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Phishing & fraudmediumExploited in the wild

A fake ChatGPT billing email is after your OpenAI password

Help Net Securityby Anamarija Pogorelec ()2 min read2
AI summary · glm-5.3-flashSummaries by Vani AI

Cofense reports a fake ChatGPT billing email harvesting OpenAI credentials via a Google redirect to a spoofed login page.

Cofense's Phishing Defense Center traced a fake ChatGPT billing email, sent from support@9527db6e1a[.]nxcli[.]io, claiming a $23.80 overdue balance and a 48-hour deadline before account suspension. The 'Update Payment Information' button routes through a notifications[.]googleapis[.]com redirect to a spoofed OpenAI login page that captures credentials and sends victims to an error page. Cofense published indicators including the Google redirect link plus login.php and key.php paths on the nxcli[.]io host.

Key facts
  • Email spoofs ChatGPT billing with $23.80 balance and 48-hour suspension deadline
  • Button uses notifications[.]googleapis[.]com redirect, so hover checks reveal a Google URL
  • Fake 'Welcome back' page captures credentials, then sends victims to an error page
  • Indicators include login.php and key.php paths on the nxcli[.]io host
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Indicators of compromise

auto-extracted · verify before use · export allAll
TypeIndicatorContext
domain9527db6e1a.nxcli.iohe From line is where it falls apart. It comes from support@9527db6e1a[.]nxcli[.]io, which is not an OpenAI address. The link runs through
domainnotifications.googleapis.coms not link to the phishing site directly. Its URL starts at notifications[.]googleapis[.]com, a Google API redirect that forwards the browser to the
domainnxcli.ioicators: the Google redirect link and two paths on the same nxcli[.]io host, login.php and key.php. Mail teams can search their

From the original article

2 min read at helpnetsecurity.com

A fake ChatGPT billing email is steering users to a copy of the OpenAI login page that keeps whatever username and password they type. Josh Varden of Cofense’s Phishing Defense Center traced the email’s payment button through a Google redirect to the attacker’s page. The lure targets ChatGPT users on work and personal accounts alike, and it copies the kind of bill a subscriber already expects.

Help Net Security

By Anamarija Pogorelec · helpnetsecurity.com

Read the full article at Help Net Security

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.