Solutions and walkthroughs for OverTheWire Natas levels 6–10.

Writeup for picoCTF 'PIE TIME' — binary exploitation focused on Position Independent Executables (PIE).

Writeup for picoCTF 'Transformation' — reverse engineering and forensic techniques for Unicode/encoding challenges, with Python examples.

Writeup for picoCTF 'n0s4n1ty 1' — analysis of the file-upload vector and how it leads to remote code execution (RCE).

Walkthrough and solution for the picoCTF challenge 'Flag Hunters', focusing on Python input injection and reverse engineering.

Walkthrough and solution for the picoCTF challenge 'Cookies', covering IDOR and cookie-based vulnerabilities.

Writeup for picoCTF 'SSTI1' — covering Server-Side Template Injection (SSTI) in web applications.

Compact walkthroughs and solutions for OverTheWire Natas levels 0–5.