March 29, 2018

A Guide to Kernel Exploitation: Attacking the Core by Enrico Perla, Massimiliano Oldani PDF

By Enrico Perla, Massimiliano Oldani

ISBN-10: 1597494860

ISBN-13: 9781597494861

The variety of safeguard countermeasures opposed to user-land exploitation is at the upward thrust. due to this, kernel exploitation is changing into even more well known between make the most writers and attackers. fiddling with the center of the working process could be a risky video game: This publication covers the theoretical concepts and techniques had to enhance trustworthy and potent kernel-level exploits and applies them to various working structures (Linux, Solaris, Mac OS X, and Windows). Kernel exploits require either paintings and technological know-how to accomplish. each OS has its quirks and so each take advantage of needs to be molded to completely make the most its objective. This ebook discusses the most well-liked OS families-UNIX derivatives, Mac OS X, and Windows-and the best way to achieve whole keep an eye on over them. thoughts and strategies are offered categorically in order that even if a particularly specified make the most has been patched, the foundational info that you've got learn might help you to jot down a more recent, greater assault or a extra concrete layout and protective structure.

* Covers a number working procedure households - UNIX derivatives, Mac OS X, Windows
* info universal eventualities equivalent to conventional reminiscence corruption (stack overflow, heap overflow, etc.) concerns, logical insects and race conditions
* grants the reader from user-land exploitation to the area of kernel-land (OS) exploits/attacks, with a specific specialise in the stairs that bring about the production of profitable concepts, that allows you to provide to the reader anything greater than only a set of tricks


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* you don't want to obtain this except you're importing retail Kindle books, otherwise you have to liberate Kindle leases. obtain the reputable model from the following in its place: https://github. com/apprenticeharper/DeDRM_tools/releases/tag/v6. four. 3

* don't use the reviews the following for help. Use the help thread at https://bibliotik. me/forums/17/2771

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* don't use the aid thread to invite for updates. Updates are made while I lead them to. (Notably, I often wait at the very least every week after an reliable unlock, to ensure there's no longer one other bugfix free up a number of days in a while -- as occurred with e. g. 6. three. 1 and six. three. 2)

Release Notes:

Changes in 6. four. 3
* Fixes the matter of the plugin operating in debug mode yet no longer whilst working often.
* Improves checking of B&N key new release within the plugin.
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* the discharge has a primary test at a repair for the new alterations to the Kindle for notebook encryption. be aware that this can be strictly a Kindle for computing device repair. so far as [Apprentice Alf] can inform, this doesn't repair the issues with Kindle for Mac.

As continuously, when you are no longer doing retail Kindle uploads or unlocking Kindle leases, you don't want this; you should use the traditional toolkit at once from Apprentice Alf.

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This torrent is largely just like the off-the-shelf Apprentices toolkit, other than that every reproduction of "mobidedrm. py" within the home windows app, Macintosh app, and Calibre plugins were patched to do the watermark elimination and to liberate leases. And, due to the fact those are source-only adjustments, you could simply be certain the code adjustments for your self through evaluating the contents of this torrent with the normal instruments from Apprentice Alf. (Note that one of many patched documents is contained in the Calibre plugin zipfile. )

To set up and use, keep on with the traditional directions for fitting the Apprentices DRM instruments, on Apprentice Alf's weblog or within the Tutorials discussion board right here. which means you want to unzip this dossier first. don't try and set up it as a Calibre plugin, the plugin is a dossier named "DeDRM_calibre_plugin/DeDRM_plugin. zip" that is contained in the "tools_v6. three. three. zip" file.

Please observe that when you've got any older types of the Calibre plugin(s) put in, you want to uninstall or disable them all sooner than fitting this model. At one aspect, there have been a number of plugins for various codecs, however the newest instruments have just a unmarried plugin for all codecs, and when you've got either the outdated and new ones energetic whilst, it isn't assured that the proper plugins will truly technique the file.

