2 Thessalonians 2:3 - 2:4
3 Let no one in any way deceive you, for it has not come unless the apostasy comes first, and the man of lawlessness is revealed, the son of destruction, 4 who opposes and exalts himself above every so-called god or object of worship, so that he takes his seat in the sanctuary of God, exhibiting himself as being God.
2 Thessalonians 2:8 - 2:9
8 And then that lawless one will be revealed—whom the Lord Jesus will slay with the breath of His mouth and bring to an end by the appearance of His coming— 9 whose coming is in accord with the working of Satan, with all power and signs and false wonders,