Know the password format, how to configure the rules?

[0x00123]

Code:

git clone https://github.com/hashcat/hashcat-utils.git
cd hashcat-utils/src
make
# you'll need to provide english wordlist
for x in {1..100}; do;  echo ${x}; done > nums.txt
./combinator.bin $MY_ENGLISH_WORDLIST nums.txt > comb1.txt
cp comb1.txt comb2.txt
./combinator.bin comb1.txt comb2.txt > result.wl