Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE GCleaner Downloader Activity M2"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".php?file="; http.accept_lang; content:"ru|2d|RU|2c|ru|3b|q|3d|0|2e|9|2c|en|3b|q|3d|0|2e|8"; bsize:23; http.user_agent; content:"TAKEMIX"; bsize:7; fast_pattern; reference:md5,ff4ae9d00058d3e9d5034d043387c4be; reference:url,medium.com/csis-techblog/gcleaner-garbage-provider-since-2019-2708e7c87a8a; classtype:trojan-activity; sid:2032350; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_03_30, deployment Perimeter, malware_family GCleaner, performance_impact Low, confidence High, signature_severity Major, tag Downloader, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_30;)