Polymorphic code

（重定向自Polymorphic virus）

In computer terminology, polymorphic code is code that uses a polymorphic engine to mutate while keeping the original algorithm intact. That is, the code changes itself each time it runs, but the function of the code (its semantics) will not change at all. For example, 1+3 and 6-2 both achieve the same result while using different code. This technique is sometimes used by computer viruses, shellcodes and computer worms to hide their presence.

单词	Polymorphic virus
释义	Polymorphic virus 英语百科 Polymorphic code （重定向自Polymorphic virus） In computer terminology, polymorphic code is code that uses a polymorphic engine to mutate while keeping the original algorithm intact. That is, the code changes itself each time it runs, but the function of the code (its semantics) will not change at all. For example, 1+3 and 6-2 both achieve the same result while using different code. This technique is sometimes used by computer viruses, shellcodes and computer worms to hide their presence.
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