Detection rules › Sublime MQL

Link: Google Cloud Storage impersonating with googledrive in URL path

Severity
high
Type
rule
Source
github.com/sublime-security/sublime-rules

Detects inbound messages containing links to Google Cloud Storage (storage.googleapis.com) with paths ending in 'googledrive.html', indicating abuse of Google's cloud storage service to impersonate Google Drive and potentially deliver malicious content.

Threat classification

Sublime's own taxonomy (not MITRE ATT&CK).

CategoryValues
Attack typesCredential Phishing
Tactics and techniquesImpersonation: Brand, Free file host

Event coverage

Rule body MQL

type.inbound
and any(body.links,
        // use of storage.googleapis.com
        .href_url.domain.domain == "storage.googleapis.com"
        // with an actor controlled path that impersonates Google Drive
        and strings.iends_with(.href_url.path, 'googledrive.html')
)

Detection logic

Scope: inbound message.

Detects inbound messages containing links to Google Cloud Storage (storage.googleapis.com) with paths ending in 'googledrive.html', indicating abuse of Google's cloud storage service to impersonate Google Drive and potentially deliver malicious content.

  1. inbound message
  2. any of body.links where all hold:
    • .href_url.domain.domain is 'storage.googleapis.com'
    • .href_url.path ends with 'googledrive.html'

Inspects: body.links, body.links[].href_url.domain.domain, body.links[].href_url.path, type.inbound. Sensors: strings.iends_with.

Indicators matched (2)

FieldMatchValue
body.links[].href_url.domain.domainequalsstorage.googleapis.com
strings.iends_withsuffixgoogledrive.html