Router Username Password Crack
If you have ever taken a backup of the configuration of the router into a file,
then the free
RouterPassView can help :
The backup file of the router usually contains important data like
your ISP user name/password, the login password of the router, and
wireless network keys. If you lost one of these password/keys, but you
still have a backup file of your router configuration, RouterPassView
might help you to recover your lost password from your router file.
Otherwise, you are reduced to a brute-force attack, where the free
Router Password Kracker can help :
Router Password Kracker is a free software to recover the lost
password of your Router. It can also be used to recover password from
your internet Modem or Web sites which are protected by HTTP BASIC
Authentication.
Generally Routers or Modems control their access by using HTTP BASIC
authentication mechanism. In simple words, when you connect to your
Modem/Router from the browser typically you will
be asked to enter username password. If you ever forget this
password then you will not be able to access your Router/Modem
configuration.
In these cases Router Password Kracker can help you in quickly
recovering your lost password.
Router Password Kracker uses simple Dictionary based password
recovery technique. By default it comes with sample dictionary file
suitable for Routers. However you can find good collection of password
dictionaries also called wordlists here here.
For complex passwords, you can use tools like Crunch or Cupp
to generate brute-force based or any custom password list file and
then use it with Router Password Kracker.
Router Password Kracker is a free software to recover the lost password of your Router. It can also be used to recover password from your internet Modem or Web.
Put down your Club Mate, finish that slice of pizza and hand over control of your mining rig to your little brother because It s time to crack some login pages with THC-Hydra. It s easy, and I wont bore you with to many details.
What s Hydra.
THC-Hydra is A very fast network logon cracker which supports many different services.
Supported protocols at the time of this article.
Asterisk,AFP,Cisco AAA,Cisco auth,Cisco enable,CVS,Firebird,FTP,HTTP-FORM-GET,HTTP-FORM-POST,
HTTP-GET,HTTP-HEAD,HTTP-PROXY,HTTPS-FORM-GET,HTTPS-FORM-POST,HTTPS-GET,HTTPS-HEAD,
HTTP-Proxy,ICQ,IMAP,IRC,LDAP,MS-SQL,MYSQL,NCP,NNTP,Oracle Listener,Oracle SID,Oracle,
PC-Anywhere,PCNFS,POP3,POSTGRES,RDP,Rexec,Rlogin,Rsh,S7-300,SAP/R3,SIP,SMB,SMTP,SMTP Enum,
SNMP,SOCKS5,SSH v1 andv2, Subversion,Teamspeak TS2, Telnet,VMware-Auth,VNC andXMPP.
In this example i m going to start by demonstrating an HTTP login form with the router in my test lab 192.168.1.1. To attack a web login, you need a few things.
1. The URL of the web login. In my case its just 192.168.1.1 but this could be a direct URL to some website somesite.com/login.php
2. Know the type of authentication. By this I mean, we know we are attacking an html web login form but what type of html authentication is being used. To figure that out I would highly recommend you reference this OWASP page.
https://www.owasp.org/index.php/Testing_for_Brute_Force_ 28OWASP-AT-004 29 Brute_force_Attacks
3. A wordlist. A text file full of usernames / passwords or both.
I was able to use burp suite A web proxy / security application to see that my authentication method was basic by visiting the web login page and attempting to login with any username / password. I then used the linked owasp page to check my syntax for the hydra tool. If your not familiar with burp, just google around for a tutorial to set it up. It s extremely easy.
Wordlist
Accessing the hydra man page manual
As you can see from the above screenshot of the hydra man page we need to give Hydra a login and password file because no default wordlist is included with the tool. This will be two separate files, one containing usernames, and another containing passwords. This is specified with -L and -P. You could also use one wordlist with -C and separate the details with a colon login:pass.
If your using Kali Linux you already have access to a good set of wordlists that are provided in the distro in /usr/share/wordlist. This directory location may change as it has changed before in the past so if needed you can hunt it down by using the command find or locate
The RockYou wordlist which is in Kali Linux is very good, but it s huge and will take more time to run through. If you are testing hydra at home or in a test lab I would recommend creating a short custom wordlist that contains your correct username and password to save time. Whatever wordlist you use make sure your username and password are in it depending on how you are using hydra, with one wordlist with -C or two separate with -L and -P.
Other places for wordlists
https://wiki.skullsecurity.org/Passwords
Scrape webpages to create a custom wordlist. Sure. You can use cewl.
cewl-ekcv-wscraped_output.txtwebsite.com
-w is the output file, v for verbose, -e includes email addresses. You could use this on someones Facebook profile for example.
Now that you have your wordlist, lets get to cracking. I m going to use -L and -P for the usernames and passwords.
hydra-Llogin.txt-Ppass.txt192.168.1.1http-head
Easy enough. The password was found admin:Iaml33t
Now lets try SSH. On my test machine I setup a test user account newuser. Then, I ran hyrda against that user account.
hydra-lnewuser-Ppass.txt-V192.168.1.182ssh
-l I specified a single specific username to use, but you could use a list
-P the wordlist for passwords to try
-V verbose
How do I confirm the IP address of the router.
The easiest way is to open up a terminal or CMD on windows and run ifconfig linux ip route windows and look for your default gateway
Practice Links
DVWA – Damn vulnerable web app has a brute force login page that you can practice on
Samsclass has a practice page for brute forcing also
Similar Tools
ncrack Medusa
Comments and suggestions. Leave them below. Hope you enjoyed.
You may also like my reaver article on attacking WPS, some good router fun.
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