alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE JS/RAA Ransomware check-in"; flow:established,to_server; http.uri; content:".php?id="; content:"|20|- RAA"; fast_pattern; http.header; content:"WinHttp.WinHttpRequest"; reference:md5,535494aa6ce3ccef7346b548da5061a9; classtype:trojan-activity; sid:2022899; rev:3; metadata:attack_target Client_Endpoint, created_at 2016_06_15, deployment Perimeter, malware_family JS_RAA, confidence High, signature_severity Major, tag Ransomware, updated_at 2020_07_15, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)