Malware Encyclopedia

⚠️ Disclaimer: All technical details are provided strictly for defensive, educational, and cybersecurity research purposes. Creating, distributing, or deploying malware is illegal in virtually every jurisdiction. Always obtain proper authorisation before performing any security testing.

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Overview

This encyclopaedia covers every major category of malware documented in the wild, plus several theoretical or hypothesised classes discussed in threat-intelligence circles. For each type:

• Introduction & Definition
• Historical Origin
• Technical Mechanisms
• Notable Real-World Examples
• Prevention & Remediation

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Part I — Classic Malware Categories

Category	Risk	Primary Goal	Self-Replicates?
Computer Virus	🟠 High	Damage / Replicate	✅ Host-attached
Computer Worm	🔴 Critical	Mass Propagation	✅ Standalone
Trojan Horse	🟠 High	Backdoor / Theft	❌ No
Spyware	🟠 High	Surveillance	❌ No
Adware	🟡 Medium	Ad Revenue	❌ No
Ransomware	🔴 Critical	Extortion	⚠️ Some variants
Rootkit	🔴 Critical	Persistence	❌ No
Keylogger	🟠 High	Credential Theft	❌ No
Backdoor	🔴 Critical	Persistent Access	❌ No

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Part II — Advanced & Specialised Malware

Category	Risk	Primary Goal	Self-Replicates?
Botnet / Bot	🔴 Critical	Coordinated Attacks	✅ Yes
APT Malware	🔴 Critical	Espionage	❌ No
Fileless Malware	🔴 Critical	Evasion / Access	❌ No
Cryptominer	🟡 Medium	Revenue	⚠️ Some variants
Wiper Malware	🔴 Critical	Destruction	❌ No
Banking Trojan	🟠 High	Financial Theft	❌ No
Form Grabber	🟠 High	Credential Theft	❌ No

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Part III — Mobile & Web Malware

Category	Risk	Primary Goal	Self-Replicates?
Mobile Malware	🟠 High	Data Theft	⚠️ Some variants
Web Shell	🟠 High	Server Control	❌ No
Phishing	🟠 High	Credential Theft	❌ No
Business Email Compromise	🔴 Critical	Financial Fraud	❌ No
Banking Trojan	🟠 High	Financial Theft	❌ No
Form Grabber	🟠 High	Credential Theft	❌ No

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Part IV — Hypothesised & Emerging Malware

Category	Risk	Status
AI-Powered Malware	🔴 Critical	Emerging
Post-Quantum Malware	🟠 High	Theoretical
UEFI / Firmware Malware	🔴 Critical	In-the-wild
Supply-Chain Malware	🔴 Critical	In-the-wild
OT/ICS Malware	🔴 Critical	In-the-wild
Polymorphic & Metamorphic	🟠 High	In-the-wild

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Part V — Defence Framework

• The Malware Economy — RaaS, IABs, exploit brokers
• MITRE ATT&CK Framework — Industry-standard taxonomy
• Universal Defence Framework — 7 pillars of defence
• Quick Reference Table — All types at a glance

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Weekly Update Process

This encyclopaedia is updated weekly with:

• New malware families observed in threat intelligence feeds
• Updates to existing entries with new variants or techniques
• MITRE ATT&CK technique mappings
• Defensive tool coverage updates

Last updated: {{ git_revision_date_localized }}

Sources: MITRE ATT&CK, CISA alerts, vendor threat reports, academic research, threat intel feeds.

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Quick Links

Category	Links
Classic	Virus · Worm · Trojan · Spyware · Adware · Ransomware · Rootkit · Keylogger · Backdoor
Advanced	Botnet · APT · Fileless · Cryptominer · Wiper · Banking Trojan · Form Grabber
Mobile/Web	Mobile · Web Shell · Phishing · BEC · Banking Trojan · Form Grabber
Emerging	AI-Powered · Post-Quantum · UEFI · Supply-Chain · OT/ICS · Polymorphic
Defence	Economy · ATT&CK · Universal Defence · Quick Reference

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All information in this encyclopaedia is intended strictly for defensive security research and education. Creating or deploying malware is illegal. Stay ethical. Hack responsibly.

Last updated: {{ git_revision_date_localized }}