ZMist (computer virus)
Encyclopedia
Zmist is a metamorphic
computer virus
created by the Russian virus writer known as Zombie. It was the first virus to use a technique known as "code integration". In the words of Ferrie and Ször:
Metamorphic code
In computer virus terms, metamorphic code is code that can reprogram itself. Often, it does this by translating its own code into a temporary representation, editing the temporary representation of itself, and then writing itself back to normal code again. This procedure is done with the virus...
computer virus
Computer virus
A computer virus is a computer program that can replicate itself and spread from one computer to another. The term "virus" is also commonly but erroneously used to refer to other types of malware, including but not limited to adware and spyware programs that do not have the reproductive ability...
created by the Russian virus writer known as Zombie. It was the first virus to use a technique known as "code integration". In the words of Ferrie and Ször:
This virus supports a unique new technique: code integration.
The Mistfall engine contained in it is capable of
decompiling Portable Executable files to [their] smallest
elements, requiring 32 MB of memory. Zmist will insert
itself into the code: it moves code blocks out of the way,
inserts itself, regenerates code and data references, including
relocation information, and rebuilds the executable.