Collaborate Disseminate
I have obtained a hash for a password that I know is 10 characters and
contains lowercase, uppercase and numbers. No special chars.
I have created the following incremental mode:
[Incremental:myown]
File = $JOHN/alnum.chr
M… Continue reading John the Ripper, mask and rules
Assume I have a password I want to crack in the following format:
100 times the character ‘a’ prepended to
Some word found in a wordlist
John will probably not be able to crack this with the default configuration. Is ther… Continue reading John the Ripper modify passwords before checking
I’m using HarmJ0y’s python port for keepass2john
With a short password like asdf for example, the port creates an ‘initializationVectors’ of length 24, and hashcat accepts that without issue.
But, with some arbitrary longe… Continue reading Salt-encoding exception on Keepass2 DB hashes with long passwords
With regards to the following question about the feasibility of (brute|dictionary|rainbowtable)-forcing an NTLMv2 hash:
How feasible is it for an attacker to brute-force an NTLMv2 response captured off the network?
..I’m try… Continue reading How is it that tools like Hashcat, JTR able to bruteforce an NTLMv2 hashes?
New to the community, and to JtR and Hashcat as a whole, but after searching for a few days I couldn’t find a solution to this specific problem.
I have a password protected PDF file that I’m trying to crack to prove to a friend of mine th… Continue reading Why won’t pdf2john extract the password hash of this encrypted pdf? Getting blank results
I want to generate wordlist with these rules: 8 characters, at least one uppercase letter, at least one lowercase letter, exactly two numbers. I’ve done a lot of google searching, and can’t seem to understand how to do this. Can I get some… Continue reading Generate a wordlist using John the Ripper
I am giving John the Ripper a file that may contain duplicate hashes, and get output like this:
2g 0:00:00:01 1.600g/s 3.200p/s 3.200c/s 70227C/s 123456789..abc123
Which represents the total number of unique passwords cra… Continue reading Get total, not unique, number of cracked passwords from John the Rippers output?
I’ve seen two similar posts regarding this issue, however I wasn’t able to resolve my issue from reading responses to either post.
I currently have very little Linux experience, but I’m studying for the Comp TIA Security+ ex… Continue reading CompTIA Security+ Lab Question: John the Ripper No Password Hashes Loaded [on hold]
I have an Excel 2010 hash file. I want to use custom characters like A-Z a-z 0-9 and some special characters like *&^ between 8-12 characters long. I don’t want to use a wordlist.
Please tell me which command or workarou… Continue reading How to create custom rule in John the Ripper
I am very new at John the Ripper and I am attempting to crack salted SHA-256 and SHA-512 passwords using version 1.8.0 (NOT the jumbo version) in a Linux VM. My question is, is it possible to crack the above passwords, given… Continue reading Crack Salted SHA-256/512 with John the Ripper