Web信息收集-目标扫描-Nmap

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一、Nmap简介

Nmap是安全渗透领域最强大的开源端口扫描器，能跨平台支持运行。

官网：Https://nmap.org/

官网：http://sectools.org/

二、扫描示例

使用主机名扫描：

[root@server1 ~]# nmap server2.tecmint.com

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 15:42 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.415 seconds

You have new mail in /var/spool/mail/root

使用IP地址扫描：

[root@server1 ~]# nmap 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-18 11:04 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

958/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.465 seconds

You have new mail in /var/spool/mail/root

扫描多台主机：

在Nmap命令后加上多个IP地址或主机名来扫描多台主机。

[root@server1 ~]# nmap 192.168.0.101 192.168.0.102 192.168.0.103

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:06 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 3 IP addresses (1 host up) scanned in 0.580 seconds

扫描整个子网

可以使用*通配符来扫描整个子网或某个范围的IP地址。

[root@server1 ~]# nmap 192.168.0.*

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:11 EST

Interesting ports on server1.tecmint.com (192.168.0.100):

Not shown: 1677 closed ports

PORT    STATE SERVICE

22/tcp  open  ssh

111/tcp open  rpcbind

851/tcp open  unknown

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 256 IP addresses (2 hosts up) scanned in 5.550 seconds

You have new mail in /var/spool/mail/root

使用IP地址的最后一个字节扫描多台服务器

可以简单的指定IP地址的最后一个字节来对多个IP地址进行扫描。例如，我在下面执行中扫描了IP地址192.168.0.101，192.168.0.102和192.168.0.103。

[root@server1 ~]# nmap 192.168.0.101,102,103

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:09 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 3 IP addresses (1 host up) scanned in 0.552 seconds

You have new mail in /var/spool/mail/root

从一个文件中扫描主机列表

如果你有多台主机需要扫描且所有主机信息都写在一个文件中，那么你可以直接让nmap读取该文件来执行扫描，让我们来看看如何做到这一点。

创建一个名为“nmaptest.txt ”的文本文件，并定义所有你想要扫描的服务器IP地址或主机名。

[root@server1 ~]# cat > nmaptest.txt

localhost

server2.tecmint.com

192.168.0.101

接下来运行带“iL” 选项的nmap命令来扫描文件中列出的所有IP地址：

[root@server1 ~]# nmap -iL nmaptest.txt

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-18 10:58 EST

Interesting ports on localhost.localdomain (127.0.0.1):

Not shown: 1675 closed ports

PORT    STATE SERVICE

22/tcp  open  ssh

25/tcp  open  smtp

111/tcp open  rpcbind

631/tcp open  ipp

857/tcp open  unknown

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

958/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

958/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 3 IP addresses (3 hosts up) scanned in 2.047 seconds

扫描一个IP地址范围

以在nmap执行扫描时指定IP范围。

[root@server1 ~]# nmap 192.168.0.101-110

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:09 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 10 IP addresses (1 host up) scanned in 0.542 seconds

排除一些远程主机后再扫描

在执行全网扫描或用通配符扫描时你可以使用“-exclude”选项来排除某些你不想要扫描的主机。

[root@server1 ~]# nmap 192.168.0.* --exclude 192.168.0.100

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:16 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 255 IP addresses (1 host up) scanned in 5.313 seconds

You have new mail in /var/spool/mail/root

扫描操作系统信息和路由跟踪

使用Nmap，你可以检测远程主机上运行的操作系统和版本。为了启用操作系统和版本检测，脚本扫描和路由跟踪功能，我们可以使用NMAP的“-A“选项。

[root@server1 ~]# nmap -A 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:25 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE VERSION

22/tcp   open  ssh     OpenSSH 4.3 (protocol 2.0)

80/tcp   open  http    Apache httpd 2.2.3 ((CentOS))

111/tcp  open  rpcbind  2 (rpc #100000)

957/tcp  open  status   1 (rpc #100024)

3306/tcp open  mysql   MySQL (unauthorized)

8888/tcp open  http    lighttpd 1.4.32

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

No exact OS matches for host (If you know what OS is running on it, see http://www.insecure.org/cgi-bin/nmap-submit.cgi).

