Hello,
This does not only apply for Cisco routers, but I think this would be quite
easy to code such a tool using Perl or another scripting language. It would
read a dictionary file and send lines to std input, then reconnect after
three attempts. An idea would be to perform a multi-threaded bruteforce
attack, have you tried this with Hydra ?
Once again, to bruteforce web forms, you could script and use curl.
Regards,
Jeremy
09sparky@gmail.com wrote:
This is more of a general brute forcing question, but one which I could use
some assistance.
I am attempting to brute force some telnet sessions (Cisco Routers - CISCO IOS 12.2 and IOS 12.3(8), Cisco 1721 router). When telnet'ing in, it only prompts me for a PW (Not a username). It has a 3 attempts disconnect, so I get disconnected and have to reconnect.
My question is:
How and what tool should I use to try and brute force (dictionary attack) this
session?
I have tried Hydra, but when I get disconnected (after 3 attempts), it tells me it is
"finished". Not sure if there is a way to make it reconnect. Is there a
better tool or other techniques that would work better?
Second question: Brute forcing also, but against WebPages. For example, a
Cisco 3000 VPN Concentrator, I have the webpage asking for username/password.
How would I attempt to dictionary attack this?
Thanks,
Sparky
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