Let’s jump into the demo and start some actions!
Windows Target Host
Now, on this machine, I blocked all the ICMP packet coming into the box using the File and Printer Sharing rules, and if you look at the left side, I selected the Inbound Rules:
Let’s jump into Kali and check how we can identify this live host!
Ping Using Kali
First I will ping the destination windows box, and I’m using the C option to count three times before it stops.
As you can see the ping tool is saying that my destination is not up and running, but that’s not the case right?
ARP Scan Using Kali
Let’s try to take advantage of the ARP table, and scan using the ARP scan tool!
And this time the tool has identified that our host is alive:
That’s good on the LAN network, but what if I’m targeting a host on the internet? Then, we don’t have the ARP table available to us.
And by the way, if you like this article, I have more detailed online courses about Nmap & Scanning:
Penetration Testing With Kali Linux – Online Course:
Internal Footprinting: Reconnaissance and Mapping:
Nmap Ping Scan Using Kali
Alright, I will use the ping scan in Nmap to get the job done using the -sn option.
And voilà! I have the full hostname along with the domain name that it belongs to:
And I can see clearly that the host is up and running as well:
Nmap Ping Scan Explained
Now, why Nmap is so powerful using the ping scan to identify live hosts?
I’m assuming that you’re running a root user while executing Nmap in order to take advantage of all these features.
- First of all, it sends an ICMP echo request
- Second, it sends an ICMP timestamp request
- After that, it will send a TCP ACK on port 80, and that’s very effective for live internet hosts
- Along with TCP SYN packet on port 443 for HTTPS
- Finally, Nmap will send an ARP request which is very powerful on the LAN network
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