TCP/IP fingerprint:

SInfo(V=4.11%P=i686-redhat-linux-gnu%D=11/11%Tm=52814B66%O=22%C=1%M=080027)

TSeq(Class=TR%IPID=Z%TS=1000HZ)

T1(Resp=Y%DF=Y%W=16A0%ACK=S++%Flags=AS%Ops=MNNTNW)

T2(Resp=N)

T3(Resp=Y%DF=Y%W=16A0%ACK=S++%Flags=AS%Ops=MNNTNW)

T4(Resp=Y%DF=Y%W=0%ACK=O%Flags=R%Ops=)

T5(Resp=Y%DF=Y%W=0%ACK=S++%Flags=AR%Ops=)

T6(Resp=Y%DF=Y%W=0%ACK=O%Flags=R%Ops=)

T7(Resp=Y%DF=Y%W=0%ACK=S++%Flags=AR%Ops=)

PU(Resp=Y%DF=N%TOS=C0%IPLEN=164%RIPTL=148%RID=E%RIPCK=E%UCK=E%ULEN=134%DAT=E)

Uptime 0.169 days (since Mon Nov 11 12:22:15 2013)

Nmap finished: 1 IP address (1 host up) scanned in 22.271 seconds

从上面的输出你可以看到，Nmap显示出了远程主机操作系统的TCP / IP协议指纹，并且更加具体的显示出远程主机上的端口和服务。

启用Nmap的操作系统探测功能

使用选项“-O”和“-osscan-guess”也帮助探测操作系统信息。

[root@server1 ~]# nmap -O server2.tecmint.com

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:40 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

No exact OS matches for host (If you know what OS is running on it, see http://www.insecure.org/cgi-bin/nmap-submit.cgi).

TCP/IP fingerprint:

SInfo(V=4.11%P=i686-redhat-linux-gnu%D=11/11%Tm=52815CF4%O=22%C=1%M=080027)

TSeq(Class=TR%IPID=Z%TS=1000HZ)

T1(Resp=Y%DF=Y%W=16A0%ACK=S++%Flags=AS%Ops=MNNTNW)

T2(Resp=N)

T3(Resp=Y%DF=Y%W=16A0%ACK=S++%Flags=AS%Ops=MNNTNW)

T4(Resp=Y%DF=Y%W=0%ACK=O%Flags=Option -O and -osscan-guess also helps to discover OS

R%Ops=)

T5(Resp=Y%DF=Y%W=0%ACK=S++%Flags=AR%Ops=)

T6(Resp=Y%DF=Y%W=0%ACK=O%Flags=R%Ops=)

T7(Resp=Y%DF=Y%W=0%ACK=S++%Flags=AR%Ops=)

PU(Resp=Y%DF=N%TOS=C0%IPLEN=164%RIPTL=148%RID=E%RIPCK=E%UCK=E%ULEN=134%DAT=E)

Uptime 0.221 days (since Mon Nov 11 12:22:16 2013)

Nmap finished: 1 IP address (1 host up) scanned in 11.064 seconds

You have new mail in /var/spool/mail/root

扫描主机侦测防火墙

扫描远程主机以探测该主机是否使用了包过滤器或防火墙。

[root@server1 ~]# nmap -sA 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:27 EST

All 1680 scanned ports on server2.tecmint.com (192.168.0.101) are UNfiltered

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.382 seconds

You have new mail in /var/spool/mail/root

扫描主机检测是否有防火墙保护

[root@server1 ~]# nmap -PN 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:30 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.399 seconds

找出网络中的在线主机

使用“-sP”选项，我们可以简单的检测网络中有哪些在线主机，该选项会跳过端口扫描和其他一些检测。

[root@server1 ~]# nmap -sP 192.168.0.*

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-18 11:01 EST

Host server1.tecmint.com (192.168.0.100) appears to be up.

Host server2.tecmint.com (192.168.0.101) appears to be up.

