CTFs & Stuff

Can you convert the native endian representation of an integer to the ascii equivalent? … Continue readingExploit Education | Phoenix | Net One Solution

Can you convert string provided to the native endian of the architecture the binary is running on? … Continue readingExploit Education | Phoenix | Net Zero Solution

Where does Stack Six go wrong, and what can you do with it? … Continue readingExploit Education | Phoenix | Stack Six Solution

As opposed to executing an existing function in the binary, this time we’ll be introducing the concept of “shell code”, and being able to execute our own code … Continue readingExploit Education | Phoenix | Stack Five Solution

Stack Four takes a look at what can happen when you can overwrite the saved instruction pointer (standard buffer overflow) … Continue readingExploit Education | Phoenix | Stack Four Solution

Stack Three looks at overwriting function pointers stored on the stack … Continue readingExploit Education | Phoenix | Stack Three Solution

Stack Two takes a look at environment variables, and how they can be set … Continue readingExploit Education | Phoenix | Stack Two Solution

This level looks at the concept of modifying variables to specific values in the program, and how the variables are laid out in memory … Continue readingExploit Education | Phoenix | Stack One Solution

This level introduces the concept that memory can be accessed outside of its allocated region, how the stack variables are laid out, and that modifying outside of the allocated memory can modify program execution … Continue readingExploit Education | Phoenix | Stack Zero Solution

I’ll be working through the Phoenix challenges and posting my solution to each level. This initial post will describe how to get setup to follow along … Continue readingExploit Education | Phoenix | Setup