Solving HTB Redeemer CTF Challenge

Task 1: Discovering the Open TCP Port

Finding the target machine’s open TCP port is the first step.

nmap 10.10.11.221  -sV -sC -T4 -p  -Pn
PORT     STATE SERVICE VERSION
6379/tcp open  redis   Redis key-value store 5.0.7;

The result reveals that TCP port 6379 is open, indicating the presence of the Redis key-value store service.

Task 2: Identifying the Running Service

To determine the service running on the open port, we refer to the previous scan result, which shows that the …

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