FormSubmit is a service that takes HTML form submissions and sends the results to an email address.
It can be used by threat actors building "serverless" phishing pages i.e. where they don't have a backend server that can send emails or store logs.
title: Exfiltration using FormSubmit.co
description: |
  FormSubmit is a service that takes HTML form submissions and sends the results to an email address.
  It can be used by threat actors building "serverless" phishing pages i.e. where they don't have a backend server that can send emails or store logs.
related:
  - id: getform-io
detection:
  formAction:
    html|contains: "action=\"https://formsubmit.co/"
  condition: formAction
tags:
  - exfiltration