From 24ca502e3af452603ed191948e5ece016e2204b2 Mon Sep 17 00:00:00 2001
From: DrFrugal <drfrugal@vmi2238186.contaboserver.net>
Date: Mon, 30 Dec 2024 18:42:10 +0100
Subject: init

---
 Hook/Hook.cpp | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 Hook/Hook.cpp

(limited to 'Hook/Hook.cpp')

diff --git a/Hook/Hook.cpp b/Hook/Hook.cpp
new file mode 100644
index 0000000..201bede
--- /dev/null
+++ b/Hook/Hook.cpp
@@ -0,0 +1,52 @@
+#include "pch.h"
+#include <Windows.h>
+#include <detours.h>
+#include <string>
+#include <fstream>
+#include <intrin.h>
+
+int cvarCallIndex = 0;
+FILE* csvFile;
+
+std::string handleString(char* input)
+{
+	if (input == 0) return ""; // return empty string if it was a nullptr
+	std::string replacement = input;
+	std::size_t found = replacement.find("\"");
+	while (found != std::string::npos) { // escape double quotes by doubling them
+		replacement.replace(found, 1, "\"\"");
+		found = replacement.find("\"", found + 2);
+	}
+	return replacement;
+}
+
+void* CVar__Register = (void*)0x00767fc0;
+UINT32 __cdecl CVar__Register__Hook(char* name, char* description, UINT32 flags, char* defaultValue, PVOID callback, UINT32 category, BYTE saveToWTF, UINT32 param_8, BYTE param_9)
+{
+	void* callAddress = (void*)((uintptr_t)_ReturnAddress() - 5); // subtracting the length of a CALL instruction to find out where we have been called from
+	fprintf_s(csvFile, R"(%s"%i", "%p", "%s", "%s", "%i", "%s", "%p", "%i", "%hhu", "%i", "%hhu")", "\n", cvarCallIndex, callAddress, handleString(name).c_str(), handleString(description).c_str(), flags, defaultValue, callback, category, saveToWTF, param_8, param_9);
+	cvarCallIndex++;
+	return ((decltype(&CVar__Register__Hook))CVar__Register)(name, description, flags, defaultValue, callback, category, saveToWTF, param_8, param_9);
+}
+
+BOOL APIENTRY DllMain(HMODULE hModule, DWORD  ul_reason_for_call, LPVOID lpReserved)
+{
+	if (DetourIsHelperProcess()) return TRUE;
+	switch (ul_reason_for_call)
+	{
+	case DLL_PROCESS_ATTACH:
+		fopen_s(&csvFile, "CVar__Register_calls_3.3.5.12340.csv", "w");
+		if (csvFile == 0) return -1;
+		fprintf_s(csvFile, R"("Index", "Call Address", "Name", "Description", "Flags", "Default Value", "Callback Address", "Category", "Save To WTF", "param_8", "param_9")");
+		DetourRestoreAfterWith();
+		DetourTransactionBegin();
+		DetourUpdateThread(GetCurrentThread());
+		DetourAttach(&CVar__Register, CVar__Register__Hook);
+		if (DetourTransactionCommit() != NO_ERROR)  MessageBoxA(NULL, "DetourAttach failed", "error", 0);
+		break;
+	case DLL_PROCESS_DETACH:
+		fclose(csvFile);
+		break;
+	}
+	return TRUE;
+}
-- 
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