dnSpy v6.4.0，NET程序集反编译及调试工具

导读

dnSpy，堪称.NET反编译神器。它是由ILSpy发展而来的免费开源的基于.NET语言的反编译与调试工具，用于实现.NET程序集逆向工程，可以对.NET开发的EXE和Dll程序集反编译为C#源码，支持断点调试和编辑C#代码，该项目包含反编译器，调试器、代码编辑器等功能，可以通过编写扩展插件的形式轻松实现功能扩展。该工具使用的dnlib读取和写入程序集，可以处理包含混淆代码的程序（如恶意程序）而不会崩溃。

介绍

dnSpy，堪称.NET反编译神器。它是由ILSpy发展而来的免费开源的基于.NET语言的反编译与调试工具，用于实现.NET程序集逆向工程，可以对.NET开发的EXE和Dll程序集反编译为C#源码，支持断点调试和编辑C#代码，该项目包含反编译器，调试器、代码编辑器等功能，可以通过编写扩展插件的形式轻松实现功能扩展。该工具使用的dnlib读取和写入程序集，可以处理包含混淆代码的程序（如恶意程序）而不会崩溃。

软件截图

软件特点

无需源代码，调试.NET程序，支持.NET Core平台；
编辑C#或IL代码，编辑所有元数据类，可扩展性高；
1、程序集代码编辑器（C# / Visual Basic）
2、反编译器、编译器（C# / Visual Basic）
3、调试器工具（.NET调试引擎，C# / Visual Basic语言）
4、BAML反汇编器（C#交互，支持多种语法代码风格）
5、HEX十六进制编辑器

运行要求：
dnSpy NET版本，需要 .NET Framework 4.7.2 或更高版。
dnSpy Core版本，不依赖于 .NET Framework 框架组件
Windows 7 操作系统必须安装KB2999226, KB2533623

更新日志

New features:

• All distributions of dnSpyEx now support resolving Windows shortcut files (*.lnk) when they are dragged onto the assembly explorer.
• Extended the export to project feature by adding support for unpacking multi-element resources back to .resx source files
• Introduce two additional options to the Save Module dialog. (AddMvidSection and ForceBigColumns)
• Added a new menu command to copy the full name of any metadata member.
• Add support for horizontal scrolling with the shift key in the text and hex editors.
• Add support for multiline copy and paste to the text editor.
• Added support for .url shortcut files and modified the code to recursively resolve shortcuts until a target file is reached.
• ILSpy Decompiler:
  • Display custom attributes defined on interface implementations in the IL disassembly
  • Add IL with C# decompiler language which annotates the IL disassembly with comments showing the higher level C# statements above the IL code responsible for them.
  • Show field initial value for simple primitive types in a comment located above the field declaration.
  • Added a new decompiler option to disable the insertion of unnecessary parenthesis.
• Reworked BAML disassembler:
  • Heavily improved syntax highlighting and other editor features like indent guides and brace pair highlighting.
  • Add local jump to reference for BAML attribute, type, etc. declaration records.
  • Add support for dnSpy’s number tooltips in the disassembler.
  • Introduce tooltips for type, assembly, property, and resource references.
  • Improved performance and memory efficiency.

Improvements and bug fixes:

