viruses and worms

virus

malware that can reproduce itself

how do viruses reproduce

fiel ysstems or network

can viruses not cause probelms

yes

program virus

part of the application

boot secotr virus

runs auto when the system is booting

script virus

os and browser ased

macro virus

common in microfost office

fieleless virus

avoids anti-virus detection

doesn’t use any files stored in storaeg systems

doesn’t write any malicious software or code

why cant fileless viruses be detected by antivirus

antivirus checks for any new malicious code and fileless viruses dont add any malicious code

where does a fileless virus oeparte

memory

never installed in a file or app

worms

malware that self replicates

doesn’t need you to do anything and uses the network as a transmission medium

self-propagates and spreads quickly

how can we mitigate against worm infestations

firewalls and ids/ips detect for worms but doesn’t help much once the worm gets inside

how common is a worm

rare