CrossCTF_2017: Finals Attack

Category: Finals Points: 10 Description:

Time to practice for the finals! Write a python script that exploits the target at the domain 'challenge_runner'. Remember to test it locally first with the following command! while true;do nc -l -p 9001 -e ./one done; File here

Write-up

A really simple one, considering that the binary was buffer overflowable, we just have to do the same here for attacking.

Solution

Instead of running this, upload it into the server to get the flag.

Therefore, the flag is CrossCTF{EXPL01T1NG_M3_1Z_H@RD}.

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