alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32.SpyEyes.bllw CnC Exfil"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; http.request_body; content:"|0d 0a|Content-Disposition|3a 20|form-data|3b 20|name=|22|file|22 3b 20|filename=|22|"; distance:0; content:".zip|22 0d 0a|"; within:50; content:"passwords.txt"; distance:0; fast_pattern; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; content:!"|0d 0a|user-agent|0d 0a|"; content:!"|0d 0a|accept"; reference:md5,c818013b12aedef81965f4dd98634ea8; classtype:trojan-activity; sid:2035017; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_27, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_28;)