ET MALWARE Linux.Ngioweb Stage 1 CnC Activity Client Request (set)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Linux.Ngioweb Stage 1 CnC Activity Client Request (set)";
    flow:established,to_server;
    flowbits:set,ET.Linux.Ngioweb;
    flowbits:noalert;
    http.user_agent;
    content:"Mozilla/5.0|20 28|Windows NT 10.0|3b 20|Win64|3b 20|x64|3b 20|rv:59.0|29 20|Gecko/20100101 Firefox/59.0"; endswith;
    http.start;
    content:"GET|20|/min.js?h=aWQ9"; depth:18; fast_pattern;
    reference:url,blog.netlab.360.com/an-analysis-of-linux-ngioweb-botnet-en/;
    classtype:command-and-control;
    sid:2027507; rev:4;
    metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2019_06_21, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_09_17;
)