Versions (4)
Version DetailsCurrent
Rev: 2 • Apr 27, 2022, 12:00 PMET INFO Commonly Abused SSL/TLS Certificate Observed (mylnavyfederal .com)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Commonly Abused SSL/TLS Certificate Observed (mylnavyfederal .com)"; flow:established,to_client; tls.cert_subject; content:"CN=*.mylnavyfederal.com"; bsize:23; fast_pattern; reference:md5,1f28014859bd7cc1a4240aebb5241af0; classtype:bad-unknown; sid:2036389; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_04_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_22;)
Apr 27, 2022, 12:00 PM
Mar 22, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 3, 2025, 8:34 PM
rules/emerging-info.rules