• Fixed regular non-publish .NET 6 debug and release dnSpy builds, they no longer crash on startup and now also use the correct x86 icon when applicable.
• Fixed a commonly occurring NullReferenceException when editing event definitions using the assembly editor component.
• Improved Chinese translation by
• Fixed incorrect handling of __arglist parameter in the Edit in C#/Edit in VB options.
• Fix incorrect display of VarArg and NativeVarArg in the signature editing dialog.
• Properly handle Unmanaged calling convention across the dnSpyEx code base.
• Fixed incorrect escaping behavior when displaying strings found in embedded resources.
• Refresh search results when the scope of the search operation is changed (e.g. a different file is selected and the search mode is set to the selected file)
• Fixed C# and VB tooltips for types with uninstantiated generic parameter signatures.
• Escape Hangul Filler characters and other similar whitespace characters that were previously not escaped across the dnSpyEx UI.
• Use reference assemblies for the compiler in the Edit in C#/Edit in VB options to fix issues with incorrect assembly references being emitted when editing .NET Standard or .NET Core assemblies.
• Added a workaround for a bug in WPF WindowChromeWorker that caused OverflowException to be thrown for invalid hittest window messages.
• Correctly set the available options based on the window state in the Windows Alt + Space menu.
• Improved .NET Standard assembly resolution to prioritize exact version match over the latest available version.
• Fixed a bug that resulted in the ability of the user to infinitely scroll horizontally.
• Fix an issue in the new RESX writer which resulted in incorrectly generated RESX for resources with user serialized types.
• ILSpy Decompiler:
  • Fixed multiple NRE’s that occurred when decompiling heavily obfuscated property metadata.
  • Fixed an issue that caused incorrect dynamic types to be introduced for method parameters.
  • Improved type inference for calli instructions as well as stores to readonly auto-properties.
  • Fixed several issues relating to the decompilation of member names containing a . character.
  • Display custom attributes in the same order that they appear in metadata by default.
  • Improved performance and memory efficiency.
• Debugger:
  • Fixed certain expressions in the Watch and Locals window being incorrectly syntax highlighted.
  • Fixed a bug that prevented the Show Raw Locals option from working when the Roslyn EE failed to initialize due to invalid metadata.
  • Fixed a bug that prevented the DebuggerDisplayAttribute evaluator from working as intended.
  • Several improvements to the built-in IL interpreter and function evaluator aimed at improving performance and accuracy.
  • Fixed type name parsing issues which lead to the debugger incorrectly resolving custom attributes, security declarations, and some marshal blobs.
  • Improve the Show in memory command for objects in the locals and watch windows.
  • Improve the display of method names in the Call stack window. __arglist, dynamic, nint, nuint and tuple element names are now properly displayed.
  • Added an anti-anti-debug option to prevent the malicious use of NtRaiseHardError to trigger kernel faults (blue screens of death).
  • Added an anti-anti-debug option to prevent the detection of the debugger using a call to CloseHandle with an invalid handle.
  • Update Roslyn debugger intrinsic handling to match what is expected by Roslyn 4.6.0
  • CorDebug:
    • Improved loading of dynamic modules (fixed issues with thread safety and added code to fetch more metadata from the CorDebug API)
    • Fallback to COM-based metadata reading when the in-memory metadata is corrupted (e.g. anti-dumping protection)
    • Display COM error code when the debugger fails to start.
    • Made the timeout for CoreCLR debugger initialization configurable.
    • Display the HRESULT when attaching the CoreCLR debugger fails.
    • Improve support for debugging of single file bundle files which do not contain the required debugging components by trying to load them from the locally installed .NET installations.
  • Mono:
    • Improved loading of obfuscated modules when debugging
    • Fixed several issues related to the resolution of method definitions on newer debugger protocol versions
    • Fixed an unhandled AggregateException when connecting to a Unity debuggee
    • Display the IP and port used to connect to the debuggee in the output window.
    • Improve loading of metadata from in-memory modules.
• BAML decompiler:
  • Fixed resolution of PresentationFramework when it was referenced using its special ID 0xFFFF.
  • Lazily resolve known XAML types, properties, and other members to increase performance.
  • Improve extraction of BAML connection ID information to work without all dependency assemblies and in other edge cases.
  • Fixed an issue that resulted in dnSpy introducing markup extensions in cases where they were not syntactically valid.
  • Properly place markup extension arguments containing spaces in single quotes.
  • Fix issues regarding incorrect or missing escaping from markup extensions.
  • Fixed crashes caused by the UI’s WPF markup extension parser when it encountered invalid syntax.
  • Fix a bug that caused XAML paths to lack a Z character at the end.
  • Improved support for markup extensions where their classes inherit from generic classes.
  • Improved support for nested types within XAML markup extensions.

Dependency updates:

• Updated Rosyn compiler to 4.6.0
• Updated VS MEF to 17.6.17
• Updated Newtonsoft.Json to 13.0.3
• Updated Iced to 1.19.0

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