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June 3rd, 2005, 06:02 PM
#1
Junior Member
nt offline passwd cracker security
Hey guys My teacher showed me a program called Nt Offline Passwd Cracker from http://home.eunet.no/~pnordahl/ntpasswd/bootdisk.html. I was wondering is there anyway to block this besides a bios password.
Wow this registration form makes me feel stupid. Im scared to go to the forums.
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June 3rd, 2005, 06:19 PM
#2
I couldn't get to the site so I'm not sure what the program does but here's a great resource on how to secure all types of servers.
http://www.antionline.com/tutorials/?c=7
09:F9:11:02:9D:74:E3:5B 8:41:56:C5:63:56:88:C0
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June 3rd, 2005, 06:34 PM
#3
If a person has phisical access to the box and is malicious, you already lose.
That is why phisical security is just as important as digital security.
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June 3rd, 2005, 07:15 PM
#4
Well, as XTC46 correctly observes, if someone has physical access you are doomed That is why servers are generally kept behind locked doors.
Here is an interesting site on the subject:
http://www.petri.co.il/reset_domain_...ws_2000_ad.htm
I would point out the distinction between "cracking" a password and "re-setting" it. If a malicious individual re-sets a password, they advertise their intrusion.
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June 3rd, 2005, 08:38 PM
#5
Re: nt offline passwd cracker security
\"The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts\".....Spaf
Everytime I learn a new thing, I discover how ignorant I am.- ... Black Cluster
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June 3rd, 2005, 08:47 PM
#6
There actually is a way to block this. I'm not up to speed on how but rest assured that it is possible. I witnessed a friend try it at our local library and when he rebooted the system The disk didnt have any effect? I think it may have something to do with disk partitioning.
"Do you know why the system is slow?" they ask
"It's probably something to do with..." I look up today's excuse ".. clock speed"
-BOFH
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June 3rd, 2005, 08:53 PM
#7
If it was in a library, the most likely method is to physically disconnect the drive. Otherwise go into the BIOS and remove the floppy from the boot sequence..............you would have to password protect the BIOS for that to be effective.
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June 3rd, 2005, 10:13 PM
#8
Treanglin:
With physical access to the computer there is _no_ way to block the attacker. Everything you want to try to stop them is easily circumvented.... Remember, all he has to do is remove the HD, place it in a different system and boot to his own OS. Your HD is now his to do with what he wishes and his wishes probably don't equal your dreams.....
Don\'t SYN us.... We\'ll SYN you.....
\"A nation that draws too broad a difference between its scholars and its warriors will have its thinking done by cowards, and its fighting done by fools.\" - Thucydides
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June 3rd, 2005, 10:15 PM
#9
or if he is purley after destruction... a baseball bat will work fine.
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June 5th, 2005, 09:19 PM
#10
Junior Member
Okay guys thanks very much for all the info. I kinda suspected that there was no way to stop it but I thought I would ask anyways
Wow this registration form makes me feel stupid. Im scared to go to the forums.
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