#include <iostream>
#include <fstream>
#include <vector>

// Function for pattern scanning with a mask
uintptr_t FindPattern(const char* data, size_t dataSize, const char* pattern, const char* mask) {
    size_t patternLength = strlen(mask);

    for (size_t i = 0; i < dataSize - patternLength; ++i) {
        bool found = true;
        for (size_t j = 0; j < patternLength; ++j) {
            if (mask[j] != '?' && data[i + j] != pattern[j]) {
                found = false;
                break;
            }
        }

        if (found) {
            return reinterpret_cast<uintptr_t>(&data[i]);
        }
    }

    return 0; // Pattern not found
}

int main() {
    const char* exeFilePath = "your_executable.exe";
    const char* pattern = "\x12\x34\x56\x78"; // Replace with your desired pattern in hex format
    const char* mask = "xxxx"; // 'x' denotes a byte to match, '?' denotes a byte to ignore

    std::ifstream file(exeFilePath, std::ios::binary | std::ios::ate);
    if (!file.is_open()) {
        std::cerr << "Failed to open the executable file." << std::endl;
        return 1;
    }

    std::streampos fileSize = file.tellg();
    std::vector<char> buffer(fileSize);
    file.seekg(0, std::ios::beg);
    file.read(buffer.data(), fileSize);
    file.close();

    uintptr_t foundAddress = FindPattern(buffer.data(), buffer.size(), pattern, mask);

    if (foundAddress != 0) {
        std::cout << "Pattern found at address: " << std::hex << foundAddress << std::endl;
    } else {
        std::cout << "Pattern not found in the executable." << std::endl;
    }

    return 0;
}