Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE OSX/OceanLotus.D Sending Data to CnC"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".js"; endswith; http.user_agent; content:"curl/"; fast_pattern; http.content_type; content:"application/x-www-form-urlencoded"; startswith; http.header_names; content:"Host|0d 0a|User-Agent|0d 0a|Accept|0d 0a|Content-Length|0d 0a|Content-Type"; content:!"Referer"; content:!"Cache"; content:!"Accept-"; reference:md5,306d3ed0a7c899b5ef9d0e3c91f05193; reference:url,blog.trendmicro.com/trendlabs-security-intelligence/new-macos-backdoor-linked-to-oceanlotus-found/; classtype:command-and-control; sid:2025464; rev:3; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2018_04_05, deployment Perimeter, malware_family OceanLotus, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_09_16;)