import idc
import ida_bytes
import ida_funcs

start_ea = get_segm_start(here())
end_ea   = get_segm_end(here())

ea = start_ea
while ea < end_ea and ea != BADADDR:
  ea = idc.find_binary(ea, SEARCH_DOWN, "4C 8B D1")
  ida_bytes.del_items(ea)
  ida_funcs.add_func(ea)
  ea += 4