Everything about security


March 2018

[Angstrom CTF 2018] MadLibs Write-up (Web120)

When Ian was a kid, he loved to play goofy Madlibs all day long. Now, he’s decided to write his own website to generate them! When we checked the website, we see that we are expected to choose either┬áThe Tale… Continue Reading →

[Angstrom CTF 2018] Md5 Write-up (Web140)

defund’s a true MD5 fan, and he has a site to prove it. The website says that we need to give two different strings whose md5 hashes after prepended by the server’s secret salt are the same. It also shares… Continue Reading →

[Angstrom CTF 2018] Personal Letter Write-up (Pwn160)

Have you ever gotten tired of writing your name in the header of a letter? Well now there’s a program (source)to do it for you! Navigate to /problems/letter/ on the shell server to try your exploit out! Let’s analyze the… Continue Reading →

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