![]() ![]() Here is the code signing information for the app bundle sample. doc without special characters, Microsoft Word is called to open the app bundle as a document but since it is not a valid document, the app fails to open it. ![]() The operating system sees the app bundle as an unsupported directory type, so as a default action the “open” command is used to execute the malicious app. In this case, the preceding character is the general character ".", so the variation selector does not change the visual appearance. ![]() "U+FE00" is a special Unicode control character with name variation selector-1, which provides the visual appearance of a CJK compatibility ideograph. According to UTF-8 mapping, the related Unicode code is "U+FE00". ![]() The 3 bytes "efb880" is in UTF-8 encoding.
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