function to obtain the corresponding Chinese characters.
After learning about the above two points, Do you think Chinese Guesses are actually similar to English? Except for the functions used, you must note that the scope of the solution is larger, and the method is similar.
High Level
After reading the introductory and advanced articles, you can practice a little bit to crack common websites. However, if you cannot guess the table name or the p
indicate that it is an administrator
sqlmap.py-u" http://www. Xxx.com/index.asp?id=1 "-D" sqltest "--tables gets all the tables in sqltest, assuming the" admin "Table
sqlmap.py-u" http://www. Xxx.com/index.asp?id=1 "-D" sqltest "-t" admin "--columns Enumerates the fields (column names) of the table admin, assuming there is a" username "," password "field
Sqlmap.py-u "http://www. Xxx.com/index.asp?id=1 "-D" sqltest "-T" admin "-C" Username,password "--dump Download field Use
97 55 34 33 56 39 52 61 30 65The above is the corresponding ASCII code. Let's take a look at the characters corresponding to these values against the ASCII code table, that is, the final MD5.MD5: 7a57a5a743894a0eThen copy the MD5 File above, log on to the site that cracked the MD5 file, and crack it. Finally, the following result is obtained: adminThat is, the content of the password column in the cracked admin table is: adminThen, the Administrator
absolute value. The Chinese characters remain unchanged.
In sqlserver, Chinese ASCII is a positive number, but because it is a unicode dual-bit encoding, the function ASCII () cannot be used to obtain the ASCII code, the function Unicode () must be used to return the Unicode value, use the nchar function to obtain the corresponding Chinese characters.
After learning about the above two points, Do you think Chinese Guesses are actually similar to English? Except for the functions used, you mu
Section III, Chinese processing methods It is common to encounter Chinese characters in injection, and some people want to quit when they encounter Chinese characters. In fact, as long as the Chinese language coding some understanding, "Chinese phobia" can be overcome quickly. Let's start by saying something common: In Access, the ASCII code of the Chinese may appear negative numbers, after removing the negative number with ABS () absolute value, Chi
Advanced Articles
After reading the introductory and advanced chapter, a little practice, crack the general website is no problem. But if you hit the list name, or the program author filters some special characters, how to improve the success rate of injection? How to improve the efficiency of guessing? Please keep looking at the advanced article.
Section one, using system tables to inject
actually similar to English? Except for the functions to be used, the method has a larger scope of guesses.
After reading the introductory and advanced articles, you can practice a little bit to crack common websites. However, if you cannot guess the table name or the program author filters out some special characters, how can you improve the injection success rate? How can we impro
Talking about PHP security and anti-SQL injection, prevent XSS attack, anti-theft chain, anti-CSRF
Objective:
First of all, the author is not a web security experts, so this is not a Web security expert-level article, but learning notes, careful summary of the article, there are some of our phper not easy to find or say not to pay attention to things. So I write down to facilitate later inspection. There
This article is an analysis and summary of a large number of similar articles on the internet, combined with your own experience in the implementation process, many of which are directly cited, do not pay attention to the source, please forgive me)With the development of B/S application development, more and more programmers are writing applications using this mode. However, due to the varying levels and experience of programmers, a considerable number of programmers did not judge the legitimacy
Label:"One, server-side Configuration" Security, PHP code writing is on the one hand, PHP configuration is very critical.We PHP hand-installed, PHP default configuration file in/usr/local/apache2/conf/php.ini, we mostly want to configure the content in PHP.ini, let us execute PHP can be more secure. The security settings throughout PHP are primarily designed to prevent Phpshell and SQL injection attacks, an
With the development of B/S application development, more and more programmers are writing applications using this mode. However, due to the varying levels and experience of programmers, a considerable number of programmers did not judge the legitimacy of user input data when writing code, posing a security risk to the application. You can submit a piece of database query code, RootObtain the expected data according to the results returned by the program. This is the so-called
, including Hypertext Transfer Protocol (HTTP), Simple Mail Transfer Protocol (SMTP), and multi-purpose Internet Mail Extension protocol (MIME ). It also supports a large number of applications from the message system to Remote Process calling (RPC. Here we will not waste any ink. You can use Baidu. On the surface, it does not belong to SQL injection, but it is an interesting attack. Including XML insertion
Label:from:http://www.blackmoreops.com/2014/05/07/use-sqlmap-sql-injection-hack-website-database/0x00 Background Introduction
1. What is SQL injection?SQL injection is a code injection
SQL injection attacks"SQL injection" is an attack method that uses unfiltered/unaudited user input ("cache overflow" is different from this method ), this means that the application should not run the SQL code. If the application creates
valuable to Web application developers and professional security auditors.
I. sqlier
Sqlier can find a URL with the SQL injection vulnerability on the website and generate the SQL injection vulnerability based on the relevant information, but it does not require user interaction. In this way, it can generate a union S
Injection vulnerability generally only two types of operations are ultra vires operation, one is the right to control. The right to power operation is a kind of ultra vires operation, due to the limitations of the exploit itself, some vulnerabilities only support ultra vires operation. The Oracle Classic power-up Operation command is Grant DBA to user (DBA authority for user users). The classic command of ultra vires operation is the select password
After the test, I can continue my penetration journey. Last night, Lucas sorted out the documents of the information security competition in Chengdu this summer. It seems that this is the first time that the competition was held overnight since the first day of the freshman year. The ISCC competition ended on the 10th. It should be okay to go to the Beijing Green League finals during the summer vacation. So during this time, I made a lot of exercises for WEB penetration and Buffer OverFlow, main
Http://www.freebuf.com/articles/web/29942.htmlBrief introductionMany of the real-world attacks on websites are often due to the fact that the site is not updated or the user's input is not checked. From the buffer overflow point of view, such a threat to the vulnerability of the system, the most fundamental problem is that the user's input is not checked. SQL injection, one of the main threats, brings peopl
SQL injection attacksWith the development of B/S application development, more and more programmers are writing applications using this mode. However, due to the varying levels and experience of programmers, a considerable number of programmers did not judge the legitimacy of user input data when writing code, posing a security risk to the application. You can submit a piece of database query code, Root
Obt
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