$$\
$$ |
$$$$$$$$\ $$ | $$$$$$\ $$\ $$\ $$\ $$$$$$\ $$$$$$\ $$$$$$\$$$$\
\____$$ |$$ |$$ __$$\ $$ | $$ | $$ |$$ __$$\ \____$$\ $$ _$$ _$$\
$$$$ _/ $$ |$$ / $$ |$$ | $$ | $$ |$$ | \__|$$$$$$$ |$$ / $$ / $$ |
$$ _/ $$ |$$ | $$ |$$ | $$ | $$ |$$ | $$ __$$ |$$ | $$ | $$ |
$$$$$$$$\ $$ |\$$$$$$ |\$$$$$\$$$$ |$$ | $$\\$$$$$$$ |$$ | $$ | $$ |
\________|\__| \______/ \_____\____/ \__| \__|\_______|\__| \__| \__|
This exercise is a classical stack overflow escenario. We have write operation to a buffer in which the length is not controlled, and can be used to redirect the execution...
In this exercise, we are getting really close to what a classical stack overflow scenario is. However, in stack4 we still don’t need a shellcode to solve the exercise, as...
In this exercise, things start to be more fun. Until now the objective of the previous exercises was to overwrite a value of a variable in order to alter the...
In this third exercise of protostar we have to overwrite, again, the variable “modified” with a concrete value in order to get the “good boy” message. This time, we must overwrite...