/filename=.*\..{1,4}\.(exe|com|bat|lnk|pif|vbs)/
   REJECT
/^TVqQAAMAAAAEAAAA\/\/8AALgAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA$/
   REJECT Keep your executables!
/^RSLxwtYBDB6FCv8ybBcS0zp9VU5of3K4BXuwyehTM0RI9IrSjVuwP94xfn0wgOjouKWzGXHVk3qg$/
   DISCARD Keep your viruses (sobig.f)