Hacking

Download e-book for iPad: A Bug Hunter's Diary: A Guided Tour Through the Wilds of by Tobias Klein

By Tobias Klein

Possible uncomplicated insects may have drastic results, permitting attackers to compromise platforms, improve neighborhood privileges, and another way wreak havoc on a system.A computer virus Hunter's Diary follows safety professional Tobias Klein as he tracks down and exploits insects in many of the world's preferred software program, like Apple's iOS, the VLC media participant, internet browsers, or even the Mac OS X kernel. during this one of a kind account, you'll see how the builders liable for those flaws patched the bugs—or did not reply in any respect. As you stick to Klein on his trip, you'll achieve deep technical wisdom and perception into how hackers procedure tough difficulties and adventure the real joys (and frustrations) of malicious program hunting.

Along the best way you'll find out how to:
• Use field-tested suggestions to discover insects, like making a choice on and tracing person enter information and opposite engineering
• make the most vulnerabilities like NULL pointer dereferences, buffer overflows, and kind conversion flaws
• improve evidence of proposal code that verifies the protection flaw
• document insects to owners or 3rd get together brokers

A trojan horse Hunter's Diary is choked with real-world examples of susceptible code and the customized courses used to discover and attempt insects. even if you're searching insects for enjoyable, for revenue, or to make the area a more secure position, you'll research important new talents via taking a look over the shoulder of a pro computer virus hunter in action.

"This is likely one of the best infosec books to return out within the final numerous years."
Dino Dai Zovi, details defense Professional

"Give a guy an take advantage of and also you make him a hacker for an afternoon; train a guy to take advantage of insects and also you make him a hacker for a lifetime."
Felix 'FX' Lindner

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Additional info for A Bug Hunter's Diary: A Guided Tour Through the Wilds of Software Security

Example text

However, this evidence can quickly become polluted, making it worthless. A great deal of activity is almost always happening on production systems. Files are being written to the hard drive, processes are starting and stopping, users are logging in, memory is paged in and out—all this activity is constantly changing the state of a system. The more activity on a system, the more likely the attacker's actions will be overwritten or polluted. Even with the advanced tools and techniques, it can be very difficult to recover data that has been damaged.

Since no two are alike, it is possible to have low-interaction or high-interaction homemade honeypots.

In fact, if incorrectly implemented, a honeypot may introduce risk, providing an attacker a window into an organization. What will keep the bad guys out is best practices, such as disabling unneeded or insecure services, patching vulnerable services or operating systems, and using strong authentication mechanisms. Some individuals have discussed the value of deception or deterrence as a method to prevent attackers. The deception concept is to have attackers waste time and resources attacking honeypots, as opposed to attacking production systems.

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