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Converting A Mysql Injection Script For Use In Microsoft Sql Server
By Lucas Green
MySQL Server is the most widely used database management system in the world, primarily because it is open source and free. Hence, most databases you may get from outside sources will probably be in the form of a MySQL injection script. This is fine if you use MySQL for your own website databases, but if you use Microsoft SQL Server the will require a little editing before it will work.
The first thing you'll need to do is remove any comment lines from the script. MySQL comment lines begin with a pound character ("#") and MSSQL comment lines begin with a double dash ("--"), which makes them completely incompatible and will product a syntax error if you try to import a MySQL injection as-is into MSSQL Server. So to get started, open up Query Analyzer if you haven't already (the easiest way to run scripts in MSSQL Server), load up the injection you are working with, and remove any comment lines (look for the pound symbol). It is easier just to remove them than it is to try and convert them to propery MSSQL syntax, and they are just comment lines anyway so it won't affect anything.
The bulk of your will most likely be a series of INSERT statements, and these aren't very different in MSSQL as compared to MySQL. However, your may also include at the beginning a small section that creates the database table where the data will be inserted, and this CREATE TABLE statement is likely to be VERY different in MSSQL, depending on how complicated it is (there could be primary and secondary keys, constraints, even triggers -- the more of these the more the syntax changes from MySQL to MSSQL). Since this is likely to give you the most trouble, it is recommended that you create the database tables manually in Enterprise Manager rather than trying to convert the syntax of the snippet. Looking at the code, you should be able to easily identify the fields and their types (such as int, varchar, text, etc). Once you have the database table created in Enterprise Manager, delete the snippet of code from the injection that deals with the creation of the table.
Now all that remains is to convert the INSERT statements to the proper syntax for MSSQL Server. There are a few different steps to accomplish this, but none of them are very complicated. The first difference in syntax between MySQL and MSSQL is that in MySQL, all statements must end with a semicolon (";"). In MSSQL, this is a syntax error. The easiest way to remove these semicolons is to do a search and replace, and since the INSERT statements should be passing a series of values for each record of data, each line of the MySQL will most likely end with a paranthesis and semicolon (");"). So, do a search and replace and replace all instances of ");" with just the parenthesis ")".
Another difference that you will have to correct for is that your MySQL injection will most likely use an acute accent / reverse apostrophe (ANSI character 180) around the table name on each line. In MSSQL Server, you can encapsulate an object's name (such as a table's) with either square brackets ("[" and "]") or nothing at all. However, you probably don't
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