移花接木 (yí huā jiē mù): To stealthily substitute one thing for another — Meaning & Stroke Order

The hacker used a 'move flowers, graft onto a tree' technique to embed malicious code into legitimate software.

During the negotiation, the other side attempted a 'move flowers, graft onto a tree' by replacing the real contract with a fake one.

History has many 'move flowers, graft onto a tree' stratagems, such as using false intelligence to mislead the enemy.

He pulled a 'move flowers, graft onto a tree' by taking credit for others' achievements.