alert http $HOME_NET any -> any any (msg:"ET MALWARE BadRabbit Ransomware Activity Via WebDAV (cscc)"; flow:established,to_server; urilen:16; http.method; content:"PROPFIND"; http.uri; content:"/admin$/cscc.dat"; fast_pattern; http.user_agent; content:"Microsoft-WebDAV"; depth:16; classtype:trojan-activity; sid:2024905; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_10_24, deployment Perimeter, malware_family BadRabbit, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_13, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)