Cryptojacking

Duration: 3 min

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Inside: a video lesson and guided study material.

Module outline

  1. Paper - 1 | Unit - 1 | Teaching Aptitude: Nature, Objectives & Characteristics of Teaching, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Teaching-Learning Aids & ICT Integration, Evaluation, Assessment & Measurement
  2. Paper - 1 | Unit - 2 | Research Aptitude: Introduction to Research, Validity & Reliability, Research Paradigms & Types of Research, Research Process Steps, Research Ethics, Writing & Publication
  3. Paper - 1 | Unit - 3 | Comprehension: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions)
  4. Paper - 1 | Unit - 4 | Communication: Communication Basics, Language and Semiotics, Types of Communication, Communication Models, Mass Communication, Mass Media, Journalism, General Knowledge and General Studies related to Communication
  5. Paper - 1 | Unit - 5 | Mathematical Reasoning and Aptitude: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Number System, Percentage, Ratio and Proportion (Ratios), Simple Interest and Compound Interest, Speed Time and Distance, Powers and Exponents (Surds and Indices), Profit and Loss, Average, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Verbal Analogy (Word Based Analogy), Divisibility Rules, Calendar, Miscellaneous, Time and Work, Algebra, Permutation and Combination, Probability
  6. Paper - 1 | Unit - 6 | Logical Reasoning: Syllogisms, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Venn Diagram, School Of Thoughts, Fallacy, Western Logic
  7. Paper - 1 | Unit - 7 | Data Interpretation: Data Interpretation
  8. Paper - 1 | Unit - 8 | Information and Communication Technology: MS Office Applications, Cyber Threats and Malware Attacks, Role of Internet and Web Services, Electronic Data Interchange and E-Commerce, Internet Fundamentals, Web Design & Development, Web Publishing & Hosting, Emerging Technologies, Terms & Abbreviations, Artificial Intelligence, Basics of COA, Introduction to OS, Introduction to CN, Data Communication, Net Layer: IP Addressing, Network Security, Number System, Number Representation, Society, Law & Ethics, Keyboard Shortcuts, Website, Browser & Services
  9. Paper - 1 | Unit - 9 | People Development and Environment: Ecosystem, Biomes & Environmental Issues, MDG & SDG, Air Pollution, Water Pollution, Soil, Noise Pollution and Waste Management, Natural Resources, Energy & Disaster Management, Global Environmental Conventions – COP, Protocols & ISA
  10. Paper - 1 | Unit - 10 | Higher Education System: Vedic Education, Jainism & Buddhism, Ancient Universities, Pre-Independence Commissions, Post-Independence Policy, Higher Education Structure & Accreditation, Universities & Learning Programmes, Types of Education & NEP 2020
  11. Live Classes: NTA UGC NET 2025 Live Class
  12. Full Mock Tests:
  13. Previous Year Papers:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video segment focuses on two distinct cyber threats: Cryptojacking and Botnets. The instructor begins by defining cryptojacking as a form of malicious cryptomining where cybercriminals hack into devices to install software, stealing computing power. A diagram explains the workflow involving end-users and compromised websites. The lesson then transitions to botnets, illustrating the infection cycle and noting the connection to DDoS attacks.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The instructor presents a slide titled 'Cryptojacking,' defining it as 'malicious cryptomining... that happens when cybercriminals hack into both business and personal computers... to install software.' A central diagram visualizes the attack vector: a 'Threat actor' compromises a website (Step 1), 'End-users' connect to the site (Step 2), and unknowingly start mining cryptocurrency (Step 3). The instructor annotates the slide, writing 'Crypto' on the server icon and circling the 'Cryptocurrency mining' box. Later, they write 'Cry' near the end-users to emphasize the mining activity. The text explicitly lists the steps: '1. The threat actor compromises a website,' '2. Users connect to the compromised website and the cryptomining script executes,' and '3. Users unknowingly start mining cryptocurrency on behalf of the threat actor.'

  2. 2:00 – 2:43 02:00-02:43

    The slide changes to a diagram titled 'HOW A BOTNET WORKS.' This visual breaks down the botnet lifecycle into four numbered stages: '1. Infection,' '2. Connection,' '3. Control,' and '4. Multiplication.' The diagram shows a 'Cybercriminal' at the center controlling an 'Infected Machine' which connects to a 'Command & Control Server.' The instructor writes 'DDos' on the right side, indicating the common use of botnets for Distributed Denial of Service attacks. The visual emphasizes the spread of malware from the central server to other devices, illustrating the 'Multiplication' phase where the infection grows.

The lecture effectively contrasts two resource-stealing attacks. Cryptojacking is presented as a stealthy method where the victim's hardware is used for financial gain (mining) without their knowledge. In contrast, the botnet section highlights a more aggressive, coordinated attack structure where multiple compromised devices are controlled centrally to perform tasks like DDoS. Both concepts rely on the unauthorized installation of software, but their end goals differ: financial profit via mining versus network disruption or spam distribution via botnets.

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