Here "hands" refers to the whole person. Alternate translation: "They strengthen those who do evil" or "They encourage people who do evil" (See: [[rc://en/ta/man/translate/figs-synecdoche]])
Sodom and Gomorrah were cities that were so wicked that God destroyed them with fire from heaven. Alternate translation: "They all became as evil as Sodom ... as wicked as Gomorrah" (See: [[rc://en/ta/man/translate/figs-simile]])