YSoNet
A .NET deserialization research tool with an interactive wizard and command-line interface.
Development documentation / v2026.9.2
Download YSoNet | Quick reference | About the logo
Find a module
Section titled “Find a module”Browse 62 gadgets and 14 plugins. Filter by name, formatter or keyword. Check module requirements and runtime evidence before use.
Install and run
Section titled “Install and run”Windows and .NET Framework 4.7.2 or newer 4.x are required.
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Extract the whole archive. Keep the DLLs, configuration files, and subfolders together.
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Open PowerShell in that folder and start the wizard:
Terminal window .\ysonet.exe -i
Full installation guide | Moving from ysoserial.net
Verify your download and check the runtime evidence for tested results.
Research with the archive
Section titled “Research with the archive”Use the archived Markdown to search sources, compare findings, and give an AI assistant focused reading material. Read the research guide.
Support YSoNet
Section titled “Support YSoNet”Support YSoNet's maintenance and AI-assisted security research with a one-time donation or monthly sponsorship. Individuals and companies are welcome.
Sponsor YSoNet on GitHub. Thank you for your support.