Posted by Klaus Eisentraut in ctf
After my first success at DEF CON CTF Qualifier 2019, I was motivated to try another one of the challenges.
The challenge was the following completely black picture:
The additional text was: Everything you need is in this file.
First thing I did was running identify …
Posted by Klaus Eisentraut in ctf
On Saturday afternoon, I tried a few challenges of the DEF CON CTF Qualifiers. I only was curious and took a quick look, I didn't expect to solve an actual challenge at all. However, one of it was so easy that I solved it almost immediately. Please note, that - despite …
Posted by Klaus Eisentraut in ctf
This is a post from my vortex Wargame series. Please find the links to my previous solutions here: Level #0 and #1, Level #2, Level #3, Level #4, Level #5, Level #6.
Level #7 was a relatively easy one.
We need to exploit a simple strcpy buffer overflow …