Have putty connection.
Putty config :
window-->translation-->remote character set-->utf-8
Launch command line MySQL
client.
Perform insert with cyrillic like:
CREATE TABLE `category` (
`catName` varchar(40) NOT NULL DEFAULT '',
PRIMARY KEY (`catName`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
insert into category(catName) values ('абвгдйка');
The result is that corrupted cyrillic symbols inserted into DB.