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A decompiler is a computer program that translates an executable file back into high-level source code. Unlike a compiler , which converts high-level code into machine code, a decompiler performs the reverse process.
It supports a variety of executable formats for different processors and operating systems. It can also be used as a debugger for Windows PE, Mac OS X Mach-O, and Linux ELF executables. A decompiler plug-in, which generates a high level, C source code-like representation of the analysed program, is available at extra cost. [4] [5]
The decompiler component is written in C++, and is therefore usable in a stand-alone form. [ 7 ] Scripts to perform automated analysis with Ghidra can be written in Java or Python (via Jython ), [ 8 ] [ 9 ] though this feature is extensible and support for other programming languages is available via community plugins. [ 10 ]
Techniques used to accomplish this are decompiling, disassembling, and reverse engineering the binary executable. This approach typically does not result in the exact original source code but rather a divergent version, as a binary program does not contain all of the information originally carried in the source code.
.NET Reflector is a class browser, decompiler and static analyzer for software created with .NET Framework, originally written by Lutz Roeder. MSDN Magazine named it as one of the Ten Must-Have utilities for developers, [1] and Scott Hanselman listed it as part of his "Big Ten Life and Work-Changing Utilities".
The line-oriented debugger DEBUG.EXE is an external command in operating systems such as DOS, OS/2 and Windows (only in 16-bit/32-bit versions [1]).. DEBUG can act as an assembler, disassembler, or hex dump program allowing users to interactively examine memory contents (in assembly language, hexadecimal or ASCII), make changes, and selectively execute COM, EXE and other file types.
A disassembler differs from a decompiler, which targets a high-level language rather than an assembly language. Assembly language source code generally permits the use of constants and programmer comments. These are usually removed from the assembled machine code by the assembler. If so, a disassembler operating on the machine code would ...
Binary Ninja's user interface is built using Qt and comprises several components such as a symbol list, a cross-reference window, and disassembly views (both linear and graph-based), a mini-graph, and a feature map.