
Summary
This detection rule aims to identify potential phishing attempts utilizing open redirect vulnerabilities associated with the domain 'smore.com'. Specifically, it looks for messages that contain links directing to smore.com, checking for certain patterns in the URL structure that are suggestive of exploitation in phishing schemes. The rule checks for links that have the domain 'smore.com' and contain specific path components and query parameters indicating the presence of parameters typically used in phishing attacks. Additionally, it applies sender reputation checks to prevent false positives from trusted domains unless they have failed DMARC authentication. By incorporating sender domain analysis alongside URL structure checks, this rule effectively reduces the risk of missing phishing attempts leveraging open redirects.
Categories
- Web
- Cloud
- Endpoint
Data Sources
- User Account
- Network Traffic
- Application Log
Created: 2025-03-20