Stripe CTF: Level #3

Posted on ven. 26 octobre 2012 in Write-up

level03-logo.png

You can find the code for this level here.

(sha256: 8710c082daed1839806addebeda44c6e5496d44a33f7eb3f23a577b6a5fc26d5)

The company who built the vault of level 0 learned its lesson: you now have to identify before accessing your guarded secrets.

The company kindly tells you that other users have already chosen to use their product, and even …

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Stripe CTF: Level #2

Posted on sam. 13 octobre 2012 in Write-up

level02-logo.png

You can find the code for this level here.

(sha256: d175b624ed888badd795c5474ae855f711e856cc41c0757059594babe8f23413)

This level is a whole social network!

Okay, it's not, it's just a page with a profile picture. But on the bottom of the page, you can see something interesting: "Password for Level 3 (accessible only to members of …

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Stripe CTF: Level #1

Posted on sam. 13 octobre 2012 in Write-up

level01-logo.jpg

You can find the code of this level here.

(sha256: b67c313a1a3bebd8702159efae32f95f1b41885f6e00103ee53e896a53194f43)

So, this level wants you to guess a password, stored in a file named "secret-combination.txt" on the server. If you manage to do it, it'll give you the password for this level. Let's take a look at the …

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Stripe CTF: Level #0

Posted on sam. 13 octobre 2012 in Write-up

level00-logo.png

You can find the code of this level here.

(sha256: da9712a1851597d6d4b5a90224a1d0fcaa4b558f55a10ca0c7a115d18fe9dcb7)

So, this level is a safe that keeps your secrets for you. But it also keeps secrets for other people. Let's find out how we can recover the password for this level.

The page is a simple form with …

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