Dfalt Blogs

MMACTF'15 RPS-50 Writeup

I read some blogs regarding this problem and saw that they had been solved in a different way than the way in which I had solved the same...

I couldn't find out the vulnerability by just looking through the code. I supplied different types of input and when I gave an input of...

This exercise provides the most basic of heap overflows. You can see in the source code of heap0 that there is a structure called fp...

This binary is running on a machine with ASLR! Can you bypass it? The binary can be found at /home/rop1/ on the shell server. The source...

In this level, once we look at the source code, we see that the function good() would give us the shell if executed. That is our...

As usual login to the server and cd into the levels directory. Looking at the source code of leve02, we can see that we need to somehow...

First login to the server using ssh. Then cd into the /levels directory where you will all the questions. Our question is level01. The...

Daedalus Corp. has a special utility for printing .cow files at /home/daedalus/supercow. Can you figure out how to get it to print out...

You found a password protected binary on the cyborg relating to its defensive security systems. Find the password and get the shutdown...

This program requires you to guess a random 32-bit number! Sounds difficult, right? There is a server running at...

Security enthusiast with a specialised interest in Binary Exploitation and pwnables