Security experts at Myki have discovered a new phishing campaign that could deceive even most tech-savvy users. The technique relies upon the concept of being able to reproduce a social login prompt in a very realistic format inside an HTML block. The status bar, navigation bar, shadows, and content also look exactly like a legitimate login prompt. The only way to protect yourself from this type of attack is to try to drag the prompt away from the window it is currently displayed in. If dragging it out fails (part of the popup disappears beyond the edge of the window)”]
Source: https://securityaffairs.co/wordpress/81230/breaking-news/facebook-phishing-campaign.html