alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Evrial Stealer CnC Activity M2"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|file|22 3b 20|filename=|22|report -|20|"; content:".bin|22 0d 0a|Content-Type|3a 20|application/octet-stream|0d 0a|"; distance:19; http.header_names; content:!"Referer"; content:!"Accept"; content:!"User-Agent"; reference:md5,ecd56f1f42f932865e98fd319301e1a5; classtype:command-and-control; sid:2025375; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_02_21, deployment Perimeter, malware_family Evrial, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2020_09_16;)