Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Win32/Onliner Receiving Commands from CnC"; flow:established,from_server; http.stat_code; content:"200"; file.data; content:"|7b|id|3a|"; depth:4; pcre:"/^\d{5,10}\x7d/R"; content:"|7b|ok|3a 5b|task|5d|"; distance:0; fast_pattern; content:"|7b|urls|7d|"; distance:0; content:"|7b|tasks|7d|"; distance:0; reference:url,www.blueliv.com/blog/research/analysis-spam-distribution-botnet-onliner-spambot/; classtype:command-and-control; sid:2027808; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_08_06, deployment Perimeter, malware_family Onliner, performance_impact Low, confidence High, signature_severity Major, tag SpamBot, updated_at 2020_11_03;)