Borrowed Trust Gambling Kit Favicon Request
Detects requests for a specific favicon image (`/img/ib99-hq.ico`) that is consistently used across all deployments of a threat actor's Next.js gambling kit. This kit is associated with the "Borrowed Trust" campaign. The rule identifies these requests in both endpoint network telemetry and perimeter proxy/firewall logs, indicating potential reconnaissance or active exploitation attempts targeting systems hosting this gambling kit.
Microsoft Sentinel (KQL)

