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To change and restructure in multiple ways, so as to show a different signature and thus avoid detection.

For instance, if you link-edit a large group of object modules, their order is not 100% critical as long as they're accessed at the proper entry point. So malware that changes the hash and the signature of the executable this way as part of its operation can be said to be polymorphic.

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14y ago
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11y ago

Polymorphism, in regard to malware, is the process of the malware program changing itself while it is executing. Polymorphism makes it harder for antivirus software that rely on signature-based detection schemes to detect the malware.

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11y ago

Polymorphic and metamorphic viruses are both self-replicating and "shape-shifting" malware. When they infect a computer, they replicate as normal. The only difference between the copies is that they are not the same. When a polymorphic/metamorphic virus replicates, they encrypt themselves and slightly change their code as to confuse antivirus software. The decryption key is built into the virus so that they can decrypt and deliver the payload to the infected computer. The difference between polymorphic and metamorphic viruses is the that metamorphic rewrites with each iteration so that each succeeding version of the virus is a little bit different from the preceeding one. Polymorphic viruses also make changes to its code to avoid detection, but one part remains the same as the iteration, which makes the virus a little bit easier to identify. So in conclusion, metamorphic viruses are more complex than polymorphic viruses because they can encrypt and adapt better.

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13y ago
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Q: What is polymorphic regarding malware?
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Related questions

19. Polymorphic refers to a malware's ability to?

adapt to script , hide in programs and slip through or under walls


Which virus can change its own code?

polymorphic


When was Polymorphic Programming Language created?

Polymorphic Programming Language was created in 1969.


What is a Polymorphic virus?

A polymorphic virus is a type of malware that can change its code to avoid detection by antivirus software. It does this by encrypting or obfuscating its code in a way that it appears different each time it infects a new system. This makes it difficult for traditional signature-based detection methods to identify and remove the virus.


What is the definition of polymorphic?

Polymorphous.


When was Polymorphic simple sequence repeats database created?

Polymorphic simple sequence repeats database was created in 2010.


Are shapeshifters polymorphic because they can change form?

Yes. Shapeshifters are polymorphic because they can change into any form they want to.


What is the name of the polymorphic virus outbreak?

There have been several polymorphic virus outbreaks. In 1991, the Tequila virus was the cause.


What is name of the polymorphic virus outbreak in 1991?

the answer Tequila is the name of the outbreak in 1991


What is the name of the polymorphic virus in 1991?

The polymorphic virus in 1991 was called the Tequila virus. It was one of the first viruses to utilize polymorphic code to change its appearance with each infection, making it harder to detect and remove.


As a virus replicates it changes its characteristics?

polymorphic


An example of a polymorphic trait?

Blood type