noun, noun or participle which takes 'suru', intransitive verb
behind-the-scenes maneuvering; underhanded dealings; monkey business
Refers to secret, often unethical or illegal activities done to achieve a goal, especially in politics, business, or organizations. Can be used as a noun or with する to describe engaging in such activities.
選挙の前に裏工作が行われたと報じられた。
It was reported that behind-the-scenes maneuvering took place before the election.
彼は会社の乗っ取りを狙って裏工作をしている。
He is engaging in underhanded dealings to take over the company.