Netcat is a general purpose utility for communicating across a network. In this video, learn about the netcat tool and how to use it to connect between computers.
- [Instructor] Netcat is often referred to … as the Swiss Army knife of networking … because it has so many features and so many uses. … At its basic level, Netcat operates as either a sender … or a receiver of arbitrary data across the network. … Netcat is often installed by default, … and we can check its location … by typing at the command line which nc. … And we can see we're installed in /bin. … As with most of the tools, … we can see the help page by using the h switch. … We look at a few of these options … as we learn about Netcat in this course. … Let's start by setting up a chat line … between Hydra and Scorpio. … I'll set up a Netcat listener on Scorpio … by specifying the minus l option … and a port number with the minus p option. … Let's go ahead … and type nc -lp 4545. … Netcat is now listening for data to come in on port 4545. … Note that I've typed -lp. … I could have typed minus l minus p, … but Netcat is quite happy … with us specifying both options together. … You'll also see the vnn options used on listeners …
- Hackers and the kill chain
- Viruses, spyware, and adware
- Detecting malware with Windows Defender
- Using Windows Firewall and Linux iptables
- Scanning with Nmap
- Monitoring network communications with Netcat
- Combating application-level threats
- Scanning a website to check for vulnerabilities
- Capturing intruders through packet inspection
Skill Level Beginner
Insights from a Cybersecurity Professionalwith Mike Chapple32m 15s Intermediate
1. Why Cybersecurity?
4. Network Scanning
5. Network Connections
6. Vulnerability Scanning
7. Web Applications
8. Monitoring Packets
Next steps1m 27s
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