alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Gazer HTTP POST Checkin"; flow:to_server,established; http.method; content:"POST"; http.uri; content:".php?"; pcre:"/^(?:(?:a(?:(?:lbu|d)m|ccount|uthor)|c(?:ont(?:ac|en)|lien)t|p(?:artners|hoto)|(?:memb|us)er|session|video|hash|key|id)=[a-z0-9]{6,12}&){4}/Ri"; http.request_body; content:"|ff ff ff ff 00 00 00 00|"; depth:8; fast_pattern; http.header_names; content:!"Accept|0d 0a|"; content:!"Referer|0d 0a|"; reference:url,www.welivesecurity.com/wp-content/uploads/2017/08/eset-gazer.pdf; classtype:command-and-control; sid:2024637; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_08_30, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2020_08_11;)