Set Image Base

bool set_image_base()
{
    PEB* peb = reinterpret_cast<TEB*>(__readfsdword(PcTeb))->ProcessEnvironmentBlock;

    /* Set PEB->ImageBaseAddress to the image_copy */
    peb->Reserved3[1] = image_copy;

    /* Set the module's DllBase to image_copy */
    PEB_LDR_DATA* loader_data = reinterpret_cast<PEB_LDR_DATA*>(peb->Ldr);

    if (loader_data->InLoadOrderModuleList.Flink == &loader_data->InLoadOrderModuleList)
        return false;

    LDR_DATA_TABLE_ENTRY* first = reinterpret_cast<LDR_DATA_TABLE_ENTRY*>(&loader_data->InLoadOrderModuleList);

    for (LDR_DATA_TABLE_ENTRY* current = reinterpret_cast<LDR_DATA_TABLE_ENTRY*>(first->InLoadOrderLinks.Flink);
        current != first; current = reinterpret_cast<LDR_DATA_TABLE_ENTRY*>(current->InLoadOrderLinks.Flink))
    {
        try
        {
            if (current->DllBase == image_base)
            {
                unsigned long protection;
                VirtualProtect(current, sizeof(LDR_DATA_TABLE_ENTRY), PAGE_EXECUTE_READWRITE, &protection);

                current->DllBase = image_copy;
            }
        }
        catch (...)
        {
            continue;
        }
    }
    return true;
}