sublimemediumRule

Open redirect: Meta --> YouTube Redirection Chain

Message contains use of a redirect chain which involves Meta and YouTube. This has been exploited in the wild.

MITRE ATT&CK

Detection Query

type.inbound
and any(body.links,
        .href_url.domain.domain == "l.work.meta.com"
        // the redirect field
        and strings.icontains(.href_url.query_params, "u=")
        and regex.icontains(.href_url.query_params,
                            'u=(?:https?)?(?:(?:%3a|\:)?(?:\/|%2f){2})?youtube\.com[^\&]*\/+logout.*continue='
        )
)

Data Sources

Email MessagesEmail HeadersEmail Attachments

Platforms

Raw Content

name: "Open redirect: Meta --> YouTube Redirection Chain"
description: |
  Message contains use of a redirect chain which involves Meta and YouTube. This has been exploited in the wild.
type: "rule"
severity: "medium"
source: |
  type.inbound
  and any(body.links,
          .href_url.domain.domain == "l.work.meta.com"
          // the redirect field
          and strings.icontains(.href_url.query_params, "u=")
          and regex.icontains(.href_url.query_params,
                              'u=(?:https?)?(?:(?:%3a|\:)?(?:\/|%2f){2})?youtube\.com[^\&]*\/+logout.*continue='
          )
  )
attack_types:
  - "Credential Phishing"
tactics_and_techniques:
  - "Open redirect"
detection_methods:
  - "Sender analysis"
  - "URL analysis"
id: "f217fd10-48fe-553a-8e63-4da9fb3fbc64"