Wow, this looks like an aul-ful game. I think there is a flag around here somewhere…
nc pwn.chal.csaw.io 8001

So you want to be a pwn-er huh? Well let’s throw you an easy one ;)
nc pwn.chal.csaw.io 8000
warmup

Daddy told me about cool MD5 hash collision today.
I wanna do something like that too!
ssh [email protected] -p2222 (pw:guest)

Mommy! what is a file descriptor in Linux?
ssh [email protected] -p2222 (pw:guest)

python or ruby? why not both!
https://s3.amazonaws.com/bostonkeyparty/2016/9c2b8593c64486de25698fcece7c12fa0679a224.tar.gz

I created a program for an unsolveable equation system. My friend somehow forced it to solve the equations. Can you tell me how he did it?

Hi, my name is Ruby. I like converting characters into ascii values and then calculating the sum.

Math is used in cryptography, but someone got this wrong. Can you still solve the equations?
Hint: You need to encode your answers.
Attachment: code70.zip

We all know that prime numbers are quite important in cryptography. Can you help me to find some?

People either love or hate math. Do you love it? Prove it! You just need to solve a bunch of equations without a mistake.