Narrated Ibn Umar (may Allah be pleased with them): The Messenger of Allah (peace and blessings be upon him) said: For every betrayer, a flag will be raised on the Day of Resurrection, and it will be announced that this is the sign of the treachery of so-and-so, son of so-and-so.
Hadith Referenceاللؤلؤ والمرجان / كتاب الجهاد / 1132
Hadith Gradingمحدثین:«صحیح»
Hadith Takhrij«صحیح، أخرجه البخاري في: 78 كتاب الأدب: 99 باب ما يدعى الناس بآبائهم»