Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This rule detects suspicious HTTP traffic indicating a LinkedIn message that contains an external link. It specifically looks for HTTP requests to 'linkedin.com' with a URI containing '/messaging/' and triggers if 10 such events occur within 60 seconds from the same source IP address. This pattern is often associated with social engineering attempts where attackers use LinkedIn messaging to direct users to malicious external sites.
This rule detects spearphishing emails sent over SMTP that contain an Office document attachment. It specifically looks for emails with a 'Content-Type: application/' header, a 'filename=' attribute, and the '.docx' extension in the content, indicating a Microsoft Word document.
This rule detects HTTP traffic where the HTTP referer header indicates a social media platform (LinkedIn, Twitter, Facebook, Instagram) and the HTTP URI contains the string 'login'. This combination suggests a potential social media phishing attempt, where a user is redirected from a legitimate social media site to a credential harvesting page.