![]() Run nc -l -p 12345 on the attacker box to receive the shell. To interact with an existing SUID binary skip the first command and run the program using its original path. This example creates a local SUID copy of the binary and runs it to maintain elevated privileges. If it is used to run commands (e.g., via system()-like invocations) it only works on systems like Debian (<= Stretch) that allow the default sh shell to run with SUID privileges. If the binary has the SUID bit set, it may be abused to access the file system, escalate or maintain access with elevated privileges working as a SUID backdoor. If the binary is allowed to run as superuser by sudo, it does not drop the elevated privileges and may be used to access the file system, escalate or maintain privileged access. Run nc -l -p 12345 > "file_to_save" on the attacker box to collect the file. Run nc 12345 on the attacker box to connect to the shell. It can bind a shell to a local port to allow remote network access. Friends, all welcome In this article, we will talk about what Netcat is and use it to implement Bind and Reverse Shell, respectively. It can send back a reverse shell to a listening attacker to open a remote network access.
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