Nmap cheat sheet

https://hackertarget.com/nmap-cheatsheet-a-quick-reference-guide/

간단히 정리해보면,

Nmap Target Selection
Scan a single IP	nmap 192.168.1.1
Scan a host	nmap www.testhostname.com
Scan a range of IPs	nmap 192.168.1.1-20
Scan a subnet	nmap 192.168.1.0/24
Scan targets from a text file	nmap -iL list-of-ips.txt
Nmap Port Selection
Scan a single Port	nmap -p 22 192.168.1.1
Scan a range of ports	nmap -p 1-100 192.168.1.1
Scan 100 most common ports (Fast)	nmap -F 192.168.1.1
Scan all 65535 ports	nmap -p- 192.168.1.1
Nmap Port Scan types
Scan using TCP connect	nmap -sT 192.168.1.1
Scan using TCP SYN scan (default)	nmap -sS 192.168.1.1
Scan UDP ports	nmap -sU -p 123,161,162 192.168.1.1
Scan selected ports - ignore discovery	nmap -Pn -F 192.168.1.1
Service and OS Detection
Detect OS and Services	nmap -A 192.168.1.1
Standard service detection	nmap -sV 192.168.1.1
More aggressive Service Detection	nmap -sV --version-intensity 5 192.168.1.1
Lighter banner grabbing detection	nmap -sV --version-intensity 0 192.168.1.1
Nmap Output Formats
Save default output to file	nmap -oN outputfile.txt 192.168.1.1
Save results as XML	nmap -oX outputfile.xml 192.168.1.1
Save results in a format for grep	nmap -oG outputfile.txt 192.168.1.1
Save in all formats	nmap -oA outputfile 192.168.1.1
Digging deeper with NSE Scripts
Scan using default safe scripts	nmap -sV -sC 192.168.1.1
Get help for a script	nmap --script-help=ssl-heartbleed
Scan using a specific NSE script	nmap -sV -p 443 –script=ssl-heartbleed.nse 192.168.1.1
Scan with a set of scripts	nmap -sV --script=smb* 192.168.1.1
A scan to search for DDOS reflection UDP services
Scan for UDP DDOS reflectors	nmap –sU –A –PN –n –pU:19,53,123,161 –script=ntp-monlist,dns-recursion,snmp-sysdescr 192.168.1.0/24
HTTP Service Information
Gather page titles from HTTP services	nmap --script=http-title 192.168.1.0/24
Get HTTP headers of web services	nmap --script=http-headers 192.168.1.0/24
Find web apps from known paths	nmap --script=http-enum 192.168.1.0/24
Detect Heartbleed SSL Vulnerability
Heartbleed Testing	nmap -sV -p 443 --script=ssl-heartbleed 192.168.1.0/24
IP Address information
Find Information about IP address	nmap --script=asn-query,whois,ip-geolocation-maxmind 192.168.1.0/24