alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MoneroPay Ransomware Payment Activity"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/paid?id="; fast_pattern; pcre:"/^[a-f0-9]{16}$/R"; http.header_names; content:"|0d 0a|Host|0d 0a 0d 0a|"; startswith; content:!"User-Agent"; content:!"Accept"; content:!"Cookie"; content:!"Connection"; content:!"Referer"; reference:md5,14ea53020b4d0cb5acbea0bf2207f3f6; classtype:trojan-activity; sid:2025204; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_01_16, deployment Perimeter, malware_family Ransomware, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_14, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)