alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET WEB_CLIENT WebDAV PUT Request for .url Flowbit Set"; flow:established,to_server; flowbits:set,ET.WebDAVURL; http.method; content:"PUT"; http.uri; content:".url"; endswith; http.user_agent; content:"Microsoft-WebDAV-MiniRedir/"; startswith; http.header; content:"|0d 0a|translate|3a 20|f|0d 0a|"; fast_pattern; http.header_names; content:!"Referer"; reference:url,docs.oracle.com/cd/E19146-01/821-1828/gczya/index.html; classtype:misc-activity; sid:2049319; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_11_28, deployment Perimeter, performance_impact Significant, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_06_15, reviewed_at 2024_10_14;)