sublimehighRule

Service abuse: Vimeo with external plain-text links in message

Detects messages absuing Vimeo notifications about received messages that contain plain-text links redirecting to domains other than Vimeo, potentially leading users to malicious websites.

MITRE ATT&CK

T1566 T1566.001 T1566.002 T1598 T1598.003

initial-access

Detection Query

type.inbound
and sender.email.domain.domain == 'vimeo.com'
and strings.ends_with(subject.base, 'sent you a message on Vimeo')
and (
  // plain-text url that does not go to vimeo
  any(filter(body.current_thread.links, .parser == "plain"),
      .display_url.domain.root_domain != 'vimeo.com'
  )
)

Data Sources

Email MessagesEmail HeadersEmail Attachments

Platforms

Raw Content

name: "Service abuse: Vimeo with external plain-text links in message"
description: "Detects messages absuing Vimeo notifications about received messages that contain plain-text links redirecting to domains other than Vimeo, potentially leading users to malicious websites."
type: "rule"
severity: "high"
source: |
  type.inbound
  and sender.email.domain.domain == 'vimeo.com'
  and strings.ends_with(subject.base, 'sent you a message on Vimeo')
  and (
    // plain-text url that does not go to vimeo
    any(filter(body.current_thread.links, .parser == "plain"),
        .display_url.domain.root_domain != 'vimeo.com'
    )
  )
attack_types:
  - "Credential Phishing"
tactics_and_techniques:
  - "Impersonation: Brand"
  - "Social engineering"
detection_methods:
  - "Sender analysis"
  - "Content analysis"
  - "URL analysis"
id: "ba94ae6b-d554-55ef-a039-ad1d73b84ed0"