OverTheWire Natas Level 28 Walkthrough

12 min read appsec
This level was the hardest for me thus far, and is in fact a mix of web security and cryptography. Cryptography is not my strong suit and I had to lean on other

OverTheWire Natas Level 27 Walkthrough

6 min read appsec
This post covers level 27 of OverTheWire’s Natas challenges. This level is a bit more of a technical gotcha than previous levels (which covered more classic OWASP-style vulnerabilities). Let’s get started!

OverTheWire Natas Level 26 Walkthrough

8 min read appsec
This level of Natas covers a PHP deserialization vulnerability. This walkthrough covers source code analysis, why these vulnerabilities work, and how to construct a proof of concept that will get us the flag.

OverTheWire Natas Level 25 Walkthrough

6 min read appsec
Only 10 levels left of Natas from OverTheWire! This level was a fun challenge, involving two different vulnerabilities to get the flag. This blog post is a walkthrough of source code analysis, and

OverTheWire Natas Level 24 Walkthrough

3 min read appsec
The Natas walkthrough series continues with level 24. This challenge is based around PHP data types and how they can affect web security. What is Natas? Natas is an online hacking game meant