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A type of macro virus that cuts and pastes the text of a document in the macro. The macro could be invoked with the Auto-open macro so that the text would be re-created when the document (empty) is opened. The user will not notice that the document is empty. The macro could also convert only some parts of the text in order to be less noticeable.
WordBASIC was a subset of Microsoft QuickBASIC customized for word-processing in Microsoft Word. It was replaced by Visual Basic for Applications (VBA) when Word 97 was released. [1] Contrarily to VBA, WordBasic was not object-oriented but consisted of a flat list of approximately 900 commands. [2]
Office Open XML (OOXML) format was introduced with Microsoft Office 2007 and became the default format of Microsoft Word ever since. Pertaining file extensions include:.docx – Word document.docm – Word macro-enabled document; same as docx, but may contain macros and scripts.dotx – Word template.dotm – Word macro-enabled template; same ...
Like VBA, code written for VSTO is executed by a separate virtual machine (the CLR) which is hosted inside the Microsoft Office applications. However, unlike VBA, where the code is stored in the document file itself, programs written with VSTO are stored in separate CLI assemblies which are associated with the documents by means of custom properties.
However, having the .RTF extension does not guarantee a safe file, since Microsoft Word will open standard DOC files renamed with an RTF extension and run any contained macros as usual. Manual examination of a file in a plain text editor such as Notepad , or use of the file command in a UNIX -like systems, is required to determine whether or ...
The macro virus replaces regular commands with the same name and runs when the command is selected. These malicious macros may start automatically when a document is opened or closed, without the user's knowledge. [2] Once a file containing a macro virus is opened, the virus can infect the system.
This includes adding conditional statements, custom commands such as "open file", "launch website" or "shutdown computer". conversion of a macro to a compressed executable file (".exe") that can run independently, without the need for the software that generated the macro to be present on the user's computer.
Applications (notably compilers) written in these machine-independent macros can then be run without change on any computer equipped with the rudimentary macro compiler. The first application run in such a context is a more sophisticated and powerful macro compiler, written in the machine-independent macro language. This macro compiler is ...