Sunan Abi Dawud 2484
سنن أبي داود#2484Sahihحَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، حَدَّثَنَا حَمَّادٌ، عَنْ قَتَادَةَ، عَنْ مُطَرِّفٍ، عَنْ عِمْرَانَ بْنِ حُصَيْنٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " لاَ تَزَالُ طَائِفَةٌ مِنْ أُمَّتِي يُقَاتِلُونَ عَلَى الْحَقِّ ظَاهِرِينَ عَلَى مَنْ نَاوَأَهُمْ حَتَّى يُقَاتِلَ آخِرُهُمُ الْمَسِيحَ الدَّجَّالَ " .
Narrated Imran ibn Husayn: The Prophet (ﷺ) said: A section of my community will continue to fight for the right and overcome their opponents till the last of them fights with the Antichrist
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 15:8