alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE OSX/MapperState CnC Activity"; flow:established,to_server; http.method; content:"POST"; http.user_agent; content:"ms"; offset:7; depth:2; content:"|20|(unknown|20|version)|20|"; http.request_body; content:"smc31000"; startswith; fast_pattern; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; reference:url,twitter.com/ConfiantIntel/status/1393215825931288580; classtype:trojan-activity; sid:2033031; rev:1; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2021_05_25, deployment Perimeter, malware_family OSX_MapperState, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_25;)