Skip to content
Draft
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
name: "Service abuse: SurveyMonkey with suspicious outbound links"
description: "Detects messages sent from SurveyMonkey's user domain that contain links to non-SurveyMonkey domains within nested table elements, excluding survey-related content."
type: "rule"
severity: "medium"
source: |
type.inbound
and sender.email.domain.root_domain == "surveymonkeyuser.com"
and any(html.xpath(body.html, '//table//table//a').nodes,
.links[0].href_url.domain.root_domain != "surveymonkey.com"
and not strings.icontains(.inner_text, "survey")
and not .links[0].href_url.domain.root_domain == "mimecastprotect.com"
)
attack_types:
- "Credential Phishing"
tactics_and_techniques:
- "Social engineering"
- "Impersonation: Brand"
detection_methods:
- "Content analysis"
- "HTML analysis"
- "Sender analysis"
- "URL analysis"
id: "f183bd14-d8f0-5a69-9cce-9a9eee855bf7"