introduction to ethical hacking

... goodwill  Increased networked environment and network based applications Ethical Hacking Module I Introduction to Ethical Hacking EC-Council Section 1030 (2) (A) (B) (C) (2) intentionally accesses ... categories  Comprehending ethical hacking  Legal implications of hacking  Hacking, law and punishment EC-Council Section 1029 (contd.) (5) knowingly and with intent to defraud effects transactions, ... an ethical hacker asks the organization what it is trying to protect, against whom and what resources it is willing to expend in order to gain protection. EC-Council Skill Profile of an Ethical...

Ngày tải lên: 08/07/2013, 01:27

Ngày tải lên: 27/06/2014, 20:20

Ngày tải lên: 31/07/2014, 04:20

Ngày tải lên: 25/03/2014, 11:13

... Hours EC-Council Course Outline  Module I : Introduction to Ethical Hacking  Module II: Footprinting  Module III: Scanning  Module IV: Enumeration  Module V: System Hacking EC-Council EC-Council Certified ... are designed to reinforce the classroom sessions  The sessions are intended to give a hands on experience only and does not guarantee proficiency. Lab Sessions Ethical Hacking Introduction EC-Council Course ... Consultant • 4. E++ Certified Technical Consultant • 5. Certified Ethical Hacker EC-Council EC-Council Certified Ethical Hacker EC-Council Introductions  Name  Company Affiliation  Title / Function  ...

Ngày tải lên: 08/07/2013, 01:27

... changing the form it is possible to put more characters into the parameter causing the application to crash upon receiving the input. Of course, it is also possible to create the outgoing request ... ability to input invalid data or malicious code into the application using techniques such as the ones described. For developers with time- to- market deadlines, it is virtually impossible to comb ... of a malicious technique a hacker may attempt. Fortunately, automated tools are available to transcend human error and perform automatic vulnerability assessment on Web applications by attempting...

Ngày tải lên: 17/02/2014, 21:20

... and cylinder skewing and sector-based sparing with one spare sector per track. This needs to be accounted for in mapping logical blocks to the physical sectors. Adding all these factors results in the ... 97560 sector size 256 bytes 512 bytes cylinders 1449 1962 tracks per cylinder 8 19 data sectors per track 113 72 number of zones 1 1 track skew 34 sectors 8 sectors cylinder skew 43 sectors 18 sectors revolution ... specifications, since the only alternative is to determine them experimentally. The information required to determine how much power to apply to the pivot motor and for how long on a particular seek...

Ngày tải lên: 12/09/2012, 14:16

... beginning to the end (for now)  No backing up to read something again (OK to start over)  Just as done from the keyboard  Writing to a file  Sending output to a file  Done from beginning to end ... up to write something again( OK to start over)  Just as done to the screen Slide 6- 5 Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley I/O Streams  I/O refers to ... output  Input is delivered to your program via a stream object  Input can be from  The keyboard  A file  Output is delivered to the output device via a stream object  Output can be to  The screen  A...

Ngày tải lên: 12/09/2012, 22:49

... using complementary metal oxide semiconductor (CMOS) transistors. They used no resistors and inductors, and the whole circuit was fabricated by the 28 INTRODUCTION TABLE 1.3 ADCs Currently Available Sampling ... transistors were introduced and fil- ters were designed without inductors to realize the transfer functions. The design procedure was much simpler, and device technology also was improved to fabri- cate ... vacuum tubes and bipolar junction transistors were developed, the design procedure had to be changed in order to integrate the models for these active devices into the filter circuits, but the mathematical...

Ngày tải lên: 13/09/2012, 10:21

... access data stored in a central database – Delivers broadband connectivity to schools, libraries, and government buildings – Provides free Internet access to residents and attracts visitors and ... channels 6 Bluetooth and Ultra Wide Band • Radio frequency identification device (RFID) tags – Small chips containing radio transponders • Can be used to track inventory • Bluetooth and Ultra ... manager – Special software that helps identify other Bluetooth devices 8 Bluetooth and Ultra Wide Band (continued) • Bluetooth – Distance: up to 33 feet (10 meters) – Bandwidth: 1 Mbps • Ultra Wide...

