Quackerjack -- Proving Grounds (write-up)¶
Difficulty: Intermediate Box: Quackerjack (Proving Grounds) Author: dsec Date: 2025-05-01
TL;DR¶
Exploited a service on port 48208 (had to fix SSL errors in the exploit code). Got admin creds, escalated from there.¶
Target info¶
- Host: Proving Grounds target
- Services discovered via nmap
Enumeration¶



Initial foothold¶
Found exploit for port 48208. Had to fix an SSL error in the exploit code -- newer Python versions require SSL verification by default.


Got creds: admin:abgrtyu
Privesc¶


Lessons & takeaways¶
- Public exploits may need fixes for newer Python versions (especially SSL verification changes)
- Always check high-numbered ports -- services running on non-standard ports can be vulnerable