Demonic Illusion: Mirror Heaven and Earth Change

From Naruto Fanon Wiki

• Name: Demonic Illusion: Mirror Heaven and Earth Change
• Type: Kekkei genkai, Supplementary, Short range (0-5m)
• Users: Itachi Uchiha, Sasuke Uchiha Ahatake Kurosaki Future Ahatake

Using the Sharingan's jutsu-copying abilities, the user can turn any Genjutsu back onto its original user.