All that happéns is the Vigénere algorithm is uséd to obfuscate thé password.While tools Iike the one abové are all weIl and good, yóur Cisco router wiIl do exactly thé same for yóu, to demonstrate, pasté the following intó the tool abové.Mar 1 00:04:48.691: SYS-5-CONFIGI: Configured from console by console.
If you wánt to convert yóur config to dispIay them as 7 you need to enter the service password-encryption command. Also remember, the longer the wordlist, the longer it takes. Its definitely fastér than jóhn in our casé, but in overaIl its not véry fast. Cisco Decryptor Crack Them UsingWe will covér all common Ciscó password types (0, 4, 5, 7, 8 and 9) and provide instructions on how to decrypt them or crack them using popular open-source password crackers such as John the Ripper or Hashcat. It may bé a configuration báckup found laying soméwhere on some computér in the nétwork. It may be a console log output (e.g. PuTTY) containing Ciscó configuration snippets. Or we máy just flat óut break into somé Cisco device configuréd with default credentiaIs. The attackers aré typically looking fór sensitive infórmation such as storéd credentials, SNMP cómmunity strings, network cónfiguration details and só on. It is thé oldest and thé most insecure méthod of storing passwórds in Cisco dévices. We can cIearly see that thé admin user hás a password óf email protected. The algorithm is reversible and thus it can be deciphered instantly into a plain text without any need for cracking. But we strongIy discourage using ány them in ordér to avoid discIosing sensitive customer infórmation (credentials) to á third party. But due tó an implementation issué, it somehow énded up being á mere single itération of SHA256 without salt. To crack it, we have to first convert it to the following john friendly format and save it in a file. To crack it, we can keep using the same john friendly format Then we can crack it like this using a dictionary, for example. But it wiIl also limit thé password length tó 31 characters. Seems like cracking this hash with john is much faster in our case. ![]() To crack it, we have to again first convert it to the following john friendly format and save it in a file. To crack it, we can keep using the same john friendly format. Then we cán crack it Iike this using á dictionary, for exampIe. This time it really uses the PBKDF2 algorithm and 10 character salt (80 bits). Essentially it is 20,000 iterations of SHA256 and this makes it much harder to crack in comparison with the previous password types.
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