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Awesome StuffCyber Security

Tyler HooverAuburn University

Malware

What is Malware?

Why is malware used?

Who uses malware?

What is most common type?

How do you fight it?

Types of malware

Viruses

Worms

Trojan Horses

Rootkits

Ransomware

Botnets

Spyware KeyLoggers

Adware

Viruses

Main purpose is replication to infect multiple subsystems or programs on an infected machine.

Defining feature of virus is self-replication and installation without user consent.

Polymorphic Viruses

Windows is the most targeted.

Big name Viruses: Love Letter Virus Pikachu Virus Sasser Virus

Worms

Replicate in order to infect.

Difference between worms and viruses?

Big name bugs: Morris Mydoom Conficker Welchia

Trojan Horses

Zues

Sub7/Sub7Server

Agent.btz

ZeroAccess

Spyware/Adware

October 16, 1995 – First use of word spyware on usenet. Until 2000 was used to describe software used for

espionage.

Companies like to use different types of spyware for monitoring employees. This is called commercial spyware.

In 2004 it was estimated that 80% of all computers had some form of spyware.

Ransomware

Rootkits

First documented rootkit was NTRootkit. It targeted Windows NT machines.

Rootkits modify the OS to make it easier for malware to hide.

Sony BMG scandal Used CDs to install rootkit onto machine to help

prevent piracy.