使用Netcat进行攻击

https://www.freebuf.com/column/135007.html

在网上找到了一个开启了ftp服务的服务：

http://static.vhdong.com/Upload/Templates/

扫描了一下 是21端口   121.41.89.5

但是ftp的匿名访问并没有开启吧， 连不上的

root@kali:/home/test# ping  static.vhdong.com
PING static.vhdong.com (121.41.89.5) () bytes of data.
 bytes from 121.41.89.5 (121.41.89.5): icmp_seq= ttl= time=30.2 ms
 bytes from 121.41.89.5 (121.41.89.5): icmp_seq= ttl= time=30.1 ms
^C
--- static.vhdong.com ping statistics ---
 packets transmitted,  received, % packet loss, time 3ms
rtt min/avg/max/mdev = 30.054/30.116/30.179/0.184 ms

root@kali:/home/test# nmap   static.vhdong.com
Starting Nmap 7.70 ( https://nmap.org ) at 2019-01-08 09:52 CST
Nmap scan report for static.vhdong.com (121.41.89.5)
Host is up (.031s latency).
Not shown:  filtered ports
PORT     STATE SERVICE
/tcp   open  ftp
/tcp   open  http
/tcp open  ms-wbt-server

Nmap done:  IP address ( host up) scanned in 17.94 seconds

root@kali:/home/test# nc 121.41.89.5
-FileZilla Server 0.9. beta
-written by Tim Kosse ([e-mail])
 Please visit https://filezilla-project.org/
USER anyone
 Password required for anyone
PASS anyone
 Login or password incorrect!
USER  Login time exceeded. Closing control connection.
root@kali:/home/test# nc 121.41.89.5
-FileZilla Server 0.9. beta
-written by Tim Kosse ([e-mail])
 Please visit https://filezilla-project.org/
USER anonymous
 Password required for anonymous
PASS anonymous
 Login or password incorrect!
pwd
 Please log in with USER and PASS first.
 Login time exceeded. Closing control connection.
root@kali:/home/test# nc 121.41.89.5
-FileZilla Server 0.9. beta
-written by Tim Kosse ([e-mail])
 Please visit https://filezilla-project.org/
USER root
 Password required for root
PASS root
 Login or password incorrect!
help
-The following commands are recognized:
   ABOR   ADAT   ALLO   APPE   AUTH   CDUP   CLNT   CWD
   DELE   EPRT   EPSV   FEAT   HASH   HELP   LIST   MDTM
   MFMT   MKD    MLSD   MLST   MODE   NLST   NOOP   NOP
   OPTS   P@SW   PASS   PASV   PBSZ   PORT   PROT   PWD
   QUIT   REST   RETR   RMD    RNFR   RNTO   SITE   SIZE
   STOR   STRU   SYST   TYPE   USER   XCUP   XCWD   XMKD
   XPWD   XRMD
 Have a nice day.
pwd
 Please log in with USER and PASS first.
 Login time exceeded. Closing control connection.
root@kali:/home/test#