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ChatGPT Plus Billing Phishing Kit: Detection & IOCs

Fake ChatGPT Plus payment-failed emails lead to rotating WordPress checkouts that capture OTPs: 9 detection rules, 11 IOCs and a free Splunk SPL rule.

Read the full threat intel for ChatGPT Plus Billing Phishing Kit: Detection & IOCs →

Chapters

  1. 0:00The hookChatGPT Plus phishing uses 9 attack techniques.
  2. 0:04The storyFortra found ChatGPT phishing on rotating WordPress sites under operator control.
  3. 0:11Attack pathReportedly, operators provision WordPress posing as OpenAI billing.
  4. 0:29AttributionNo threat actor is attributed.
  5. 0:33Indicators of compromise9 indicators to hunt: 2 domains, 1 URL and 3 file names, and more.
  6. 0:39MITRE ATT&CK techniques9 ATT&CK techniques, from reconnaissance to impact.
  7. 0:44Remediation4 steps now: Block observed phishing URLs matching.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00ChatGPT Plus phishing uses 9 attack techniques.

0:05Fortra found ChatGPT phishing on rotating WordPress sites under operator control.

0:12Reportedly, operators provision WordPress posing as OpenAI billing.

0:17Victims submit cards on fake page.

0:19Live operators redirect promising victims to OTP.

0:23OTP codes captured for fraudulent transactions.

0:29No threat actor is attributed. Confidence: low.

0:339 indicators to hunt: 2 domains, 1 URL and 3 file names, and more.

0:409 ATT&CK techniques, from reconnaissance to impact.

0:444 steps now: Block observed phishing URLs matching.

0:519 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.