通过hook方式获取密码passwordhook是一个WindoowspasswordfilterDLL.加强系统密码安全性。Thismeansthatifregisteredintheregistry,andthecorrectdomainsecuritypolicyisenabled,thenthisdllwillbenotifiedwheneverausertriestochangetheirpassword.Thisallowsexternaluseraccountdatabasestobekeptinsynchwithwindows.The