06 - random
The Challenge
Daddy, teach me how to use random value in programming!
ssh random@pwnable.kr -p2222 (pw:guest)
The Solution

Whats off here? This is not how you use rand()! This is how you use rand.
As a result of that, the same number will be generated over and over again. Here it is:

After XORing with 0xdeadbeef and translating to a number:

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