alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET RETIRED Evil Keitaro Set-Cookie Inbound (85937)"; flow:established,from_server; http.stat_code; content:"200"; http.cookie; content:"85937=eyJ0e"; fast_pattern; pcre:"/^[A-Z0-9_\-.]{20,300}\x3b/Ri"; classtype:trojan-activity; sid:2035620; rev:2; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2022_03_25, deployment Perimeter, deployment SSLDecrypt, former_category WEB_CLIENT, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_12, reviewed_at 2024_09_12;)