rule ModifyDLLExportName {
  strings:
    $map_and_load = "MapAndLoad"
    $entry_to_data = "ImageDirectoryEntryToData"
    $rva_to_va = "ImageRvaToVa"
    $modify = "ModifyDLLExportName"
    $virtual_protect = "VirtualProtect"
    $virtual_alloc = "VirtualAlloc"
  condition:
    all of them
}