Some people think that only 127.0.0.1 address refers to the localhost, while in truth all valid IPv4 address beginning with 127 are synonyms and refer to the same localhost address.Īfter applying the aforementioned changes, here is what I got (follow the comments if it is not clear what's going on): The 127.1.1.1 is equivalent to 127.0.0.1 localhost address, with an advantage of eliminating zeroes. The changes include removing blocks for listen and accept functions, transforming bind function block to connect, and replacing the address from 0.0.0.0 to 127.1.1.1.
How to create a netcat reverse shell code#
And basically we can largely reuse the bind shell source code making relevant changes to it.
![how to create a netcat reverse shell how to create a netcat reverse shell](https://i.ytimg.com/vi/j25SRW1BUe8/maxresdefault.jpg)
One thing to remember from the previous post on bind TCP shell is that socket and connect functions are plugged into the socketcall system call. Uid = 0 (root ) gid = 0 (root ) groups = 0 (root ) Test if it works:Ĭonnect to from localhost 35476
![how to create a netcat reverse shell how to create a netcat reverse shell](https://1.bp.blogspot.com/-7Bw8Wf12Umc/XqKK9wMB2sI/AAAAAAAADW8/KpawJidQN1senL9uGhNkZKKTYBK1kYnfgCEwYBhgL/s1600/3-min.png)
# Back in the console with Netcat you should get a connection.
![how to create a netcat reverse shell how to create a netcat reverse shell](https://www.infosecademy.com/wp-content/uploads/2021/01/image-20.png)
Nc -lvp 1234 # Compile and start the C reverse shell implementation