October 7th, 2008 by Stargazer
Cracking passwords – the end
This is now the official end on cracking generated passwords here. After running for 77 days and 3 hours not even a single password was cracked. So this is the last status report:
guesses: 0 time: 77:03:40:35 c/s: 971 trying: 055ud
And that’s all folks. Hope you’ve enjoyed the experiment.
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Login via Bluethooth
September 29th, 2008 by Stargazer
If you try to go over the top with some things, then you should really do it instead of just using some tiny hacks. What about logging into your computer using a mobile phone? Sounds cool, huh? So let’s use it and get to work.
As the title already says, you will need a bluetooth enabled phone, a computer with a compatible bluetooth dongle, the common bluetooth programs and finally a kernel running the correct modules. If you already got those prerequisites, you can check your setup using the hcitool scan command. If things are working and your phone is ‘detectable’, the output should look like that:
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Cracking passwords – status report
September 16th, 2008 by Stargazer
Fifty days have passed since John The Ripper started cracking on the password file. As you can see, not even one password was guessed by now:
guesses: 0 time: 50:06:35:40 c/s: 972 trying: ns4k7y
Regarding my password policy, which is changing my passwords every month, our attacker would have lost already. I’ll proceed with the cracking for a while to see if we finally will get it.
If you got a good idea on cracking the passwords, let me know – I might give it a try!
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Verify files using MD5
September 15th, 2008 by Stargazer
How can you verify the integrity of some files as simple as possible? How can you check for manipulations or transmission failures? The question is answered quite simple: Checksums. One of the most common checksum techniques out there is MD5 which stands for Message Digest Version 5.
The fine thing about md5 is, that it’s just a checksum over a file that stays the same as long as the file does. Even some minor changes give you a complete different checksum.
Tags: security
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Login with the USB stick
September 10th, 2008 by Stargazer
That I am lazy if it comes to typing much shouldn’t be a secret by now, but mentioning it here might be wrong too – but it was the main cause for doing some research for an alternative login method. Fingerprints may sound fun, but if it comes to security or if you need to pass on the password to someone…
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Cracking passwords – status report
August 22nd, 2008 by Stargazer
You remember that I have tried to crack some random passwords using John The Ripper, don’t you? Well – if you don’t, here’s the according post. Fact is, that I’m as curious as you are about the results – that’s why I didn’t give up yet. So here are the results so far:
guesses: 0 time: 30:22:54:46 c/s: 970 trying: luomme7
We’re cracking since 30 days and no password was cracked so far.
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Cracking passwords – a test
August 8th, 2008 by Stargazer
You know, I’m working as an IT administrator and I care about security. That’s why I’m worrying about passwords too. So why not running some tests to see some interesting numbers? Let’s get to work.
Our tool of crime: A linux box running a 400 MHz Xeon CPU, some RAM, a solid Raid and John The Ripper. Regarding the benchmark, we should be able to generate about 970 password hashes per second for cracking. I also got a huge wordlist of common passwords here.
Posted in: IT Related stuff | 7 Comments »