RS
Raj Sheth

CTF – Windows Recon using Zenmap

Graphical recon and host scanning workflow using Zenmap. Shows visual topology, open ports, and OS detection insights.

Tools/Skills:
CTF
Windows
Nmap
Enumeration
Posted on November 18, 2025

Windows machine (Server 2012) is provided to you.

Your task is to discover the live host machines using the provided Zenmap tool. The subnet mask you need to focus on is "255.255.240.0" and CIDR 20. 

Zenmap

  • A GUI version of the Nmap tool
  • Easy for beginners use
  • Ability to store scan data into the database.
  • Plot the network diagram based on the scan result i.e services, hostname, etc.

Objective: Discover all available live hosts.

Instructions:

  • You can check the IP address of the machine by running "ipconfig" command on the command prompt i.e cmd.exe
  • Do not attack the gateway located at IP address 10.0.0.1