alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Crpx0 Ransomware Payload Request M3"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/call2.py"; fast_pattern; http.user_agent; content:"WindowsPowerShell"; classtype:trojan-activity; sid:2068505; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2026_04_01, deployment Perimeter, malware_family Crpx0, confidence High, signature_severity Major, updated_at 2026_04_01, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1105, mitre_technique_name Ingress_Tool_Transfer; target:src_ip;)