Versions (2)
Version DetailsCurrent
Rev: 1 • Nov 21, 2025, 12:00 PMET INFO Observed request to common DOH pattern in URI M1
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed request to common DOH pattern in URI M1"; flow:established,to_server; http.uri; content:"|2f|dns-query"; endswith; http.content_type; content:"application|2f|dns-message"; fast_pattern; classtype:misc-activity; sid:2065868; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Mac_OSX, affected_product Linux, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_11_21, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_21; target:src_ip;)
Nov 21, 2025, 12:00 PM
Nov 21, 2025, 12:00 PM
Nov 21, 2025, 9:34 PM
Nov 24, 2025, 10:34 PM
rules/emerging-info.rules