kc0021 / botnet-ex

Server & Client in C

Server

The server is written with the library <sys/socket.h> therefore is not compatible with Windows OS. It uses file descriptors to distinguish each client with the <sys/time.h> library.

Current features

• Managing multiple clients
• Echoing sent messages from clients
• Awareness of client disconnects
• Sending commands to specific clients
• Master account authentication
• Retrieving a list of clients connected

Features for the server are not final.

Client

The client tailored for the server specifically has not yet been developed however you can use a raw socket or telnet to communicate with the server.

Current features

• Retrieving basic information about client
• Execution of commands specified by server
• Compatability for Windows OS with C#

Features for the client not final.

Configuration

Enter your server ip into the client.c file.
line:35 serv_addr.sin_addr.s_addr = inet_addr("<server_ip_here>");

Enter your desired authentication password into cnc.c.
line:23 char password[] = "<password_here>\r\n";

Connect to your server via PuTTY and login with the before mentioned password.

Commands:

• list
  [lists connected clients]
• send id_of_socket:command
  [send a command to a client]
• help
  [shows available commands]

Screenshots