The Barbarians are Here!


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Table of contents

The Barbarians are Here!

So Who Are They?

The Lookers

The Destroyer

The Profit Maker

The "Internet Effect"

The Typical Attack

Rootkit

What Rootkit Does

Why do they do it?

How do you catch them?

How do you catch them?

Buffer Over-Runs

Data Type Sizes

"C" Data Types

Memory Layout

Memory Layout

Interesting Memory Layout

Data Exploit

Data Exploit

Types of Buffer Over-runs

What is a Stack Over-run

Slide 23

Slide 24

Buffer Over-Run Setup

Buffer Over-run At Work

What Causes Them

What Causes Them

What Causes Them

What Systems can be effected

Denial of Service

Flooding

Flooding

SYN Attack

SYN Attack

Normal TCP Setup

SYN Attack

SYN Attack

SYN Defense

SYN Good Neighbor

System Crashers

Smurf

Smurf

Smurfing

Smurf Defense

Smurf Good Neighbor

Author: Jeffrey Schiller

E-mail: jis@mit.edu

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