14. The method of claim 10 , wherein the identifying a characteristic feature associated with the machine code comprises determining that the characteristic feature satisfies a rule related to a determined level of feature scarcity.
14. The method of claim 10 , wherein the identifying a characteristic feature associated with the machine code comprises determining that the characteristic feature satisfies a rule related to a determined level of feature scarcity. 15. The method of claim 14 , wherein the determined level of feature scarcity is adjustable to enable identification of more exceptional code characteristics in comparison to more common code characteristics that are more common than the exceptional code characteristics.