This is not a standard filename but a concatenated keyword. It suggests the searcher is looking for log files that either:
The most immediate risk is account takeover. With a username (often an email) and a password or a valid OAuth link, an attacker can log into the victim's Facebook account, change the password, enable 2FA on their own device, and lock out the legitimate owner. allintext username filetype log passwordlog facebook link
Before explaining how this query works, it is crucial to understand the security implications. Using this query on Google or other search engines is a form of Google Dorking or Open Source Intelligence (OSINT). This is not a standard filename but a concatenated keyword
The last two words are the social engineering hook. The searcher is looking for logs that contain either: The last two words are the social engineering hook
Why Facebook? Facebook is the world's largest social media platform. Compromising Facebook accounts can lead to identity theft, financial fraud (via Facebook Marketplace or Ads), or lateral movement into other services (via "Login with Facebook").
By adding facebook link, the attacker filters out generic server logs (which might only contain internal IPs) and focuses on logs containing Facebook authentication endpoints, password reset tokens, or OAuth redirects.