Upper&Lower cases rules

[alderanbet]

Hi,

I have my own wordlist. All words are lower cases. Is there any rule which can create all possible version of upper and lower cases for every single word (plus some numbers and special characters (Hybrid Attack))?

[Xanadrel]

https://hashcat.net/wiki/doku.php?id=rule_based_attack
https://hashcat.net/wiki/doku.php?id=hybrid_attack