Home page logo
/
Intro Reference Guide Book Install Guide
Download Changelog Zenmap GUI Docs
Bug Reports OS Detection Propaganda Related Projects
In the Movies In the News

File modbus-discover

Script types: portrule
Categories: discovery, intrusive
Download: http://nmap.org/svn/scripts/modbus-discover.nse

User Summary

Enumerates SCADA Modbus slave ids (sids) and collects their device information.

Modbus is one of the popular SCADA protocols. This script does Modbus device information disclosure. It tries to find legal sids (slave ids) of Modbus devices and to get additional information about the vendor and firmware. This script is improvement of modscan python utility written by Mark Bristow.

Information about MODBUS protocol and security issues:

Script Arguments

aggressive

- boolean value defines find all or just first sid

Example Usage

nmap --script modbus-discover.nse --script-args='modbus-discover.aggressive=true' -p 502 <host>

Script Output

PORT    STATE SERVICE
502/tcp open  modbus
| modbus-discover:
|   sid 0x64:
|     Slave ID data: \xFA\xFFPM710PowerMeter
|     Device identification: Schneider Electric PM710 v03.110
|   sid 0x96:
|_    error: GATEWAY TARGET DEVICE FAILED TO RESPONSE

Requires


Author: Alexander Rudakov

License: Same as Nmap--See http://nmap.org/book/man-legal.html

Nmap Site Navigation

Intro Reference Guide Book Install Guide
Download Changelog Zenmap GUI Docs
Bug Reports OS Detection Propaganda Related Projects
In the Movies In the News
[ Nmap | Sec Tools | Mailing Lists | Site News | About/Contact | Advertising | Privacy ]