https://blog.hakvault.com/tags/nahamsec/Recent content in Nahamsec on Dendrite // LogHugoen-usSat, 01 Aug 2026 00:00:00 +0000https://blog.hakvault.com/2026/08/why-my-nahamsec-hackinghub-reverse-shell-didnt-catch-and-why-the-web-shell-was-enough/Sat, 01 Aug 2026 00:00:00 +0000https://blog.hakvault.com/2026/08/why-my-nahamsec-hackinghub-reverse-shell-didnt-catch-and-why-the-web-shell-was-enough/<p>I ran into a classic CTF problem while working through a NahamSec HackingHub web lab: I had working command execution through a web shell, but my reverse shell refused to connect back to my machine.</p> <p>The funny part was I didn&rsquo;t actually need the reverse shell at all.</p> <h2 id="the-setup">The setup</h2> <p>The target exposed a PHP endpoint that allowed me to execute commands through a <code>cmd</code> parameter. Once I confirmed command execution worked, I tried to upgrade the web shell to a proper interactive Bash reverse shell.</p>