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3
votes
2answers
148 views

Is it really “Time to add a word” if there are no tools to crack passphrases of 3 words and up?

It's "time to add a word" says Arnold Reinhold, the creator of Diceware, in his blog (3/2014). He advices to use 6 word sentences (or 5 words with one extra character chosen and placed at random) from ...
0
votes
0answers
31 views

Perform THC-Hydra Dictionary attack on Microsoft forefront TMG login

I work as an IT consultant in a High School. Recently, a student was able to gain access to a teacher's account on the school intranet. When questioned, he simply stated that he "hacked" the system ...
0
votes
2answers
68 views

Showing CAPTCHA

I'd like to show a CAPTCHA to prevent brute forcing attempts, but I was thinking of showing it whenever a user fails for an invalid username/password combination after X attempts, regardless of ...
0
votes
1answer
94 views

How do I generating a word list from a known seed word?

I've lost my master password. Not all is lost as I know the original word that generated the password: It was generated by a random case switching for consonants and random vocal to numbers. For ...
2
votes
2answers
218 views

Chinese or “pinyin” wordlists for dictionary attacks

Background: I am currently trying to crack a salted md5 hash which I have recovered from an embedded device running busybox and manufactured in china. I have tried john the ripper using all of the ...
3
votes
3answers
240 views

Could using a generated key from an online service be considered a risk?

With some colleagues we're having a debate regarding the randomkeygen.com website. I do think that there is a security risk using the generated keys of this (or any of this kind) website. Why ? ...
-1
votes
2answers
39 views

What kind of dictionaries can be created from a normal dictionary? [closed]

We have many text files with ~all the words from a given language. Does someone know a "full" list of methods a word/dictionary can be remaked? ex.: testword can be converted using leetspeak ...
1
vote
3answers
231 views

Is applying AES multiple times safer?

The KeePass security help page talks about preventing dictionary attacks To generate the final 256-bit key that is used for the block cipher, KeePass first hashes the user's password using ...
1
vote
3answers
23k views

Wordlists on Kali Linux?

I notice that in /usr/share/wordlists in Kali Linux (former Backtrack) there are some lists. Are they used to bruteforce something? Is there specific list for specific kind of attacks?
2
votes
3answers
2k views

How can I generate custom brute-force dictionaries?

I have found during testing that companies often use variations of their names for critical passwords (for example Microsoft's password might be M1cr0s0f+ or m1cros0ft etc etc). So if I gave it the ...
2
votes
4answers
15k views

How to generete dictionary for brute force attack?

I need to crack my own password. Advantage is that I know possible characters and maximum length. What I need is to create dictionary for brute force attack. Dictionary should contain all the combos ...
-2
votes
1answer
610 views

LophtCrack version 6.0.12 is not auditing my Administrator password [closed]

I am using LophtCrack on my Windows 8 OS. I was testing my password strength and the problem I am seeing it is not working. It doesn't reveal my Admin password, I've run the process for half an hour. ...
6
votes
2answers
312 views

Password list generation

I've found during a lot of recent pen-tests that companies will use passwords like c0mp4ny@b( for a company called "company abc" Is there any quick and easy way to generate a list of passwords ...