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Нашёл 3 млн ответов for 'innovative teaching methods UNION ALL SELECT NULL,NULL,NULL,NULL,NULL-- awRQ'.

Microsoft Word - Blindfolded SQL Injection - Final.doc
Once the NULL-based UNION statement works, it is a trivial process to identify the types of each column. In each iteration a single field is tested for its type. All three types (number, integer, string) are tested for the field, one of them should work. This way, it takes up to three times the number of...

http://injection.rulezz.ru/Blindfolded_SQL_Injection.pdf

Advanced SQL Injection
Getting started Background Basic Attack Methods. I am NOT going to teach you the basics of SQL I am NOT going to teach you the basics of SQL By default union tries to get records with distinct. 2. Use NULL in UNION injections for most data type instead of trying to guess string, date, integer.

https://repo.zenk-security.com/Techniques%20d.attaques%20%20.%20%20Failles/Advanced%20SQL%20Injection.pdf

Microsoft Word - Blindfolded SQL Injection - Final.doc
This type of NULL injection serves two purposes. The main purpose is to get a working UNION statement that has no errors. Although this UNION still does not retrieve any real data, it provides an indication that the statement indeed works.

https://www.imperva.com/docs/IMPERVA_HII_blind-sql-injection-attacks.pdf

Nulls Make Things Easier?
NULL represents unknown, not applicable, or unassigned. It has no data type, so comparing it to xed values always returns NULL. WITH ordertest AS ( SELECT NULL UNION ALL SELECT 2 UNION ALL SELECT 1 UNION ALL SELECT NULL.

https://momjian.us/main/writings/pgsql/nulls.pdf

Null Session Enumeration from a
Null Session Enumeration from a Windows-Based System. The first step in enumerating CIFS/SMB is to connect to the service using the Exercise 1: Creating a null session from your Windows attack system: 1. From a Windows attack system command shell, type the...

https://www.utc.edu/center-academic-excellence-cyber-defense/pdfs/4660-lab4.pdf

Microsoft Word - Inserting NULL values into a table and...
select * from Employee1; -- Employee1 table does NOT have FK constraint superssn to PK ssn, so any value including NULL or ' ' will be accepted but So space ' ' will be inserted but this is not taken as NULL by server, so IS NULL query would not select those tuple !

http://cis.csuohio.edu/~sschung/cis430/HandlingNULLvalues.pdf

1'))) UNION ALL SELECT NULL, Concatenated SQL query#...
ORDER BY clause brute-forcing NULL brute-forcing Sequential number brute-forcing. The number of columns in the SELECT statement is fewer than the number of columns that you want to inject. Front Range OWASP Conference, Denver (USA).

https://www.owasp.org/images/e/ed/SQLinjectionNotOnly.pdf

OWASP Backend Security Project 1.0beta
InitialContext context = null; DataSource dataSource = null; Connection connection = null If the use a strong authentication method is needed, java provides the SASL SELECT NULL grantee, username granted_role FROM dba_users WHERE username...

https://owasp.org/www-pdf-archive/OWASP_Backend_Security_Project_1.0beta.pdf

SQL Injection
1234' and account=NULL; -- For mysql, there must be white space after --. You are identified as name userid. – We know account is a valid field name, because. 1234' and acct=NULL; --Unknown column 'acct' in 'where clause'. – Gives a different message. Introduction. Some Attack Strings.

https://www.cs.montana.edu/courses/csci476/topics/sql_injection.pdf

A name for the null pointer: nullptr (revision
Two null pointer values of the same type shall compare equal. The conversion of a null pointer constant to a pointer to cv-qualified type is a single conver-sion, and not the sequence of a pointer conversion followed by a qualification conversion (conv.qual).

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2431.pdf