Ngày tải lên: 13/09/2012, 10:52

... 2 Objectives  To introduce software engineering and to explain its importance  To set out the answers to key questions about software engineering  To introduce ethical and professional issues and to explain ... Software systems that are intended to provide automated support for software process activities.  CASE systems are often used for method support.  Upper-CASE • Tools to support the early process ... developed for a particular customer or may be developed for a general market.  Software products may be • Generic - developed to be sold to a range of different customers e.g. PC software such...

Ngày tải lên: 14/09/2012, 11:26

... %255cwinnt/system32/cmd.exe?/c+dir+c  Attacker can even install a Trojan program 41 9 OBJECT LINKING AND EMBEDDING  DATABASE (OLE DB)  OLE DB is a set of interfaces  Enables applications to access data stored in a DBMS  Developed by Microsoft  Designed to be faster, more efficient, and more stable  than ODBC  OLE DB relies on connection strings  Different providers can be used with OLE DB  depending on the DBMS to which you want to connect 25 17 TOOLS OF WEB ATTACKERS AND  SECURITY TESTERS  Choose the right tools for the job  Attackers look for tools that enable them to attack  the system  They choose their tools based on the vulnerabilities  found on a target system or application 46 3 H a n d s - O n ... DOES THE WEB APPLICATION  REQUIRE AUTHENTICATION OF THE  USER?  Many Web applications require another server  authenticate users  Examine how information is passed between the  two servers  Encrypted channels  Verify that logon and password information is  stored on secure places  Authentication servers introduce a second target 44 37 34 APPLICATION VULNERABILITIES  COUNTERMEASURES (CONTINUED)  Top­10 Web application vulnerabilities (continued)  Remote administration flaws  Attacker can gain access to the Web server through the  remote administration interface  Web and application server misconfiguration  Any Web server software out of the box is usually vulnerable  to attack  Default accounts and passwords  Overly informative error messages 32 16 WEB FORMS  Use the <form> element or tag in an HTML document  Allows customer to submit information to the Web server  Web servers process information from a Web form by  using a Web application  Easy way for attackers to intercept data that users  submit to a Web server 7 APPLICATION VULNERABILITIES  COUNTERMEASURES  Open Web Application Security Project (OWASP)  Open, not­for­profit organization dedicated to finding  and fighting vulnerabilities in Web applications  Publishes the Ten Most Critical Web Application  Security Vulnerabilities  Top­10 Web application vulnerabilities  Unvalidated parameters  HTTP requests are not validated by the Web server  Broken access control  Developers implement access controls but fail to test them  properly 29 USING SCRIPTING LANGUAGES  Dynamic Web pages can be developed using scripting  languages  VBScript  JavaScript  PHP 18 OPEN DATABASE CONNECTIVITY  (ODBC) (CONTINUED)  ODBC defines  Standardized representation of data types  A library of ODBC functions  Standard methods of connecting to and logging on to a  DBMS 24 WEB APPLICATION COMPONENTS  Static Web pages  Created using HTML  Dynamic Web pages  Need special components  <form> tags  Common Gateway Interface (CGI)  Active Server Pages (ASP)  PHP  ColdFusion  Scripting languages  Database connectors 6 APACHE WEB SERVER  Tomcat Apache is another Web Server program  Tomcat Apache hosts anywhere from 50% to 60% of all  Web sites  Advantages  Works on just about any *NIX and Windows platform  It is free  Requires Java 2 Standard Runtime Environment (J2SE,  version 5.0) 15 ON WHAT PLATFORM WAS THE WEB  APPLICATION DEVELOPED?  Several different platforms and technologies can  be used to develop Web applications  Attacks differ depending on the platform and  technology used to develop the application  Footprinting is used to find out as much information  as possible about a target system  The more you know about a system the easier it is to gather information about its vulnerabilities 45 OPEN DATABASE CONNECTIVITY  (ODBC)  Standard database access method developed by  the SQL Access Group  ODBC interface allows an application to access  Data stored in a database management system  Any system that understands and can issue ODBC  commands  Interoperability among back­end DBMS is a key  feature of the ODBC interface 23 48 UNDERSTANDING WEB APPLICATIONS  It is nearly impossible to write a program without bugs  Some bugs create security vulnerabilities  Web applications also have bugs  Web applications have a larger user base than standalone  applications  Bugs are a bigger problem for Web applications 5 DOES THE WEB APPLICATION  CONNECT TO A BACKEND DATABASE  SERVER? (CONTINUED)  Basic testing should look for  Whether you can enter text with punctuation marks  Whether you can enter a single quotation mark followed by  any SQL keywords  Whether you can get any sort of database error when  attempting to inject SQL 43 DOES THE WEB APPLICATION USE  DYNAMIC WEB PAGES?  