This video is an introduction to Nmap. Intro 0:00 Installation 0:31 Reverse DNS Lookup 0:59 Ping Sweep 1:50 Exclude an Address 2:34 Scanning from a List 3:24 Saving Output 3:59 Basic Port Scan 5:52 Service Scan 6:44 UDP Scan 7:34 Verbosity and Scan Speed 8:09 NSE - Default Scripts 9:24 NSE - http-Malware-host 11:09 Outro 11:58 ---------------------------------------------------- 1) Install nmap $ sudo apt update && sudo apt install nmap 2) Check version $ nmap --version 3) scan every IP in network block and do a reverse DNS lookup $ nmap -sL 192.168.1.0/24 4) Ping sweep a network $ nmap -sn --open 192.168.1.0/24 5) Exclude an IP address $ nmap -p 192.168.1.0/24 --exclude 192.168.1.1 6) Save output $ nmap -oA output scanme.nmap.org 7) Scan from a list $ nmap -iL iplist.txt 8) Adjust scan speed (-T3 is default) $ nmap -T4 scanme.nmap.org 9) Detect services that are running $ nmap -sV scanme.nmap.org 10) Scan TCP and UDP ports $ nmap -sT -sU scanme.nmap.org 11) Scan with defautl 'safe' scripts $ nmap -sV -sC scanme.nmap.org 12) A common malware scan can be performed by using $ nmap -sV --script=http-malware-host 192.168.1.105 Scritps are located at /usr/share/nmap/scripts/ ---------------------------------------------------- Follow me: SecureRandom on YouTube - null SecureRandom on LBRY / Odysee - https://odysee.com/@SecureRandom:1​​​​