Defcon 20 CTF Prequals 2012 – Grab Bag 400 Writeup

In the Grab Bag 400 challenge of Defcon 20 CTF Prequals 2012 we had the following mission: “What is Jeff Moss’ checking account balance?“, and we were provided with a user and a password:

  • User: blacksheep
  • Password: luvMeSomeSheep

So we were presented with the following fake bank website:

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Defcon 20 CTF Prequals 2012 – Forensics 300 Writeup

So Defcon 20 CTF Prequals 2012 has finished! As in PlaidCTF, I’d like to say thank you to my teammate, Archie!

Let’s start with the Forensics 300 writeup.

The description of the challenge was just “Please get my key back!“, and we were provided with a file named for300-47106ef450c4d70ae95212b93f11d05d.

Let’s start examining the file:


francisco@sherminator:~/Downloads$ file for300-47106ef450c4d70ae95212b93f11d05d
for300-47106ef450c4d70ae95212b93f11d05d: data

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