I heard my brother say that jabir had stated: Be on your guard against them.
Sahih Muslim Book 54, Hadith 105
← Previous Hadith I heard Allah's Messenger (ﷺ) as saying: Before the Last Hour there would be many liars, and there is an addition in the hadith transmitted on the authority of Abu Ahwas of these words:" I said to him: Did you hear it from Allah's Messenger (ﷺ)? He said: Yes."

Sahih Muslim Book 54, Hadith 104 Next Hadith → The Last Hour would not come until there would arise about thirty impostors, liars, and each one of them would claim that he is a messenger of Allah.

Sahih Muslim Book 54, Hadith 106