alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET JA3 Hash - [Abuse.ch] Possible Ransomware"; ja3_hash; content:"2d8794cb7b52b777bee2695e79c15760"; reference:url,sslbl.abuse.ch/ja3-fingerprints/; classtype:unknown; sid:2028809; rev:2; metadata:attack_target Client_Endpoint, created_at 2019_10_14, deployment Perimeter, confidence Low, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_29, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)