alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Emotet Wifi Bruter Module Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/230238982BSBYKDDH938473938HDUI33/index.php"; bsize:43; fast_pattern; http.request_body; content:"c="; startswith; content:"|3a|"; distance:0; http.header_names; content:!"Referer"; reference:url,www.binarydefense.com/emotet-evolves-with-new-wi-fi-spreader; classtype:command-and-control; sid:2029398; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_02_07, deployment Perimeter, malware_family Emotet, confidence High, signature_severity Major, updated_at 2020_02_07;)