alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE R980/CRYPBEE.A Ransomware Activity"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/assets/timepicker/x.php?"; fast_pattern; http.user_agent; content:"cpp"; depth:3; reference:md5,a38e156b5c7b337ffbde6cc1ddab1004; reference:url,blog.trendmicro.com/trendlabs-security-intelligence/r980-ransomware-disposable-email-service/; classtype:trojan-activity; sid:2023085; rev:4; metadata:attack_target Client_Endpoint, created_at 2016_08_24, deployment Perimeter, malware_family Ransomware, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_20, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)