scripting/ServerLagExploitFix_3_7_2020.sp at main · BloodyBlade/scripting · GitHub

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#include <sourcemod>

public Plugin:myinfo =
{
	name = "[CSGO] Server Lag Exploit Fix [3/7/2020]",
	author = "backwards",
	description = "Fixes an exploit attackers can use to cause the server to stutter.",
	version = SOURCEMOD_VERSION,
	url = "http://www.steamcommunity.com/id/mypassword"
}

public OnPluginStart()
{
	new Address:addy = GameConfGetAddress(LoadGameConfigFile("LagExploitFix_3_7_2020"), "InvalidReliableState");

	if (GetEngineVersion() == Engine_CSGO)
	{
		new OS = LoadFromAddress(addy + Address:1, NumberType_Int8);
		switch(OS)
		{
			case 0x89: //Linux
			{
				//Force Client Exploit To Happen
				//StoreToAddress((addy + Address:0x3F3), 0x87, NumberType_Int8);

				//Patch Exploit
				for(int i = 0;i<36;i++)
					StoreToAddress((addy + Address:0x9E8 + view_as<Address>(i)), 0x90, NumberType_Int8);
			}
			case 0x8B: //Windows
			{
				//Force Client Exploit To Happen
				//StoreToAddress((addy + Address:0x731), 0x87, NumberType_Int8);

				//Patch Exploit
				for(int i = 0;i<28;i++)
					StoreToAddress((addy + Address:0x85F + view_as<Address>(i)), 0x90, NumberType_Int8);
			}
			default:
			{
				SetFailState("InvalidReliableState Signature Incorrect. (0x%.2x)", OS);
			}
		}
	}
}