Angstrom 2019 – Pie Shop Writeup (bad)

Pie Shop Category: BinaryPoints: 100Description: I sure love pies (source)! The biggest fluke of my LIFE. Okay so this was another simple buffer overflow again using the gets() call. BUT PIE (position independent executable) is enabled on this binary which means that the addresses of the functions within the binary change. Kinda like …

Angstrom 2019 – Cookie Cutter Writeup

Cookie Cutter Category: WebPoints: 200Description: I stumbled upon this very interesting site lately while looking for cookie recipes, which claims to have a flag. However, the admin doesn’t seem to be available and the site looks secure – can you help me out? This was an awesome challenge of both javascript quirks and …

Angstrom 2019 – High Quality Checks Writeup

High Quality Checks Category: RevPoints: 110Description: After two break-ins to his shell server, kmh got super paranoid about a third! He’s so paranoid that he abandoned the traditional password storage method and came up with this monstrosity! I reckon he used the flag as the password, can you find it? This challenge was …

Angstrom 2019 – No Sequels Writeup

No Sequels Category: WebPoints: 50Description: The prequels sucked, and the sequels aren’t much better, but at least we always have the original trilogy. This one I found really interesting because I had never done nosql injection before. Anyway we are presented with a stock standard username password form and the source code of …