View source for Gc

__gc is an RCE vulnerability which existed from 200X-2009, any code that's ran on __gc has no security context implemented onto it allowing attackers to run code on the server level.
== Tutorial ==
To patch __gc, follow these steps

* Open x32dbg
* Go to the symbols tab and open the RobloxPlayerBeta.exe <small>(or RobloxApp.exe)</small> module
* Right click on the disassembler and then Search for -> Current Module -> String References and search for__gc <small>(there should be 12 results but they're all the same thing, just open the first one)</small>
* If you see <code>call roblox.675A20</code> double click it and you should land on a <code>push ebp</code> instruction with jne at the bottom
* Replace JNE with JMP
* Patch the file
[[Category:Guides]]