alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Trojan Generic - POST To gate.php with no accept headers"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/gate.php"; nocase; fast_pattern; http.header_names; content:!"Accept"; reference:md5,d7c19ba47401f69aafed551138ad7e7c; classtype:trojan-activity; sid:2022985; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_07_26, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2020_10_28;)