ET INFO DNS Query to Cloudflare Tunneling Domain (cfargotunnel .com)

7.0.35.0SID: 2072457Rev: 1Enabled2 views
Sourceet/open
Fileemerging-info.rules
CreatedOctober 15, 2026
UpdatedOctober 15, 2026
Classificationmisc-activity
alert dns $HOME_NET any -> any any (msg:"ET INFO DNS Query to Cloudflare Tunneling Domain (cfargotunnel .com)"; reference:url,developers.cloudflare.com/cloudflare-one/networks/connectors/cloudflare-tunnel/routing-to-tunnel/dns/; classtype:misc-activity; sid:2072457; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_10_15, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2026_10_15;)
Detection details are hidden.

References

urldevelopers.cloudflare.com/cloudflare-one/networks/connectors/cloudflare-tunnel/routing-to-tunnel/dns/

Metadata

attack targetClient_Endpoint
created at2026_10_15
deploymentPerimeter
confidenceHigh
signature severityInformational
updated at2026_10_15

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