alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/PurpleWave Stealer CnC Exfil M2"; flow:established,to_server; http.method; content:"POST"; http.uri; content:!"."; http.request_body; content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|spamerhash|22 3b 0d 0a|"; content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|screenshot|22 3b 20|filename=|22|screenshot|22|"; distance:0; fast_pattern; http.header_names; content:!"Referer"; classtype:trojan-activity; sid:2031181; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_11_05, deployment Perimeter, malware_family PurpleWaveStealer, confidence High, signature_severity Major, updated_at 2020_11_05;)