Versions (4)
Version DetailsCurrent
Rev: 1 • Oct 19, 2022, 12:00 PMET INFO DNSForge DNS Over HTTPS Certificate Inbound
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO DNSForge DNS Over HTTPS Certificate Inbound"; flow:established,to_client; tls.cert_subject; content:"dnsforge.de"; fast_pattern; pcre:"/CN=(?:[^\r\n]+?\.)?dnsforge\.de(?!\.)/"; threshold:type both, count 1, seconds 600, track by_src; reference:url,github.com/curl/curl/wiki/DNS-over-HTTPS; classtype:misc-activity; sid:2039461; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_10_19, deployment Perimeter, confidence High, signature_severity Informational, tag DoH, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_10_19;)
Oct 19, 2022, 12:00 PM
Oct 19, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 28, 2025, 9:34 PM
rules/emerging-info.rules