Kali Linux 2018: Assuring Security by Penetration Testing - Fourth Edition

Bind shells

A bind shell is a remote shell connection that provides access to the target system on the successful exploitation and execution of shellcode by setting up a bind port listener. This opens a gateway for an attacker to connect back to the compromised machine on the bind shell port using a tool such as Netcat, which could tunnel the standard input (stdin) and output (stdout) over a TCP connection. This scenario works in a similar way to that of a Telnet client establishing a connection to a Telnet server, and is applicable in an environment where the attacker is behind the Network Address Translation (NAT) or firewall and direct contact from the compromised host to the attacker IP is not possible.

The following are the commands ...