alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/FFDroider CnC Activity M2"; flow:to_server,established; http.method; content:"GET"; http.uri; content:"/seemorebty/"; fast_pattern; content:".php?e="; distance:0; http.referer; content:"https://www.facebook.com"; reference:md5,ffceece2e297cf5769a35bf387c310ef; reference:url,www.zscaler.com/blogs/security-research/ffdroider-stealer-targeting-social-media-platform-users; classtype:command-and-control; sid:2035798; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_03_25, deployment Perimeter, malware_family Win32_FFDroider, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_25;)