(It's additionally very important to notice that those instruments basically eliminate the watermark while a Kindle e-book is first imported to Calibre, or unlocked utilizing the home windows or Macintosh apps; they won't get rid of watermarks from records you have got already imported or switched over, and naturally it's too overdue to do whatever approximately any Kindle retail uploads you've already performed the following or somewhere else. )

For additional info and questions, there's a discussion board thread right here: https://bibliotik. me/forums/17/2771

My coverage on liberating New Versions

I will ordinarily be liberating new types inside a couple of month of the most recent replace to the traditional toolkit, even supposing it'll most likely be a lot speedier than that almost all of the time. So, please don't publish reviews the following or at the boards approximately new models of the toolkit! All that may accomplish is demanding me, and if i'm pissed off, i'll most likely dispose of engaged on it.

If it's been per week or because an replace got here out, and also you are literally being held up from importing a retail Kindle publication as the present model doesn't paintings and the recent model does, then be happy to ship me a PM.

The mere truth, despite the fact that, new edition is out doesn't warrant bothering me or a person else approximately it!

A hyperlink to the latest torrent will continuously be discovered on the best of the discussion board thread above.


Tip: how you can Get Notified while The instruments Are Updated

1. visit https://bibliotik. me/notifications/torrents/filters/add
2. placed "DRM Applications" within the "Label" field
3. positioned "drm removal" within the "Tags" box (skip the others)
4. payment the "Applications" checkbox, then click on "Add filter"

This should still notify you at once while any new DRM elimination functions are uploaded, together with after all those tools.


Note: types of this package deal ahead of 6. zero. 7-1 have an issue with unlocked . azw3 documents crashing a few e-ink Kindles. while you are utilizing a model older than 6. zero. 7-1, please replace to a more moderen model earlier than your subsequent retail upload!

(For additional info at the challenge, and the way to mend it in already-unlocked records, see this thread: https://bibliotik. me/forums/8/3038)

Additional info for A Guide to Kernel Exploitation: Attacking the Core

Sample text

With Ionescu, A. 2009. Microsoft Windows Internals, Fifth Edition (Microsoft Press). , and McDougall, R. 2006. Solaris Internals, Second Edition (Prentice Hall PTR). Endnote 1. Solar Designer. Getting around non executable stack (and fix). 10]. a. the Bug Grab Bag) INTRODUCTION Software has bugs. A bug is a malfunction in a program that makes the program produce incorrect results, behave in an undesired way, or simply crash/terminate unexpectedly. 9 version of the Linux Kernel: static int bluez sock create(struct socket *sock, int proto) { if (proto >= BLUEZ MAX PROTO) return EINVAL; […] return bluez proto[proto] >create(sock,proto); } In this code, the parameter proto is checked against a maximum value, to avoid reading past the size of the bluez proto array later, when proto is used as an index inside the array.

7. Balestra F, Branco RR, 2009. 06]. 8. Seacord RC, 2008. The CERT C secure coding standard. Addison Wesley. 9. Starzetz P, 2005. 05]. 10. Starzetz P, 2005. Linux kernel i386 SMP page fault handler privilege escalation, www. 05]. 11. Alexander V, 2005. securityfocus. com/bid/14785. 12. Sun Microsystems. com/app/docs/doc/ 817 6223. 13. Pol J, 2003. 03]. 14. Krahmer S, 2009. html. 45 CHAPTER Stairway to Successful Kernel Exploitation 3 INFORMATION IN THIS CHAPTER • A Look at the Architecture Level • The Execution Step • The Triggering Step • The Information-Gathering Step INTRODUCTION In Chapter 2, we said a bug becomes a security issue as soon as someone figures out how to take advantage of it.

The vulnerability would still be there. In other words, the flaw stays at a higher level; it is incidental to the architecture. 43 44 CHAPTER 2 A Taxonomy of Kernel Vulnerabilities SUMMARY In this chapter, we discussed various different vulnerability classes that may affect an operating system. We took a bottom-up approach, starting with vulnerabilities related to the dereferencing of an uninitialized, trashed, or improperly sanitized pointer. This kind of issue can, and usually does, lead directly to a successful exploitation, as you will see in Chapter 3.

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A Guide to Kernel Exploitation: Attacking the Core by Enrico Perla, Massimiliano Oldani

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