Cybercriminals Abusing Cloudflare Tunnels to Evade Detection and Spread Malware

Cybersecurity companies are warning about an uptick in the abuse of Clouflare’s TryCloudflare free service for malware delivery.
The activity, documented by both eSentire and Proofpoint, entails the use of TryCloudflare to create a one-time tunnel that acts as a conduit to relay traffic from an attacker-controlled server to a local machine through Cloudflare’s infrastructure.
Attack chains