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GDB assembly injection?

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Started by Acedia, Sep 02 2010 11:05 AM

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#1
Acedia
Posted 02 September 2010 - 11:05 AM

Acedia

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Hi, I'm working on an assignment for a computer security class. I've been given an executable with a faulty function called "decode" and a text file with the corrected version of "decode" in hexadecimal/assembly format. I need to know if there is a way in GDB to execute arbitrary assembly instructions or inject/replace instructions in the code. I do not have the source code for the executable (obviously). Any help?

#2
dargueta
Posted 20 October 2010 - 06:46 AM

dargueta

    Writes binary right handed and hex left handed

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This might be what you're looking for.
Code Injection into Running Linux Application - CodeProject
sudo rm -rf /
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