Classification of DoS Attacks TRB CSI › Cyber Security › classification

Classification of DoS Attacks

DoS attacks-ஐ அவை எதை target செய்கின்றன, எப்படி resources-ஐ consume செய்கின்றன, எந்த layer-ல் attack செய்கின்றன என்பதன் அடிப்படையில் classify செய்யலாம். Mainly DoS attacks மூன்று பெரிய வகைகளாகப் பிரிக்கப்படுகின்றன: Volumetric Attacks Proto…

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Classification of DoS Attacks…

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Definition

DoS attacks-ஐ அவை எதை target செய்கின்றன, எப்படி resources-ஐ consume செய்கின்றன, எந்த layer-ல் attack செய்கின்……

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Explanation
Basic classification

DoS Attacks | |------------------------- | | | Volumetric Protocol Appl……

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Explanation

1. VOLUMETRIC ATTACKS…

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Definition

Volumetric attack என்பது target network-க்கு huge amount of traffic அனுப……

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Flow

Attacker ↓ Huge Traffic ↓ Network Band……

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Explanation
Main target

Bandwidth Server bandwidth = 100 Mbps A……

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Output
Result
Real Life Example
Examples

Volumetric attacks: UDP Flood ICMP……

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Memory Trick

Volume = Quantity அதாவது: அதி……

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Memory Trick

1. PROTOCOL ATTACKS…

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Definition

Protocol attacks என்பது network protocols-ன் working mechanism அல்லது limitat……

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Explanation
Main target

Protocol attacks பொதுவாக: Connection table Fi……

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Flow

Attacker ↓ Abnormal Protocol Requests ↓ Server Prot……

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Real Life Example
Examples

SYN Flood Ping of Death Smurf Attack Teardrop Attack LAND Attack SYN FLOOD AS PROTOCOL ATTACK TCP normally: C……

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Real Life Example

1. APPLICATION LAYER ATTACKS…

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Definition

Application Layer attacks என்பது network bandwidth-ஐ மட்டும் target செய்யாமல் applic……

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Explanation
Main target

CPU RAM Application threads D……

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Flow

Attacker ↓ Large / Expensive Application Requests ↓ Web Server Proc……

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Real Life Example
Examples

HTTP GET Flood HTTP POST Flood Slowloris Repeated login requests Expensive search/query flood HTTP FLOOD EXAM……

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Output
Result
Table
Complete classification table
Explanation
Inch by inch difference

Volumetric Attack…

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Question

"எவ்வளவு traffic வருகிறது?" Answer: V……

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Question

"Protocol எப்படி work செய்கிறது என்பதை abuse செய்கிறார்களா?……

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Question

"Application-ஐ direct-ஆக overload செய்கிறார்கள……

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Real Life Example
Real time example

ஒரு hotel எடுத்துக்கொள்ளுங்கள். Volumetric Attack Hotel entrance-க்கு 10,000 fake people வந்து road-ஐ block ச……

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Explanation
Osi layer view

DoS attacks-ஐ OSI model perspective-லேயும் புரிந்து கொள்ளலாம். Network / T……

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Explanation
Other classification

DoS attacks-ஐ attack source அ……

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Explanation

1. DoS…

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Explanation

ஒரு single அல்லது limited att……

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Explanation

1. DDoS…

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Explanation

DDoS = Distributed Denial of Service. Multiple compromised systems attack ச……

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Explanation
Resource அடிப்படையில்

1. Bandwidth Exhaustion…

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Explanation

Bandwidth consume செய்யும். E……

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Explanation

1. Connection Exhaustion…

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Explanation

Connections full செய்யும். Ex……

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Explanation

1. Computational Resource Exh……

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Explanation

CPU/RAM consume செய்யும். Exa……

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Important

Exam-ல் மிகவும் முக்கியமான classification: DoS attacks are ……

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Remember

VPA V - Volume Traffic அதிகம். P - Protocol Prot……

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TRB Point
Question

DoS attacks are commonly classified into? A……

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TRB Point
Question

Which type mainly consumes ba……

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TRB Point
Question

SYN Flood belongs to? Answer:……

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TRB Point
Question

HTTP Flood belongs to? Answer……

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MCQ

Which DoS category mainly tar……

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MCQ

SYN Flood is classified as:…

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MCQ

HTTP Flood is primarily a:…

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MCQ

Which is an example of a volu……

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MCQ

Which resource is mainly affe……

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Summary

DoS Attacks | ------------------------- | | | Volumetric Protocol Application | | | Bandwidth Connections App……

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