Hacklu CTF 2013 - Reverse 150 - RoboAuth

Task:

Oh boy, those crazy robots can't catch a break! Now they're even stealing our liquid gold from one of our beer tents! And on top of that they lock it behind some authentication system. Quick! Access it before they consume all of our precious beverage!

Download: https://ctf.fluxfingers.net/static/downloads/roboauth/RoboAuth.exe

Flag: password1_password2

Sharif CTF Quals 2013 - Exploiting 200 - sweet

Task:

nc ctf.sharif.edu 15478

Download

This service accepts our input and echoes it using variant of printf function. As you might have already understood there will be a format string vulnerability.

Sharif CTF Quals 2013 - Exploiting 100 - mellow

Task:

nc ctf.sharif.edu 61451

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We have a simple service that accepts our input and if it doesn't allow us to get a flag it shutdowns the connection.

Sharif CTF Quals 2013 - Reverse 300 - HelpMe

Task:

Download

We are provided with a Java archive (jar) that can be used to encrypt a file using an AES block cipher.

Sharif CTF Quals 2013 - Reverse 200 - Reverse200

Task:

Download

We are provided with an x86 ELF executable that crashes while trying to decrypt a key.

Sharif CTF Quals 2013 - Reverse 100 - Vault

Task:

Download

In this task we have to open a huge lock. We are provided with .NET binary and the task is the same as usual: get a flag!

Sharif CTF Quals 2013 - Steganography 200 - muse

Task:

Another hidden message!

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 We are provided with the mp3 "Knights of Cydonia" song by Muse. This container should have something hidden, therefore it is task on audio steganography topic, let's capture the flag.