网络安全审计工具Nmap如何使用

网络安全审计工具Nmap如何使用，针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。

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一.软件下载

https://nmap.org/download.html

二.扫描IP

nmap 192.168.1.10 #扫描单IP

nmap 192.168.1.10-100 #扫描IP段

nmap 192.168.1.10 192.168.1.11 #扫描单独的多IP

nmap 192.168.1.1/24 #扫描整个网段

nmap -iL list.txt #根据文件列表扫描

#list.txt

192.168.1.20

192.168.1.21

nmap -iR 3 # 随机扫描3个IP

nmap 192.168.1.10-100 --exclude 192.168.1.20 #排除指定IP

nmap 192.168.1.1/24 --excludefile list.txt #从文件中取出排除IP

nmap -A 192.168.1.10 #-Ａ将绝大多数有用的扫描命令集成在一起

－ｏ　用来识别远程操作系统

－ｓＣ　用来运行默认的脚本扫描

-Pn #Ping No不用ping 扫描

-sP #simple Ping 简单嗅探一个网络里面的在线主机

-PS #用ping 进行扫描

-PU #嗅控UDP

-p # 0-65535 #指定端口

-PA # ACK协议

-PY #CTP协议

-PE #不带参数默认的方式 ICMP

-PP #ICMP时间戳嗅控命令，用来嗅探被防火墙保护的目标

-PO1，2，3 #选择不同协议扫描1是ICMP 2 IGMP 4 IP

--traceroute IP #路由过程

-R #DNS反向查的

nmap --system-dns 192.168.1.10 #使用主机系统各DNS自己的解析器

nmap --dns-servers 202.103.24.68 192.168.1.10 #指定DNS服务器

nmap -sL 192.168.1/24 #快速得到主机列表

-sS #TCP SYN 扫描

-sT #

Nmap 7.70 ( https://nmap.org )

Usage: nmap [Scan Type(s)] [Options] {target specification}

TARGET SPECIFICATION:

Can pass hostnames, IP addresses, networks, etc.

Ex: scanme.nmap.org, microsoft.com/24, 192.168.0.1; 10.0.0-255.1-254

-iL : Input from list of hosts/networks

-iR : Choose random targets

--exclude : Exclude hosts/networks

--excludefile : Exclude list from file

HOST DISCOVERY:

-sL: List Scan - simply list targets to scan

-sn: Ping Scan - disable port scan

-Pn: Treat all hosts as online -- skip host discovery

-PS/PA/PU/PY[portlist]: TCP SYN/ACK, UDP or SCTP discovery to given ports

-PE/PP/PM: ICMP echo, timestamp, and netmask request discovery probes

-PO[protocol list]: IP Protocol Ping

-n/-R: Never do DNS resolution/Always resolve [default: sometimes]

--dns-servers : Specify custom DNS servers

--system-dns: Use OS's DNS resolver

--traceroute: Trace hop path to each host

SCAN TECHNIQUES:

-sS/sT/sA/sW/sM: TCP SYN/Connect()/ACK/Window/Maimon scans

-sU: UDP Scan

-sN/sF/sX: TCP Null, FIN, and Xmas scans

--scanflags : Customize TCP scan flags

-sI : Idle scan

-sY/sZ: SCTP INIT/COOKIE-ECHO scans

-sO: IP protocol scan 开通协议扫描

-b : FTP bounce scan

PORT SPECIFICATION AND SCAN ORDER:

-p : Only scan specified ports 指定扫描的端口

Ex: -p22; -p1-65535; -p U:53,111,137,T:21-25,80,139,8080,S:9

--exclude-ports : Exclude the specified ports from scanning

-F: Fast mode - Scan fewer ports than the default scan 快速扫描1000多个常用端口

-r: Scan ports consecutively - don't randomize

--top-ports : Scan most common ports

--port-ratio : Scan ports more common than

SERVICE/VERSION DETECTION:

-sV: Probe open ports to determine service/version info

--version-intensity : Set from 0 (light) to 9 (try all probes)

--version-light: Limit to most likely probes (intensity 2)

--version-all: Try every single probe (intensity 9)

--version-trace: Show detailed version scan activity (for debugging)

SCRIPT SCAN:

-sC: equivalent to --script=default

--script=: is a comma separated list of

directories, script-files or script-categories

--script-args=: provide arguments to scripts

--script-args-file=filename: provide NSE script args in a file

--script-trace: Show all data sent and received

--script-updatedb: Update the script database.

--script-help=: Show help about scripts.

is a comma-separated list of script-files or

script-categories.

OS DETECTION:

-O: Enable OS detection

--osscan-limit: Limit OS detection to promising targets

--osscan-guess: Guess OS more aggressively

TIMING AND PERFORMANCE:

Options which take are in seconds, or append 'ms' (milliseconds),

's' (seconds), 'm' (minutes), or 'h' (hours) to the value (e.g. 30m).

-T<0-5>: Set timing template (higher is faster)

--min-hostgroup/max-hostgroup : Parallel host scan group sizes

--min-parallelism/max-parallelism : Probe parallelization

--min-rtt-timeout/max-rtt-timeout/initial-rtt-timeout : Specifies

probe round trip time.

--max-retries : Caps number of port scan probe retransmissions.

--host-timeout : Give up on target after this long

--scan-delay/--max-scan-delay : Adjust delay between probes

--min-rate : Send packets no slower than per second

--max-rate : Send packets no faster than per second

FIREWALL/IDS EVASION AND SPOOFING:

-f; --mtu : fragment packets (optionally w/given MTU)

-D : Cloak a scan with decoys

-S : Spoof source address

-e : Use specified interface

-g/--source-port : Use given port number

--proxies : Relay connections through HTTP/SOCKS4 proxies

--data : Append a custom payload to sent packets

--data-string : Append a custom ASCII string to sent packets

--data-length : Append random data to sent packets

--ip-options : Send packets with specified ip options

--ttl : Set IP time-to-live field

--spoof-mac : Spoof your MAC address

--badsum: Send packets with a bogus TCP/UDP/SCTP checksum

OUTPUT:

-oN/-oX/-oS/-oG : Output scan in normal, XML, s|

and Grepable format, respectively, to the given filename.

-oA : Output in the three major formats at once

-v: Increase verbosity level (use -vv or more for greater effect)

-d: Increase debugging level (use -dd or more for greater effect)

--reason: Display the reason a port is in a particular state

--open: Only show open (or possibly open) ports

--packet-trace: Show all packets sent and received

--iflist: Print host interfaces and routes (for debugging)

--append-output: Append to rather than clobber specified output files

--resume : Resume an aborted scan

--stylesheet : XSL stylesheet to transform XML output to HTML

--webxml: Reference stylesheet from Nmap.Org for more portable XML

--no-stylesheet: Prevent associating of XSL stylesheet w/XML output

MISC:

-6: Enable IPv6 scanning

-A: Enable OS detection, version detection, script scanning, and traceroute

--datadir : Specify custom Nmap data file location

--send-eth/--send-ip: Send using raw ethernet frames or IP packets 隐藏IP

--privileged: Assume that the user is fully privileged

--unprivileged: Assume the user lacks raw socket privileges

-V: Print version number

-h: Print this help summary page.

EXAMPLES:

nmap -v -A scanme.nmap.org

nmap -v -sn 192.168.0.0/16 10.0.0.0/8

nmap -v -iR 10000 -Pn -p 80

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