etc/shadow file to encrypt important message for> us. shadow.txt encrypted.txt
Solution--------
To be done.
TL;DR: Crack shadow file with John the Ripper, use the one-letter usernames andtheir passwords to decode each letter in the ecrypted.txt.
    jr:1:17792:0:99999:7:::    z:_:17930:0:99999:7:::    a:a:17930:0:99999:7:::    x:b:17930:0:99999:7:::    q:c:17930:0:99999:7:::    l:w:17930:0:99999:7:::    v:h:17930:0:99999:7:::    e:i:17930:0:99999:7:::    f:j:17930:0:99999:7:::    b:k:17930:0:99999:7:::    r:l:17930:0:99999:7:::    g:m:17930:0:99999:7:::    n:n:17930:0:99999:7:::    o:x:17930:0:99999:7:::    p:y:17930:0:99999:7:::    s:d:17930:0:99999:7:::    c:e:17930:0:99999:7:::    w:f:17930:0:99999:7:::    d:g:17930:0:99999:7:::    t:o:17930:0:99999:7:::    h:p:17930:0:99999:7:::    m:q:17930:0:99999:7:::    k:u:17930:0:99999:7:::    i:v:17930:0:99999:7:::    y:r:17930:0:99999:7:::    j:s:17930:0:99999:7:::    u:t:17930:0:99999:7:::    underscore:z:17930:0:99999:7:::
    28 password hashes cracked, 0 left
