The most useful attack seems missing

[cypherki]

There is no rule that tells hashcat to not to try to crack a hash with a candidate with repeated characters. imho, it would shorten a lot some attacks.

pd: sorry if this isn't the best place to tell this but i dont know how to pull a request

[matrix]

hi, for repeated characters you mean sequential characters ?

example
seq = 2
ABCCDEFG <= dropped
ABCDEFGH <= accepted
ABCDABCD <= accepted

Let me known :)

[dkmc360]

Following. Some attacks can be reduced if the option is available for the mask attack.

[cypherki]

hi, for repeated characters you mean sequential characters ?

example
seq = 2
ABCCDEFG <= dropped
ABCDEFGH <= accepted
ABCDABCD <= accepted

Let me known :)

Almost. I meant:

ABCCDEFG <= accepted
ABCDEFGH <= accepted
ABCDABCD <= dropped

[jsteube]

It's not possible because the final keyspace is unknown. So this will work only in stdin mode. I recommend using maskprocessor using -r and then pipe this to hashcat.