The Messenger of Allah ﷺ said, "Whoever supplicates against the one who wronged him has already taken his revenge."
حدثنا هناد حدثنا أبو الأحوص عن أبي حمزة عن إبراهيم عن الأسود
قال رسول الله ﷺ من دعا على من ظلمه فقد انتصر
No references are available.
[Its chain is daif]. Ibn Abu Shayba: 10/347, 348 also narrated it from Abu Ahwas.Abu Hamza Maymun al-Awar is daif, as mentioned previously.