alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MICROPSIA HTTP Failover CnC Checkin"; flow:established,to_server; threshold:type limit, count 1, seconds 30, track by_dst; http.method; content:"POST"; http.uri; content:"/api/hazard/"; depth:12; fast_pattern; http.user_agent; content:"compatible|3b 20|Googlebot|2f|"; http.accept_enc; content:"UTF8"; depth:4; endswith; http.content_type; content:"multipart|2f|form-data|3b 20|boundary|3d 2d 2d 2d 2d 2d 2d 2d|Embt-Boundary"; reference:md5,6eff53e85a9ce9f1d99c812270093581; reference:url,twitter.com/ClearskySec/status/1054722167433297920; classtype:command-and-control; sid:2026547; 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 Medium, signature_severity Major, updated_at 2020_09_16;)