Kind of malware and Names for malicious code
We commonly come across the security issues while using PC/Smart phones, we commonly call it as virus attack. here is gist of few terms(very few) what are the terms used to explain kind of threats
malicious code(malware) is mainly classified based on the ability to self replicate
i.e. 1) Self replicating malware
example: Virus, Worms
2) Non-self replicating malware
example: Trojan horse
Non-replicating malware typically hide their presence on computer or its malicious function
We call as Virus if it attaches to itself to running program and start creating damage to victim, it depends on the execution of the host program, at some point of execution Virus hijacks execution of running program and executes the malicious code, which could create panic or cause damage to victim
we call as Worm is program, it will look for victim(computer which is not protected) through network and copies itself to victim and start executing malicious code
we call as Trojan horse program if it is not self replication capacity. this program looks like legitimate program on computer(in disguise of some popular program name example, games, photos etc) once user clicked or executed it thinking that it is legitimate program it start executing malicious code and damage the victim
we call Bot if program/software secretly installed on victim, that listens for remote commands and execute them on victim computer(usually it is done by Trojan horse) group of victimized computers under remote control of a single "bot herder" is a botnet
we call spyware if program collects personal information from victim computer and transmits across network
for good reading
reference:
book by wireless security by
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