Static Web pages do not create a security  environment  IIS attack example  Submitting a specially formatted URL to the  attacked Web server  IIS does not correctly parse the URL  information  Attackers could launch a Unicode exploit http://www.nopatchiss.com/scripts/ ... DOES THE WEB APPLICATION  REQUIRE AUTHENTICATION OF THE  USER?  Many Web applications require another server  authenticate users  Examine how information is passed between the  two servers  Encrypted channels  Verify that logon and password information is  stored on secure places  Authentication servers introduce a second target 44 37 34 APPLICATION VULNERABILITIES  COUNTERMEASURES (CONTINUED)  Top­10 Web application vulnerabilities (continued)  Remote administration flaws  Attacker can gain access to the Web server through the  remote administration interface  Web and application server misconfiguration  Any Web server software out of the box is usually vulnerable  to attack  Default accounts and passwords  Overly informative error messages 32 16 WEB FORMS  Use the <form> element or tag in an HTML document  Allows customer to submit information to the Web server  Web servers process information from a Web form by  using a Web application  Easy way for attackers to intercept data that users  submit to a Web server 7 APPLICATION VULNERABILITIES  COUNTERMEASURES  Open Web Application Security Project (OWASP)  Open, not­for­profit organization dedicated to finding  and fighting vulnerabilities in Web applications  Publishes the Ten Most Critical Web Application  Security Vulnerabilities  Top­10 Web application vulnerabilities  Unvalidated parameters  HTTP requests are not validated by the Web server  Broken access control  Developers implement access controls but fail to test them  properly 29 USING SCRIPTING LANGUAGES  Dynamic Web pages can be developed using scripting  languages  VBScript  JavaScript  PHP 18 OPEN DATABASE CONNECTIVITY  (ODBC) (CONTINUED)  ODBC defines  Standardized representation of data types  A library of ODBC functions  Standard methods of connecting to and logging on to a  DBMS 24 WEB APPLICATION COMPONENTS  Static Web pages  Created using HTML  Dynamic Web pages  Need special components  <form> tags  Common Gateway Interface (CGI)  Active Server Pages (ASP)  PHP  ColdFusion  Scripting languages  Database connectors 6 APACHE WEB SERVER  Tomcat Apache is another Web Server program  Tomcat Apache hosts anywhere from 50% to 60% of all  Web sites  Advantages  Works on just about any *NIX and Windows platform  It is free  Requires Java 2 Standard Runtime Environment (J2SE,  version 5.0) 15 ON WHAT PLATFORM WAS THE WEB  APPLICATION DEVELOPED?  Several different platforms and technologies can  be used to develop Web applications  Attacks differ depending on the platform and  technology used to develop the application  Footprinting is used to find out as much information  as possible about a target system  The more you know about a system the easier it is to gather information about its vulnerabilities 45 OPEN DATABASE CONNECTIVITY  (ODBC)  Standard database access method developed by  the SQL Access Group  ODBC interface allows an application to access  Data stored in a database management system  Any system that understands and can issue ODBC  commands  Interoperability among back­end DBMS is a key  feature of the ODBC interface 23 48 UNDERSTANDING WEB APPLICATIONS  It is nearly impossible to write a program without bugs  Some bugs create security vulnerabilities  Web applications also have bugs  Web applications have a larger user base than standalone  applications  Bugs are a bigger problem for Web applications 5 DOES THE WEB APPLICATION  CONNECT TO A BACKEND DATABASE  SERVER? (CONTINUED)  Basic testing should look for  Whether you can enter text with punctuation marks  Whether you can enter a single quotation mark followed by  any SQL keywords  Whether you can get any sort of database error when  attempting to inject SQL 43 DOES THE WEB APPLICATION USE  DYNAMIC WEB PAGES?  Static Web pages do not create a security  environment  IIS attack example  Submitting a specially formatted URL to the  attacked Web server  IIS does not correctly parse the URL  information  Attackers could launch a Unicode exploit http://www.nopatchiss.com/scripts/...

