Phishing, Privacy

GitHub users being hit with credential stealing phishing messages

April 17, 2020
  • The phishing email is sourced from legitimate domains, using compromised email servers or stolen API credentials for legitimate bulk email providers.
  • Targets currently-active GitHub users across many companies in the tech sector and in multiple countries via email addresses used for public commits.
  • Use of URL-shortening services to conceal the true destination of the malicious link.
  • Use of PHP-based redirectors on compromised websites to redirect the victim from a less suspicious-looking URL to another malicious one.
  • If the attacker successfully steals GitHub user account credentials, they may quickly create GitHub personal access tokens or authorize OAuth applications on the account in order to preserve access in the event that the user changes their password.
  • In many cases, the attacker immediately downloads private repository contents accessible to the compromised user, including those owned by organization accounts and other collaborators.
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