Gray Hat Hacking The Ethical Hacker's Handbook, Fourth Edition by Daniel Regalado & Shon Harris & Allen Harper & Chris Eagle & Jonathan Ness & Branko Spasojevic & Ryan Linn & Stephen Sims

Gray Hat Hacking The Ethical Hacker's Handbook, Fourth Edition by Daniel Regalado & Shon Harris & Allen Harper & Chris Eagle & Jonathan Ness & Branko Spasojevic & Ryan Linn & Stephen Sims

Author:Daniel Regalado & Shon Harris & Allen Harper & Chris Eagle & Jonathan Ness & Branko Spasojevic & Ryan Linn & Stephen Sims [Regalado, Daniel]
Language: eng
Format: epub
Publisher: McGraw-Hill Education
Published: 2015-01-09T08:00:00+00:00


Congratulations, we now have a shell with the effective uid (euid) of root.

Using “return to libc” (ret2libc), we have the ability to direct application flow to other parts of the binary. By loading the stack with return paths and options to functions, when we overwrite EIP, we can direct the application flow to other parts of the application. Because we’ve loaded the stack with valid return locations and data locations, the application won’t know it has been diverted, allowing us to leverage these techniques to launch our shell.



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