alert http [$HOME_NET,$SMTP_SERVERS] any -> any any (
msg:"ET MALWARE JS SpyPress C2 Success Callback (Python)";
flow:established,to_server;
http.request_line;
content:"GET /?se=py"; fast_pattern; startswith;
http.user_agent;
content:"python-requests|2f|2";
http.method;
content:"GET";
reference:url,www.proofpoint.com/us/blog/threat-insight/ta458-roundpress-exploits;
classtype:trojan-activity;
sid:2071252; rev:1;
metadata:attack_target Client_Endpoint, created_at 2026_07_21, deployment Perimeter, malware_family SpyPress, confidence High, signature_severity Major, tag c2, updated_at 2026_07_21, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
target:src_ip;
)