alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Snake Keylogger HTTP Exfil"; flow:established,to_server; http.method; content:"POST"; http.content_type; bsize:33; content:"application/x-www-form-urlencoded"; http.request_body; content:"|26|myFile|3d|PW|2b 25|7c|2b|"; content:"|25|0d|25|0a|2d 2d 2d 2d 2d 2d 2d 2d 2b|Snake|2b|Tracker|2b 2d 2d 2d 2d 2d 2d 2d 2d 25|0d|25|0a"; fast_pattern; reference:md5,9bd66412d037cb407c592e51959e0891; classtype:trojan-activity; sid:2049869; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_12_29, deployment Perimeter, deployment SSLDecrypt, malware_family Snake_Keylogger, performance_impact Low, confidence High, signature_severity Critical, updated_at 2023_12_29; target:src_ip;)