'Large string' presentation slideshows

Prof. Reuven Aviv

797 views • 72 slides

Prof. Reuven Aviv

839 views • 72 slides

Natural language processing (NLP)

Natural language processing (NLP). From now on I will consider a language to be a set (finite or infinite) of sentences, each finite in length and constructed out of a finite set of elements. All natural languages in their spoken or written form are languages in this sense . Noam Chomsky.

863 views • 67 slides

Smashing the Stack for Fun and Profit

Smashing the Stack for Fun and Profit. Review: Process memory organization The problem: Buffer overflows How to exploit the problem Implementing the Exploit Results Conclusion and discussion. Process Memory Organization. Process Memory Organization. Process Memory Organization.

580 views • 46 slides

Foundations of Network and Computer Security

Foundations of Network and Computer Security. J ohn Black Lecture #28 Nov 9 th 2007. CSCI 6268/TLEN 5831, Fall 2007. Announcements. Project #1 due today Please hand-in now Remote students email to Martin Quiz #3 is Wednesday, 11/14

536 views • 45 slides

Foundations of Network and Computer Security

Foundations of Network and Computer Security. J ohn Black Lecture #17 Oct 26 th 2004. CSCI 6268/TLEN 5831, Fall 2004. Announcements. Project #1 Due Today Please hand in to me Project #2 rsautl has no base64 option; use openssl base64 [-d] Midterm Solutions

511 views • 45 slides

CSCE 548 Buffer Overflow SQL Injection

CSCE 548 Buffer Overflow SQL Injection. Process Memory Organization. Process memory: 3 regions Text: fixed by the program, includes code, read-only (attempt to write: segmentation fault) Data: initialized and uninitialized data Stack: stores application data and control data

541 views • 42 slides

Lecture 8: Buffer Overflow

Lecture 8: Buffer Overflow. CS 436/636/736 Spring 2012 Nitesh Saxena * Adopted from a previous lecture by Aleph One ( Smashing the Stack for Fun and Profit ). Course Admin . HW3 Posted Due at 11am Apr 12 (Thursday). Why study buffer overflow?.

540 views • 40 slides

Lecture 8: Buffer Overflow

Lecture 8: Buffer Overflow. CS 436/636/736 Spring 2012 Nitesh Saxena * Adopted from a previous lecture by Aleph One ( Smashing the Stack for Fun and Profit ). Course Admin . HW3 Posted Due at 11am Apr 12 (Thursday). Why study buffer overflow?.

504 views • 40 slides

Network Security

Attack Analysis. Network Security. Outline. Types of Attacks Vulnerabilities Exploited Network Attack Phases Attack Detection Tools. Vulnerability Summary for Week of April 29, 2013. From US-CERT www-us-cert.gov/ncas/bulletins/SB13-119

522 views • 40 slides

Foundations of Network and Computer Security

482 views • 39 slides

Network Security

507 views • 39 slides

Network Security

485 views • 39 slides

Lecture 9: Buffer Ovefflows and ROP

Lecture 9: Buffer Ovefflows and ROP. EEN 312: Processors: Hardware, Software, and Interfacing. Department of Electrical and Computer Engineering Spring 2014, Dr. Rozier (UM). BUFFER OVERFLOWS. General Overview of Buffer Overflow Mechanism Real Life Examples - SQL Slammer - Blaster

450 views • 38 slides

Foundations of Network and Computer Security

457 views • 36 slides

Java Security

CS 242. 2008. Java Security. John Mitchell. Reading: Chapter 13 (+Slides contain additional material). Language Overview History and design goals Classes and Inheritance Object features Encapsulation Inheritance Types and Subtyping Primitive and ref types Interfaces; arrays

554 views • 33 slides

Stack allocation and buffer overflow

Stack allocation and buffer overflow. CSCE 531 Presentation by Miao XU xum@engr.sc.edu. Outline. Stack allocation in Windows What is buffer overflow How to exploit buffer overflow Demo. Stack allocation in TAM. SB. SB = Stack base LB = Locals base ST = Stack top. globals. call

422 views • 22 slides

(Relatively) Fun Day

Week 7. (Relatively) Fun Day. common proj 1 problems. always put a “ ” at the end of a printf must allocate strlen+1 for string sizeof vs strlen malloc/free problems always check return codes style: use tabs, not spaces global variables unbracketed control statements

194 views • 12 slides

Mollusk

Mollusk. By:Amor. What is mollusk?. A mollusk is an animal that has a soft body or an enclosed shell. For example (snail and a clam) is a mollusk. How do they move?. It depends on the mollusk because clams push into the sand with there foot and a snails glide on a layer of mucus.

307 views • 10 slides

Smashing the Stack

Smashing the Stack. Overview The Stack Region Buffer Overflow Shell Program Notes Avoiding Buffer Overflows Conclusion. Stack. contains the parameters to a function, its local variables, and the data necessary to recover the previous stack frame. Higher Addresses. Gap. Data.

246 views • 10 slides