diff --git a/detection-rules/impersonation_docusign.yml b/detection-rules/impersonation_docusign.yml index 07654a57f89..5d526b0924f 100644 --- a/detection-rules/impersonation_docusign.yml +++ b/detection-rules/impersonation_docusign.yml @@ -301,6 +301,14 @@ source: | ) ) ) + or ( + strings.icontains(body.current_thread.text, 'Docusign') + and ( + regex.icontains(body.html.raw, '[^<]*Easearch[^<]*') + or regex.icontains(body.html.raw, '[^<]*(?:Docusign|Document)') + or regex.icontains(body.html.raw, '{(?:domain|randomNumber\d?)}') + ) + ) ) // identifies the main CTA in the email, eg "Review now" or "Review document" @@ -347,6 +355,8 @@ source: | or strings.icontains(.display_text, "Document") ) ) + or strings.icontains(.display_text, "complete tasks") + or strings.icontains(.display_text, "View and complete") ) ), // ensure those links aren't legit