alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE MICROPSIA HTTP Failover Response M1"; flow:established,from_server; http.stat_code; content:"200"; file.data; content:"common|20|soon"; depth:11; fast_pattern; endswith; reference:md5,6eff53e85a9ce9f1d99c812270093581; reference:url,twitter.com/ClearskySec/status/1054722167433297920; classtype:trojan-activity; sid:2026548; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_24, deployment Perimeter, malware_family MICROPSIA, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_09_16;)