Nmap duplicates NSE Script

Script Overview

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Script source code: https://github.com/nmap/nmap/tree/master/scripts/duplicates.nse
Script categories: safe
Target service / protocol: -
Target network port(s): -
List of CVEs: -

Script Description

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The duplicates.nse script attempts to discover multihomed systems by analysing and comparing information collected by other scripts. The information analyzed currently includes, SSL certificates, SSH host keys, MAC addresses, and Netbios server names.

In order for the script to be able to analyze the data it has dependencies to the following scripts: ssl-cert,ssh-hostkey,nbtstat.

One or more of these scripts have to be run in order to allow the duplicates script to analyze the data.

Duplicates NSE Script Arguments

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The duplicates.nse script does not have any arguments.

Duplicates NSE Script Example Usage

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Here's an example of how to use the duplicates.nse script:

sudo nmap -PN -p445,443 --script duplicates,nbstat,ssl-cert <ips>

Duplicates NSE Script Example Output

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Here's a sample output from the duplicates.nse script:

| duplicates:
|   ARP
|       MAC: 01:23:45:67:89:0a
|           192.168.99.10
|           192.168.99.11
|   Netbios
|       Server Name: WIN2KSRV001
|           192.168.0.10
|_          192.168.1.10

Duplicates NSE Script Example XML Output

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There is no sample XML output for this module. However, by providing the -oX <file> option, Nmap will produce a XML output and save it in the file.xml file.

Author

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• Patrik Karlsson

References

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• https://nmap.org/nsedoc/scripts/duplicates.html
• https://github.com/nmap/nmap/tree/master/scripts/duplicates.nse

See Also

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Visit Nmap NSE Library for more scripts.