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Solving the November 13th Detective Nevil Mystery Challenge

Solving the November 13th Detective Nevil Mystery Challenge

Overview Each week on Friday, we post a social media challenge known as “Detective Nevil Mystery Challenge”.  On November 13th of 2020, we released a challenge that contained a payload and it was only solved by one person on twitter.  That challenge is as follows: I decided it might be a good idea to do …

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LD_PRELOAD: Not-So-Random

Not-So-Random: Using LD_PRELOAD to Hijack the rand() Function

    Today I wanted to continue the series on using LD_PRELOAD.  In today’s post we are going to use LD_PRELOAD to hijack the rand() function in a simple random number guessing game to control the generation of random numbers and effectively be able to cheat in this simple game by making it extremely predictable.  The code …

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