alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32/Safe User Agent Fantasia"; flow:established,to_server; http.user_agent; content:"Fantasia"; startswith; reference:url,www.trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp-safe-a-targeted-threat.pdf; classtype:trojan-activity; sid:2016934; rev:5; metadata:created_at 2013_05_29, confidence High, signature_severity Major, updated_at 2024_04_12;)