312-50V13 · Question #207
Jim, a professional hacker, targeted an organization that is operating critical Industrial Infrastructure. Jim used Nmap to scan open pons and running services on systems connected to the…
The correct answer is B. nmap -Pn -sU -p 44818 --script enip-info < Target IP >. The Nmap command nmap -Pn -sU -p 44818 --script enip-info <Target IP> is used to identify Ethernet/IP devices and gather detailed information from them on OT networks.
Question
Options
- Anmap -Pn -sT --scan-delay 1s --max-parallelism 1 -p < Port List > < Target IP >
- Bnmap -Pn -sU -p 44818 --script enip-info < Target IP >
- Cnmap -Pn -sT -p 46824 < Target IP >
- Dnmap -Pn -sT -p 102 --script s7-info < Target IP >
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Why each option
The Nmap command `nmap -Pn -sU -p 44818 --script enip-info <Target IP>` is used to identify Ethernet/IP devices and gather detailed information from them on OT networks.
This command uses a generic TCP scan (`-sT`) and does not include the specific NSE script required to query Ethernet/IP devices for detailed information.
The command `nmap -Pn -sU -p 44818 --script enip-info < Target IP >` correctly identifies the use of a UDP scan (`-sU`) on port 44818, which is the standard port for Ethernet/IP (CIP - Common Industrial Protocol) traffic. The `--script enip-info` is an Nmap Scripting Engine (NSE) script specifically designed to query Ethernet/IP devices and extract vendor name, product code and name, device name, and IP address.
This command is a generic TCP scan (`-sT`) on port 46824, which is not the standard port for Ethernet/IP (CIP), and it lacks the necessary NSE script for information gathering.
The `--script s7-info` is used for Siemens S7 PLC devices, typically on TCP port 102, not for generic Ethernet/IP devices.
Concept tested: Nmap Scripting Engine (NSE) for ICS/OT reconnaissance
Source: https://nmap.org/nsedoc/scripts/enip-info.html
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