Backdoor Development: Creating a Trojanized System Binary with C 

Repository: github.com/Drew-Alleman/netst...
0:59 - Downloading and setting up netstat source
1:56 - Importing C Socket libraries
2:34 - Defining Constants
3:45 - Creating the backdoor function
10:57 - Testing trojan
12:00 - Making the backdoor run in the background
14:57 - Modifying the netstat output to hide the backdoor
17:33 - Testing the new trojan binary
18:18 - Virustotal report of the Trojan
18:43 - Replacing the orginal netstat binary
--- Resources
book.hacktricks.xyz/welcome/r...
gtfobins.github.io/
github.com/danielmiessler/Sec...
highon.coffee/blog/reverse-sh...
github.com/BlackArch/webshells