alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Spelevo EK Post-Compromise Data Dump"; flow:to_server,established; http.method; content:"POST"; http.uri; content:"/?"; depth:2; http.request_body; content:"|06 00 00 00 01 00 00 00|"; depth:8; content:"|00 00 02 00 00 00|"; offset:8; depth:16; http.header_names; content:!"Referer|0d 0a|"; content:!"User-Agent|0d 0a|"; content:!"Accept"; content:!"Cookie|0d 0a|"; classtype:exploit-kit; sid:2027075; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_03_11, deployment Perimeter, malware_family Spleevo_EK, performance_impact Moderate, confidence Medium, signature_severity Major, updated_at 2020_11_04;)