A dictionary is a list of possible or common password that are used to crack passwords in a brute force attack. Such an attack is known as a dictionary attack.
Questions tagged [dictionary]
81 questions
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Is there any methods available other than brute force and dictionary attacks?
I am curious to know about the wifi attacks. And I have known a little bit about brute force attack and dictionary attack. Is there any other methods available other than these two...?
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Vignesh
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How long does it take to compute hashes using the MD5 hash algorithm?
1) If one iteration of MD5 takes x seconds, is it safe to assume that n iterations of MD5 takes n * x seconds?
2) Will salted and unsalted versions of md5 hash algorithms take approximately the same amount of time to compute?
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user9355495
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What layer does dictionary attacks take place on?
This may be a stupid question, but I'm fairly new to cyber security and networking and I'm looking into different types of attacks. I was wondering if dictionary attacks only took place on the application layer, or if it is used for other layers as…
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Brad Lamitie
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Passwords - extended dictionary vs dictionary attacks
Taking inspiration from Diceware and the other passphrase generators, I took a dictionary of 20k English words and used a script to generate typos of them, resulting in 7M "words", giving 22.7 bits of entropy per word compared to Diceware's 12.9. 5…
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EPICI
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How to defend against attacker without affecting other users of same NAT gateway
I am implementing a web service and have a daemon process that notices repeated failed login attempts from any given source. If too many occur the IP address is blocked for a given time.
This is similar to the fail2ban or (now deprecated) denyhosts…
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AlanObject
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How Generate Custom Dictionary Password list
I want to generate a password list that has 8 characters like this:
Characters are: Pp|Aa|Ss|Ww|o0|Rr|Dd
First character only can be Pp, second Aa@, .... to end.
How can I make this list using crunch or similar scripts?
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MinLo
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Creating a wordlist knowing parameters
I need to crack my own router password. Advantage is that I know possible characters and maximum length.
What I need is to create a dictionary. The dictionary should contain all the combos of characters that I choose. I know that the maximal length…
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Cornul11
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Crunch wordlist
I am trying to set up a wordlist of 8 character words where:
the first letter is a capital 'WXCVBN'
the next three are lower case 'wxcvbn'
the next three are numbers between '123456'
the last character has to be '*' or '!'.
I've been trying for…
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Lorenzo
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Password Strength: Compound Words
I’m familiar with XKCD’s Correct Horse Battery Stable example but I am wondering about one aspect of password strength.
Dictionary words are an easy target for password crackers. If you compound a word, such as batteryhorse which clearly is not in…
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Manngo
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How does a dictionary attack use it's "words"?
Does it assemble/concatenate the dictionary elements into candidate passwords, or does it just use the dictionary elements/words as passwords (which sounds strange)?
I'm wondering about "SmartKey ZIP Password Recovery Professional".
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LenG
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Inserting XSRF header token in Hydra
I'm trying to break a login form with Hydra. The site is built with the Angular framework, and an XSRF token must be sent through the header and through the POST request.
I notice that the XSRF token is already being sent by Hydra through the…
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John
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Are password-guessing attacks a real threat?
There are tons of questions, answers, articles, papers, cartoons etc. on the subject of how to choose a password in such a way that it's difficult to guess or crack with a dictionary-based attack.
I don't understand why a system would allow me to…
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SantiBailors
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Is it secure to allow an account to use `test123!` as their password?
I'm working on tightening up security for the auth layer of my app and I'm currently making a call on the complexity I'll require for passwords.
Is there a 'standard' recommendation for complexity?
The current requirement is like so:
8 char…
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AJB
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Incremental charset with no duplicate adjacent letter
I'm using John the Ripper and the following charset in the creation of a word list:
[Incremental:Upper8]
File = $JOHN/upper.chr
MinLen = 8
MaxLen = 8
CharCount = 36
The command:
john –stdout –incremental=Upper8 > wordlist.txt
I want to create a…
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Ankh2054
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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 whether that user exists in the database or not.
The…