Counter Hack Reloaded: A Step-by-Step Guide to Computer by Edward Skoudis, Tom Liston

By Edward Skoudis, Tom Liston

"I eventually get it! I used to listen to phrases like rootkit, buffer overflow, and idle scanning, they usually simply didn't make any experience. I requested folks they usually didn't appear to know the way these items paintings, or at the least they couldn't clarify them in a manner that i may comprehend. Counter Hack Reloaded is the clearest rationalization of those instruments i've got ever obvious. Thank you!" --Stephen Northcutt, CEO, SANS Institute "Ed Skoudis does it back! With this new version, Ed takes a ravishing paintings to the following point! This booklet is a 'must-have' and a 'must-read' for an individual remotely linked to desktops and computing device security." --Harlan Carvey, CISSP, writer of home windows Forensics and Incident restoration "Ed Skoudis is an extraordinary person. He is aware the innards of all of the a number of structures, is familiar with the entire newest exploits and defenses, and but is ready to clarify every little thing at simply the precise point. the 1st version of Counter Hack was once a desirable learn. It's technically interesting and extremely clear...A booklet on vulnerabilities, although, gets outdated, and so we certainly wanted this up to date and considerably rewritten moment variation. This ebook is a superb evaluation of the field." --From the Foreword through Radia Perlman, sequence editor, The Radia Perlman sequence in laptop Networking and protection; writer of Interconnections; and coauthor of community safeguard: inner most Communications in a Public international "What a very good partnership! Ed Skoudis and Tom Liston proportion an uncanny expertise for explaining even the main demanding defense recommendations in a transparent and stress-free demeanour. Counter Hack Reloaded is an integral source if you are looking to enhance their defenses and comprehend the mechanics of desktop attacks." --Lenny Zeltser, coauthor of Malware: combating Malicious Code "Ed Skoudis does it back! With this new version, Ed takes an exquisite paintings to the subsequent point! This e-book is a 'must-have' and a 'must-read' for an individual remotely linked to desktops and machine security." --Harlan Carvey, CISSP, writer of home windows Forensics and Incident Recovery"In addition to having breadth of data approximately and probing insights into community safety, Ed Skoudis's actual power is in his skill to teach complicated issues in an comprehensible shape. by the point he's performed, what started out as a hopeless conglomeration of acronyms starts off to sound cozy and widespread. This publication is your top resource for realizing assault thoughts, assault instruments, and the defenses opposed to both." --William Stearns, community protection specialist, www.stearns.org"This publication is a must have for somebody within the net protection video game. It covers every little thing from the elemental ideas to the ins and outs of on-line assault tools and counter-strategies and is particularly engagingly written." --Warwick Ford, coauthor of safe digital trade For years, Counter Hack has been the first source for each network/system administrator and safeguard specialist who wishes a deep, hands-on realizing of hacker assaults and countermeasures. Now, major community safeguard professional Ed Skoudis, with Tom Liston, has completely up to date this best-selling consultant, exhibiting tips to defeat today's most up-to-date, so much subtle, and so much harmful assaults. For this moment variation, greater than part the content material is new and up to date, together with insurance of the most recent hacker suggestions for scanning networks, gaining and protecting entry, and fighting detection. The authors stroll you thru every one assault and demystify each software and tactic. You'll examine precisely tips on how to identify potent defenses, realize assaults in growth, and reply quick and successfully in either UNIX/Linux and home windows environments. very important gains of this re-creation contain *All-new "anatomy-of-an-attack" eventualities and instruments *An all-new part on instant hacking: warfare riding, instant sniffing assaults, and extra *Fully up to date assurance of reconnaissance instruments, together with Nmap port scanning and "Google hacking" *New assurance of instruments for gaining entry, together with uncovering home windows and Linux vulnerabilities with Metasploit *New details on harmful, hard-to-detect, kernel-mode rootkits

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Additional info for Counter Hack Reloaded: A Step-by-Step Guide to Computer Attacks and Effective Defenses (2nd Edition)

Sample text

Remember, we are also using a loose definition of the word compromise. A compromise could include the following: • • • • Gaining access Simplifying gaining access Taking a system offline Desensitizing sensitive information “ Hackers Beware “ New Riders Publishing 32 For example, going through a company’s garbage to find sensitive information can be considered an exploit. If an attacker goes through the garbage and finds a computer printout of top-secret information about a company’s new product, he has technically compromised the system without ever touching it.

These programs can be used to either increase access, compromise other systems on the network, or upload tools that will be used to compromise other systems. Why should an attacker use his own machine to attack another company, when he can use someone else’s faster machines, making it harder to trace the attack? To cause damage or acquire information, an attacker must successfully break into a site and retrieve the necessary information. The Internet, however, adds a new dimension to this. As we discussed, in some cases, the sole reason for breaking into a site is to use the resources for the attacker’s own personal gain or to break into another site.

Yes, attackers cannot perform a Denial of Service attack or actively break into a machine, but they can find information that would make it much easier to gain access at a later date. Also, from a corporate espionage standpoint, someone can gain access to extremely sensitive files, which a company would have a hard time detecting. telnet: . domain: 59374+ PTR? arpa. domain: 59779+ PTR? arpa. domain: 59780+ PTR? arpa. domain: 59781+ PTR? arpa. 1796: . 646469 eth0 . 656454 eth0 . 1796: It is important to point on that sniffing will only work on a network if the company is using a hub network.

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