PDF p.333
In progress
Malware Classification
Summary
PDF p.333Malware, or malicious software, is designed to harm or exploit any programmable device, service, or network. It can be classified based on its vector (method of execution and spread) or its payload (the action it performs).
Detailed explanation
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Vectors
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Viruses and Worms
- Viruses: Infect executable code and spread without user authorization.
- Worms: Like viruses but can spread independently across networks.
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Trojan
- Concealed within legitimate-looking software.
- Installs without user consent and operates secretly.
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Potentially Unwanted Programs (PUPs) / Potentially Unwanted Applications (PUAs)
- Installed alongside other software or bundled with new systems.
- May not be malicious but can be unwanted or installed without clear consent.
- Sometimes referred to as grayware or bloatware.
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Viruses and Worms
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Payloads
- Spyware: Collects user information without consent.
- Rootkit: Provides unauthorized access to a computer.
- Remote Access Trojan (RAT): Allows remote control of a system.
- Ransomware: Encrypts data and demands payment for decryption.
Important terms
taken from the text above- Viruses
- Infect executable code and spread without user authorization.
- Worms
- Like viruses but can spread independently across networks.
- Spyware
- Collects user information without consent.
- Rootkit
- Provides unauthorized access to a computer.
- Remote Access Trojan (RAT)
- Allows remote control of a system.
- Ransomware
- Encrypts data and demands payment for decryption.
PUPs Potentially Unwanted Programs
PUAs Potentially Unwanted Applications
RAT Remote Access Trojan
What I should remember
Key Points PDF p.333-
Vectors
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Viruses and Worms
- Viruses: Infect and spread via executable code.
- Worms: Spread independently across networks.
- Trojan: Hidden in legitimate software, installs secretly.
- PUPs/PUAs: Installed with other software, may not be malicious.
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Viruses and Worms
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Payloads
- Spyware: Collects data secretly.
- Rootkit: Grants unauthorized access.
- RAT: Enables remote control.
- Ransomware: Encrypts data, demands ransom.