Ngày tải lên: 17/09/2012, 10:44

... comes to using LVM effectively it is worth considering the filesystem that you wish to use upon your logical volumes. http://www.debian-administration.org/articles/410 A simple introduction to ... be a little confusing to newcomer so this guide intends to show the basics in a simple manner. There several pieces of terminology that you'll need to understand to make the best use of ... (ie. 4x5Gb drives can be combined into one 20Gb volume group, and you can then create two 10Gb logical volumes.) Logically these are stacked from top to bottom like this: can create a dedicated...

Ngày tải lên: 18/09/2012, 10:12

... way the law contributes to regulatory enforcement and compliance. As we shall see, central to the study of regulatory enforcement is the width of discretion within regulatory systems (in the hands of ... first, to consider the extent to which the analytic map developed in the first four chapters transposes to regulation in the supranational context, and second, to consider whether the shift to regu- lation ... previously encountered. Many often struggled to identify how these strands related to each other or, indeed, to the legal tradition to which they were accustomed. In short, there was an acute need...

Ngày tải lên: 21/09/2012, 10:39

... which these topics are covered has been deliber- ately chosen so as to enable the reader to build upon the understanding gained from earlier chapters in getting to grips with the topics of later ... P n would still have sufficed to cause P to exist. But this is to imply that P is causally overdet- ermined by M and one or more of P 1 , P 2 , P n , contrary to what we have hitherto assumed. Hence we ... position to adopt, although to adopt it merely in order to evade the unwelcome conclusion of the physicalist’s argument would be blatantly ad hoc. To make this position credible, the dualist needs to...

Ngày tải lên: 21/09/2012, 10:39

... girlfriend he refuses to marry) convey an attachment to place that belies his stated intention to emigrate. In this way Cooper manages to play two contexts off against each other: historical hindsight ... is to Tricia and Felicity for putting up with a house swamped by papers and files, and for tolerating all the lost evenings and weekends. January 2001 viii Introduction 3 a turn towards the historical ... Cambridge Introduction to Modern British Fiction, 1950–2000 relative matter since the British economy continued to grow, but not quickly enough to keep pace with its European competitors. Economic...

Ngày tải lên: 21/09/2012, 11:00

... EDUCATIONAL FOUNDATION An Introduction To Franchising 1 Chapter 1: An Introduction To Franchising What is a franchise? What are common franchise terms? What are the alternatives to franchising? What ... attention to the contact information of the franchisees who have left the system. These are people you definitely want to talk to. THE IFA EDUCATIONAL FOUNDATION 20 An Introduction To Franchising ... Introduction To Franchising Determine If You Can Afford To Start A Business MAKE PROFIT POTENTIAL YOUR MOST IMPORTANT CONSIDERATION! In order to start a business, you have to have money! In order to...

Ngày tải lên: 19/10/2012, 15:42

Ngày tải lên: 22/10/2012, 10:59

Ngày tải lên: 22/10/2012, 10:59