• Sublime Core Feed
Medium Severity

Service abuse: QuickBooks notification with suspicious comments

Description

This detection rule matches QuickBooks notifications that contain suspicious keywords within the comments section of the notification

References

No references.

Sublime Security
Created Dec 16th, 2024 • Last updated Sep 17th, 2025
Source
type.inbound

// Legitimate Intuit sending infratructure
and sender.email.email == "quickbooks@notification.intuit.com"

// remove payment confirmation messages
and not strings.starts_with(subject.subject, 'Payment confirmation:')
and body.html.raw is not null
// Comments contains suspicious phrases
and (
  // several different templates where commonly observed, run regex for each template
  any([
        html.xpath(body.html,
                   '//span[@id="condensedEmailMessageSectionContentWebPlayer"]'
        ).nodes,
        html.xpath(body.html, '//div[@id="emailContainer"]').nodes,
        html.xpath(body.html, '//table[@width="700"][1]//tr/td').nodes,
        html.xpath(body.html, '//tr[@class="email-header"]').nodes,
        html.xpath(body.html, '//tr[@class="email-center"]').nodes,
        html.xpath(body.html, '//div[@class="mlr22"]').nodes,
        html.xpath(body.html, '//td[@class="itemDesc"]//div').nodes,
        html.xpath(body.html, '//td[@class="shippingContent"]//div').nodes,
        html.xpath(body.html, '//table[@class="shippingAndCustomLayout width100"]').nodes
      ],
      any(.,
          regex.icontains(.inner_text,
                          // subscription, renewals, verificaitons, etc
                          '(?:your subscription renewal|couldn.?t be processed|trouble renewing subscription|update your details|just update your|continue your subscription|prefer to use EFT|change payment method|verify your account|suspended due to issue|payment declined notice|account needs verification|confirm your billing|immediate action required|failed payment notification|billing information update|service interruption warning|unable to process payment|subscription payment failed|action needed now|update banking information|subscription expiration notice|payment method change|bill\s+to\s+subscriber)',
                          // callback wording
                          'recognize this seller?|For more info.{0,25}Call|To cancel.{0,25}Call|did not authorize',
          )
      )
  )
) 
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