Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/PurpleWave Stealer CnC Exfil"; flow:established,to_server; http.method; content:"POST"; http.uri; content:!"."; http.user_agent; bsize:3; content:"app"; http.request_body; content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|browser["; content:"]|22 3b 0d 0a|"; distance:0; content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|screenshot|22 3b 20|filename=|22|screenshot.png|22|"; distance:0; fast_pattern; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; classtype:trojan-activity; sid:2030626; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_07_31, deployment Perimeter, deprecation_reason Age, malware_family PurpleWaveStealer, confidence High, signature_severity Major, updated_at 2024_03_12, reviewed_at 2024_01_02;)