/usr/share/hashcat/rules/ is in hashcat-data 3.30-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/hashcat/rules/Incisive-leetspeak.rule
/usr/share/hashcat/rules/InsidePro-HashManager.rule
/usr/share/hashcat/rules/InsidePro-PasswordsPro.rule
/usr/share/hashcat/rules/T0XlC-insert_00-99_1950-2050_toprules_0_F.rule
/usr/share/hashcat/rules/T0XlC-insert_space_and_special_0_F.rule
/usr/share/hashcat/rules/T0XlC-insert_top_100_passwords_1_G.rule
/usr/share/hashcat/rules/T0XlC.rule
/usr/share/hashcat/rules/T0XlCv1.rule
/usr/share/hashcat/rules/best64.rule
/usr/share/hashcat/rules/combinator.rule
/usr/share/hashcat/rules/d3ad0ne.rule
/usr/share/hashcat/rules/dive.rule
/usr/share/hashcat/rules/generated.rule
/usr/share/hashcat/rules/generated2.rule
/usr/share/hashcat/rules/hybrid/
/usr/share/hashcat/rules/hybrid/append_d.rule
/usr/share/hashcat/rules/hybrid/append_ds.rule
/usr/share/hashcat/rules/hybrid/append_du.rule
/usr/share/hashcat/rules/hybrid/append_dus.rule
/usr/share/hashcat/rules/hybrid/append_hl.rule
/usr/share/hashcat/rules/hybrid/append_hu.rule
/usr/share/hashcat/rules/hybrid/append_l.rule
/usr/share/hashcat/rules/hybrid/append_ld.rule
/usr/share/hashcat/rules/hybrid/append_lds.rule
/usr/share/hashcat/rules/hybrid/append_ldu.rule
/usr/share/hashcat/rules/hybrid/append_ldus.rule
/usr/share/hashcat/rules/hybrid/append_ls.rule
/usr/share/hashcat/rules/hybrid/append_lu.rule
/usr/share/hashcat/rules/hybrid/append_lus.rule
/usr/share/hashcat/rules/hybrid/append_s.rule
/usr/share/hashcat/rules/hybrid/append_u.rule
/usr/share/hashcat/rules/hybrid/append_us.rule
/usr/share/hashcat/rules/hybrid/prepend_d.rule
/usr/share/hashcat/rules/hybrid/prepend_ds.rule
/usr/share/hashcat/rules/hybrid/prepend_du.rule
/usr/share/hashcat/rules/hybrid/prepend_dus.rule
/usr/share/hashcat/rules/hybrid/prepend_hl.rule
/usr/share/hashcat/rules/hybrid/prepend_hu.rule
/usr/share/hashcat/rules/hybrid/prepend_l.rule
/usr/share/hashcat/rules/hybrid/prepend_ld.rule
/usr/share/hashcat/rules/hybrid/prepend_lds.rule
/usr/share/hashcat/rules/hybrid/prepend_ldu.rule
/usr/share/hashcat/rules/hybrid/prepend_ldus.rule
/usr/share/hashcat/rules/hybrid/prepend_ls.rule
/usr/share/hashcat/rules/hybrid/prepend_lu.rule
/usr/share/hashcat/rules/hybrid/prepend_lus.rule
/usr/share/hashcat/rules/hybrid/prepend_s.rule
/usr/share/hashcat/rules/hybrid/prepend_u.rule
/usr/share/hashcat/rules/hybrid/prepend_us.rule
/usr/share/hashcat/rules/leetspeak.rule
/usr/share/hashcat/rules/oscommerce.rule
/usr/share/hashcat/rules/rockyou-30000.rule
/usr/share/hashcat/rules/specific.rule
/usr/share/hashcat/rules/toggles1.rule
/usr/share/hashcat/rules/toggles2.rule
/usr/share/hashcat/rules/toggles3.rule
/usr/share/hashcat/rules/toggles4.rule
/usr/share/hashcat/rules/toggles5.rule
/usr/share/hashcat/rules/unix-ninja-leetspeak.rule