Ethical Hacking and Countermeasures: Threats and Defense - download pdf or read online

By EC-Council

ISBN-10: 1435483618

ISBN-13: 9781435483613

The EC-Council | Press moral Hacking and Countermeasures sequence is constituted of 5 books overlaying a wide base of subject matters in offensive community protection, moral hacking, and community safeguard and countermeasures. The content material of this sequence is designed to immerse the reader into an interactive atmosphere the place they are going to be proven easy methods to test, try, hack and safe info platforms. With the complete sequence of books, the reader will achieve in-depth wisdom and sensible adventure with crucial safeguard structures, and turn into ready to be successful at the qualified moral Hacker, or C|EH, certification from EC-Council. This certification covers a plethora of offensive defense subject matters starting from how perimeter defenses paintings, to scanning and attacking simulated networks. a wide selection of instruments, viruses, and malware is gifted during this and the opposite 4 books, supplying an entire figuring out of the strategies and instruments utilized by hackers. by means of gaining a radical knowing of the way hackers function, a moral Hacker can be capable of manage robust countermeasures and protective structures to guard an organization's serious infrastructure and knowledge.

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Additional resources for Ethical Hacking and Countermeasures: Threats and Defense Mechanisms

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The icmd tool allows an attacker to set a password for the backdoor. This tool demonstrates how a backdoor can be used to remotely access a system at a later time, as seen in Figure 1-6. One purpose of a backdoor is to remove evidence of initial entry from the system log. An effective backdoor allows an attacker to retain access to a penetrated machine, even though the system administrator detects the intrusion. Resetting passwords, changing disk access permissions, or fixing original security holes in the hope of solving the problem may not be an effective solution at all times.

Its features include the following: • Reverse connection • Code injection to bypass the firewall • Small server size: 13 KB unpacked • Remote console • Web downloader Figure 1-41 RubyRAT Pro can access confidential information on a target computer. Overt and Covert Channels Figure 1-42 1-39 ZombieRAT can work as a keylogger. ZombieRat ZombieRat, seen in Figure 1-42, is a remote administration trojan made in Delphi 2005. Its functions include the following: • Opens Windows programs, such as msconfig, calc, paint, narrator, notepad, wordpad, regedit, and clock • Enables/disables Task Manager • Hides shutdown button • Modifies the Start button caption and wallpapers • Works as a keylogger and blocks input • Kills processes Webcam Trojan Webcam trojan, seen in Figure 1-43, is a remote administration trojan.

Exe. exe from the victim’s hard drive immediately upon gaining access. exe, including the file’s size and date, is advisable and is one means of spotting intrusions. Once access is gained, the intruder often installs other backdoors and FTP or HTTP daemons that open a victim’s drive(s) to outside access. The attacker may also enable resource sharing on the network connection. 70 server opens two TCP ports numbered 12345 and 12346. It listens on 12345 for a remote client and apparently responds via 12346.

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