Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Riskware/Proxyware Domain (api .honeygain .com in TLS SNI)"; flow:established,to_server; tls.sni; content:"api.honeygain.com"; bsize:17; fast_pattern; reference:url,trendmicro.com/en_us/research/23/b/hijacking-your-bandwidth-how-proxyware-apps-open-you-up-to-risk.html; classtype:misc-activity; sid:2033900; rev:3; metadata:attack_target Client_Endpoint, created_at 2021_09_03, deployment Perimeter, former_category ADWARE_PUP, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, tag proxyware, updated_at 2026_02_17;)