Concept virus refers to two different pieces of computer
malware
Malware (a portmanteau of ''malicious software'')Tahir, R. (2018)A study on malware and malware detection techniques . ''International Journal of Education and Management Engineering'', ''8''(2), 20. is any software intentionally designed to caus ...
, each of which has acted as a
proof of concept
A proof of concept (POC or PoC), also known as proof of principle, is an inchoate realization of a certain idea or method in order to demonstrate its feasibility or viability. A proof of concept is usually small and may or may not be complete ...
for a new method of propagation:
*WM/Concept (1995), the first widely known
macro virus
In computing terminology, a macro virus is a virus that is written in a macro language: a programming language which is embedded inside a software application (e.g., word processors and spreadsheet applications). Some applications, such as Micr ...
to spread through Microsoft Word (though not the first macro virus per se)
*
Nimda
The Nimda virus is a malicious file-infecting computer worm.
The first released advisory about this threat (worm) was released on September 18, 2001.
Nimda affected both user workstations ( clients) running Windows 95, 98, NT, 2000, or XP an ...
(2001), named Concept Virus by its author, one of the first multi-vector Windows viruses.
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