A polymorphic engine (sometimes called mutation engine or mutating engine) is a computer program that can be used to transform another program into a version that consists of different code with the same functionality. A typical polymorphic engine works by encrypting the target program in various ways and providing a decryption module that can vary widely. Polymorphic engines are mainly used by computer viruses.
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- A polymorphic engine (sometimes called mutation engine or mutating engine) is a computer program that can be used to transform another program into a version that consists of different code with the same functionality. A typical polymorphic engine works by encrypting the target program in various ways and providing a decryption module that can vary widely. Polymorphic engines are mainly used by computer viruses. In this case, the function of the polymorphic engine is to make it difficult for virus scanners to detect and identify the virus. The virus uses the polymorphic engine to encrypt itself in a different way for each program that it infects. As a consequence, it is impossible to detect the virus by searching for a fixed signature in program files, because every part of the encrypted virus is subject to change. The first polymorphic engine was called MtE (short for Mutation Engine). It was written in 1992 by a virus author who called himself 'Dark Avenger'.
- Das MTE oder Mutations Engine ist der erste Polymorphie-Programmgenerator für Computerviren. Das Programm wurde 1992 von dem Hacker Dark Avenger geschrieben und veröffentlicht. Vor der Veröffentlichung des Generators wurden die meisten Viren durch Check-Summen von Antiviren-Programmen entdeckt. Jedoch machte die Mutations-Engine es möglich, dass selbst Viren von Anfängern stark polymorph waren. Dadurch entstand ein großes Problem für Hersteller von Antiviren-Software, da neue Erkennungsmethoden entwickelt werden mussten. Einige Hersteller konnten diese nicht entwickeln und stellten daher die Weiterentwicklung ihres Virenscanners ein.
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- A polymorphic engine (sometimes called mutation engine or mutating engine) is a computer program that can be used to transform another program into a version that consists of different code with the same functionality. A typical polymorphic engine works by encrypting the target program in various ways and providing a decryption module that can vary widely. Polymorphic engines are mainly used by computer viruses.
- Das MTE oder Mutations Engine ist der erste Polymorphie-Programmgenerator für Computerviren. Das Programm wurde 1992 von dem Hacker Dark Avenger geschrieben und veröffentlicht. Vor der Veröffentlichung des Generators wurden die meisten Viren durch Check-Summen von Antiviren-Programmen entdeckt. Jedoch machte die Mutations-Engine es möglich, dass selbst Viren von Anfängern stark polymorph waren.
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