Program Security Challenges


pwn.college Archives.

Archived Shellcode and Memory Corruption challenges Archived: Fall 2025


Write and execute shellcode to read the flag, but all file descriptors (including stdin, stderr and stdout!) are closed.

Write and execute shellcode to read the flag, but your input is sorted before being executed!

Write and execute shellcode to read the flag, but your input is sorted before being executed and stdin is closed.

Overflow a buffer and leak the flag. Be warned, this requires careful and clever payload construction!

Overflow a buffer and leak the flag. Be warned, this requires careful and clever payload construction!


30-Day Scoreboard:

This scoreboard reflects solves for challenges in this module after the module launched in this dojo.

Rank Hacker Badges Score