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 256 IP addresses (2 hosts up) scanned in 5.109 seconds

执行快速扫描

使用“-F”选项执行一次快速扫描，仅扫描列在nmap-services文件中的端口而避开所有其它的端口。

[root@server1 ~]# nmap -F 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:47 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1234 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.322 seconds

顺序扫描端口：

[root@server1 ~]# nmap -r 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 16:52 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.363 seconds

扫描特定的端口：

使用Nmap扫描远程机器的端口有各种选项，你可以使用“-P”选项指定你想要扫描的端口，默认情况下nmap只扫描TCP端口。

[root@server1 ~]# nmap -p 80 server2.tecmint.com

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:12 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

PORT   STATE SERVICE

80/tcp open  http

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) sca

扫描TCP端口：

[root@server1 ~]# nmap -p T:8888,80 server2.tecmint.com

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:15 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

PORT     STATE SERVICE

80/tcp   open  http

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.157 seconds

扫描UDP端口：

[root@server1 ~]# nmap -sU 53 server2.tecmint.com

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:15 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

PORT     STATE SERVICE

53/udp   open  http

8888/udp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.157 seconds

扫描多个端口：

可以使用选项“-P”来扫描多个端口。

[root@server1 ~]# nmap -p 80,443 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-18 10:56 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

PORT    STATE  SERVICE

80/tcp  open   http

443/tcp closed https

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.190 seconds

扫描指定范围内的端口：

可以使用表达式来扫描某个范围内的端口。

[root@server1 ~]#  nmap -p 80-160 192.168.0.101

使用TCP Syn扫描最常用的端口：

[root@server1 ~]# nmap -sT 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 18:12 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.406 seconds

You have new mail in /var/spool/mail/root

打印主机接口和路由

使用nmap的“–iflist”选项检测主机接口和路由信息。

[root@server1 ~]# nmap --iflist

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:07 EST

************************INTERFACES************************

DEV  (SHORT) IP/MASK          TYPE     UP MAC

lo   (lo)    127.0.0.1/8      loopback up

eth0 (eth0)  192.168.0.100/24 ethernet up 08:00:27:11:C7:89

**************************ROUTES**************************

DST/MASK      DEV  GATEWAY

192.168.0.0/0 eth0

169.254.0.0/0 eth0

版本扫描

查找主机服务版本号：

[root@server1 ~]# nmap -sV 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:48 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE VERSION

22/tcp   open  ssh     OpenSSH 4.3 (protocol 2.0)

80/tcp   open  http    Apache httpd 2.2.3 ((CentOS))

111/tcp  open  rpcbind  2 (rpc #100000)

957/tcp  open  status   1 (rpc #100024)

3306/tcp open  mysql   MySQL (unauthorized)

8888/tcp open  http    lighttpd 1.4.32

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 12.624 seconds

使用TCP ACK (PA)和TCP Syn (PS)扫描远程主机

有时候包过滤防火墙会阻断标准的ICMP ping请求，在这种情况下，我们可以使用TCP ACK和TCP Syn方法来扫描远程主机。

[root@server1 ~]# nmap -PS 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 17:51 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.360 seconds

You have new mail in /var/spool/mail/root

使用TCP ACK扫描远程主机上特定的端口

[root@server1 ~]# nmap -PA -p 22,80 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 18:02 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

PORT   STATE SERVICE

22/tcp open  ssh

80/tcp open  http

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.166 seconds

You have new mail in /var/spool/mail/root

使用TCP Syn扫描远程主机上特定的端口

[root@server1 ~]# nmap -PS -p 22,80 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 18:08 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

PORT   STATE SERVICE

22/tcp open  ssh

80/tcp open  http

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.165 seconds

You have new mail in /var/spool/mail/root

执行一次隐蔽的扫描

[root@server1 ~]# nmap -sS 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 18:10 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.383 seconds

You have new mail in /var/spool/mail/root

执行TCP空扫描以骗过防火墙

[root@server1 ~]# nmap -sN 192.168.0.101

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 19:01 EST

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE         SERVICE

22/tcp   open|filtered ssh

80/tcp   open|filtered http

111/tcp  open|filtered rpcbind

957/tcp  open|filtered unknown

3306/tcp open|filtered mysql

8888/tcp open|filtered sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 1.584 seconds

You have new mail in /var/spool/mail/root

扫描使用“-v”选项

[root@server1 ~]# nmap -v server2.tecmint.com

Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2013-11-11 15:43 EST

Initiating ARP Ping Scan against 192.168.0.101 [1 port] at 15:43

The ARP Ping Scan took 0.01s to scan 1 total hosts.

