Using ICMPSH BACKDOOR

To do this pentest, you can have 2 packets:
Download impacket: link here
Download icmpsh: link here

Virtual Machine:
+ Kali Linux 2018.2: 192.168.255.148
+ Windows 7 32bit: 192.168.255.146

Firstly, you must copy 2 files into Kali Linux machine and un-compress 2 files.
And after that, installing impacket in Kali Linux machine:

Run this below command:

For Windows 7 machine:

And for Kali Linux machine:

Supposedly I send ping with backdoor packet ...
Copy file icmpsh.exe in a folder in Kali Linux machine into Windows 7.

And run this command:

Wow, the result: 

Detecting backdoors:

A lot of packets are sent from victim to hacker.

See you soon when I find out a subject attract anyone :)