Example of Creating a C2 Using Python
Let's create a Python script that sets up a listener to communicate with a remote device. The listener waits for a connection, then allows the user to send commands to the remote device. 🤖 Checkout this prompt in ChatGPT
Here's a breakdown of the code:
-
Importing Required Module:
The script imports thesocket
module, which provides a way for Python to interact with network sockets. -
Identifier Constant:
This string serves as an identifier to determine the end of a command result. -
Main Script Execution: The script uses an
if __name__ == "__main__":
block to ensure that the code inside it only runs if the script is executed directly (and not imported as a module). -
Setting Up the Socket:
A new TCP socket (SOCK_STREAM
) is created for IPv4 communication (AF_INET
). -
Socket Address Configuration:
The IP address and port for the listener are defined. -
Binding and Listening:
The socket is bound to the specified IP address and port, and it starts listening for incoming connections with a backlog of 5. -
Accepting Connections:
The script waits for a connection. When one is established, it prints the client's address. -
Command Loop: The main loop of the script lets the user input commands to send to the connected device:
- If the command is "stop", the socket closes and the script ends.
- If the command is empty, the loop continues without sending anything.
- If the command starts with "cd", it sends the command and moves to the next iteration.
-
For other commands, it sends the command and waits for a response. The response is received in chunks and the loop continues until the
IDENTIFIER
is found. -
Exception Handling: If any exception occurs during command execution or communication, the script prints "Exception occurred" and closes the socket.