Update README.md

Author: Y4er

README.md

@@ -92,6 +92,8 @@
 - [Pwning 3CX Phone Management Backends from the Internet](https://medium.com/@frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88)
 - [HITCON 2023 x DEVCORE Wargame: My todolist Write-up](https://devco.re/blog/2023/09/18/hitcon-2023-devcore-wargame-my-todolist-writeup/)
 - [FINDING DESERIALIZATION BUGS IN THE SOLARWIND PLATFORM](https://www.zerodayinitiative.com/blog/2023/9/21/finding-deserialization-bugs-in-the-solarwind-platform)
+- [Exploiting Hardened .NET Deserialization: New Exploitation Ideas and Abuse of Insecure Serialization（神仙文章）](https://github.com/thezdi/presentations/blob/main/2023_Hexacon/whitepaper-net-deser.pdf)
+
 
 # 关于