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 …
Solving the November 13th Detective Nevil Mystery Challenge Read More »
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 …
Not-So-Random: Using LD_PRELOAD to Hijack the rand() Function Read More »
Today I wanted to start what I plan to be a small series of blog posts about LD_PRELOAD. LD_PRELOAD is related to Linux based systems and revolves around the loader system and how shared object libraries resolve linker symbols when loading a dynamically linked ELF binary and is loaded before any other shared object libraries. …
There has been a lot of buzz around the Healthcare.gov website and the possible security vulnerabilities that it has. While many people focus on the political side of the story, or just the vulnerabilities themselves, there is a bigger issue here. An issue that spreads further than just Healthcare.gov or even government sites, but to …
Its more than Healthcare.gov: Lets fix the problem Read More »