'Buffer overflow attacks' diaporamas de présentation

Program Security Part 1

Program Security Part 1. Insecure Code Non-malicious Program Flaws. Perimeter defense (firewalls) Intrusion detection (after the fact) Over-reliance on cryptography Penetrate and patch techniques Penetration testing. Traditional Security Is Reactive. Problems With Reactive Responses.

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Computer Forensics Use of Malicious Input

Computer Forensics Use of Malicious Input. Buffer and Heap Overflow Attacks. Standard Tool to Break Into Systems. Used for Access Escalation. Very Common. Prototype of an Attack Mode. Beware of User Input. Anonymous FTP should allow access to files selectively.

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Chapter 5

Chapter 5. Hacking Unix. Last modified 9-21-12. Vulnerability Mapping. Listing aspects of the target system and associated vulnerabilities Online vulnerabilities like Bugtraq, CVE, security alerts, etc. Use specialized exploit code to test specific vulnerabilities

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CSCD 434 Spring 2019

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Control Hijacking Attacks

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Control Hijacking Attacks

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Basic Memory Corruption Attacks

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CMSC 414 Computer and Network Security Lecture 18

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Classroom Activities Guide

Understanding Computer Viruses: What They Can Do, Why People Write Them and How to Defend Against Them. Classroom Activities Guide. What is a computer virus?. A computer virus is a malicious program that spreads from computer to computer. Viruses, Worms, Trojan Horses.

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Control Hijacking Attacks

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Control Hijacking Attacks

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Format String Protection

Format String Protection. David Brumley Sam Wu June 12 th , 2002. Format String Attack Basis. Similar to buffer overflow attacks, it relies on altering flow of control to attacking code Unlike buffer overflow attacks, it takes advantage of C variable argument macros

362 views • 22 slides

Libsafe for Windows

Libsafe for Windows. Shuo Chen Mentor: Timothy K. Tsai Avaya Labs Aug. 16, 2001. Background: Libsafe for Linux. Released in April 2000, Libsafe has gained popularity in the Linux community. Libsafe is very easy to install. Once installed, Libsafe does its job transparently.

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Address space randomization helps prevent which components of buffer overflow attacks?

Address space randomization helps prevent which components of buffer overflow attacks? A: overwriting program variables B: hijacking the control flow C: executing arbitrary code. Non-executable stacks help prevent which component of buffer overflow attacks? A: overwriting program variables

131 views • 4 slides