Initiating SYN Stealth Scan against server2.tecmint.com (192.168.0.101) [1680 ports] at 15:43

Discovered open port 22/tcp on 192.168.0.101

Discovered open port 80/tcp on 192.168.0.101

Discovered open port 8888/tcp on 192.168.0.101

Discovered open port 111/tcp on 192.168.0.101

Discovered open port 3306/tcp on 192.168.0.101

Discovered open port 957/tcp on 192.168.0.101

The SYN Stealth Scan took 0.30s to scan 1680 total ports.

Host server2.tecmint.com (192.168.0.101) appears to be up ... good.

Interesting ports on server2.tecmint.com (192.168.0.101):

Not shown: 1674 closed ports

PORT     STATE SERVICE

22/tcp   open  ssh

80/tcp   open  http

111/tcp  open  rpcbind

957/tcp  open  unknown

3306/tcp open  mysql

8888/tcp open  sun-answerbook

MAC Address: 08:00:27:D9:8E:D7 (Cadmus Computer Systems)

Nmap finished: 1 IP address (1 host up) scanned in 0.485 seconds

               Raw packets sent: 1681 (73.962KB) | Rcvd: 1681 (77.322KB)

脚本扫描

/usr/shar/nmap/scripts#

nmap --script=default 192.168.106.1

nmap --script=auth 192.168.106.1

nmap --script=brute 192.168.106.1

nmap --script=vuln 192.168.106.1

nmap --script=broadcast 192.168.106.1

nmap --script=smb-brute.nse 192.168.106.1

nmap --script=smb-check-vulns.nse --script-args=unsafe=1 192.168.106.1

nmap --script=smb-vuln-conficker.nse --script-args=unsafe=1 192.168.106.1

nmap -p3306 --script=mysql-empty-password.nse 192.168.106.1

三、Nmap图形化界面-Zenmap

3.1 Intense scan

Nmap -T4 -A -v 192.168.106.1

  • -T 设置速度登记，1到5级，数字越大，速度越快
  • -A 综合扫描
  • -v 输出扫描过程

3.2 Intense scan plus UDP

Nmap -sS -sU -T4 -A -v 192.168.106.1

  • -sS TCP全连接扫描
  • -sU UDP扫描

3.3 Intense scan,all TCP ports

Nmap -p 65535 -T4 -A -v 192.168.106.1

  • -p 指定端口范围，默认扫描1000个端口

3.4 Intense scan no ping

Nmap -T4 -A -v -Pn 192.168.106.1/24

  • -Pn 不做ping扫描，例如针对防火墙等安全产品

3.5 ping scan

Nmap -sn 192.168.106.1/24

Nmap -sn -T4 -v 192.168.106.1/24

  • -sn 只做ping扫描，不做端口扫描

3.6 quick scan

Nmap -T4 -F 192.168.106.1

  • -F fast模式，只扫描常见服务端口，比默认端口（1000个）还少

3.7 quick scan plus

Nmap -sV -T4 -O -F --version-light 192.168.106.1

  • -sV 扫描系统和服务版本
  • -O 扫描操作系统版本

3.8 Quick traceroute

Nmap -sn --traceroute www.baidu.com

3.9 Regular scan

Nmap www.baidu.com

3.10 slow comprehensive scan

Nmap -sS -sU -T4 -A -v -PE -PP -PS80,443 -PA3389 -PU40125 -PY -g 53 --script “default or (discovery and safe)” www.baidu.com

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