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ExtendScript is a scripting language and an associated toolkit developed by Adobe Systems, intended for use with Creative Suite and Technical Communication Suite products. It is a dialect of the ECMAScript 3 standard and therefore similar to JavaScript and ActionScript.
CMake is cross-platform, free, and open-source software for build automation, testing, packaging and installation of software by using a compiler-independent method.
ELF is short for Executable and Linkable Format. It’s a format used for storing binaries, libraries, and core dumps on disks in Linux and Unix-based systems.
Moreover, the ELF format is versatile. Its design allows it to be executed on various processor types. This is a significant reason why the format is common compared to other executable file formats.
HTTP (Hypertext Transfer Protocol) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems.
LLVM is designed around a language-independent intermediate representation (IR) that serves as a portable, high-level assembly language that can be optimized with a variety of transformations over multiple passes.
M3U (MP3 URL or Moving Picture Experts Group Audio Layer 3 Uniform Resource Locator in full) is a computer file format for a multimedia playlist. Careless handling of M3U playlists has been the cause of vulnerabilities in many music players such as VLC media player, iTunes, Winamp, and many others.
The Nmap Scripting Engine (NSE) allows users to write (and share) simple scripts (using the Lua programming language ) to automate a wide variety of networking tasks.
PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.
Requires php.ini option allow_url_include to be enabled
Portable Executable (PE)
Portable Executables are an executable format used in Windows and other platforms. There are different types of PEs which are noted. These are treated as distinct from the UEFI App category even though PEs can run on UEFI. See UEFI App for more info. The types are split further into 32-bit specifically, 64-bit compatible, and 64-bit specifically, since they present different challenges.
Python is a high-level, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation.
In Python, .pyc files are compiled bytecode files that are generated by the Python interpreter when a Python script is imported or executed. They can also be executed as standalone programs.
A QR code, quick-response code, is a type of two-dimensional matrix barcode invented in 1994 by Masahiro Hara of Japanese company Denso Wave for labelling automobile parts.
Uses the PS1 to download the file every time the shell starts up. Could technically be 0 bytes but we are counting based on the total size of the oneliner. It could also be counted as 38 bytes due to the addition to the .bashrc.
Scalable Vector Graphics is an XML-based vector image format for defining two-dimensional graphics, having support for interactivity and animation. The SVG specification is an open standard developed by the World Wide Web Consortium since 1999.
UEFI Apps are executables that run on UEFI firmware. They are responsible for low level setup and hardware configuration before your main Operating System boots. There are two executable types that can run on UEFI, the PE (Portable Executable) or the TE (Terse Executable). There is also limited scripting capabilities depending on the platform.
0 byte files have historically not been allowed, but that caveat wasn't included in this years challenge page. 0 byte entries are listed here just because the tricks are interesting.
