Term:Virus

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CNSSI 4009

Virus - Self-replicating, malicious code that attaches itself to an application program or other executable system component and leaves no obvious signs of its presence.

DSS Glossary

Virus - Malicious software. See also Trojan Horse.

GAO-09-232G

Virus - A program that "infects" computer files, usually executable programs, by inserting a copy of itself into the file. These copies are usually executed when the "infected" file is loaded into memory, allowing the virus to infect other files. Unlike the computer worm, a virus requires human involvement (usually unwitting) to propagate.

NIST IR 7298

Virus - A self-replicating program that runs and spreads by modifying other programs or files SOURCE: SP 800-61

NIST SP 800-28v2

Virus - A program that replicates itself by attaching to other programs or files, where it hides until activated.

NIST SP 800-40

Virus - A program designed with malicious intent that has the ability to spread to multiple computers or programs. Most viruses have a trigger mechanism that defines the conditions under which it will spread and deliver a malicious payload of some type.

NIST SP 800-46

Virus - See Computer Virus.

NIST SP 800-47

Virus - A computer program containing a malicious segment that attaches itself to an application program or other executable component.

NIST SP 800-61r1

Virus - A self-replicating program that runs and spreads by modifying other programs or files.

NIST SP 800-61

Virus - A self-replicating program that runs and spreads by modifying other programs or files.

NIST SP 800-82 Final Draft

Virus - A hidden, self-replicating section of computer software, usually malicious logic, that propagates by infecting (i.e., inserting a copy of itself into and becoming part of) another program. A virus cannot run by itself; it requires that its host program be run to make the virus active. [RFC 2828, Internet Security Glossary, May 2000, http://rfc.net/rfc2828.html.]

NIST SP 800-83

Virus - A form of malware that is designed to self-replicate-make copies of itself-and distribute the copies to other files, programs, or computers.