Unix trioyans and Customer Security

Oh, sorry, we should excuse to Exodus for exploiting their name in this subject. Real subject should have name 'Unix troyans' --- Aleksei Roudnev, Network Operations Center, Relcom, Moscow (+7 095) 194-19-95 (Network Operations Center Hot Line),(+7 095) 239-10-10, N 13729 (pager) (+7 095) 196-72-12 (Support), (+7 095) 194-33-28 (Fax)