ET MALWARE Agent.BAAB Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/debug/trace/"; fast_pattern;
pcre:"/^\/debug\/trace\/(?:Fw(?:Downloaded|Check)|N(?:oFw|sis))$/";
http.user_agent;
content:"NSISDL/1.2|20|(Mozilla)"; depth:20;
http.header_names;
content:!"Referer";
content:"Accept";
Raw source ET MALWARE Agent.BAAB Checkin · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Agent.BAAB Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/debug/trace/"; fast_pattern;
    pcre:"/^\/debug\/trace\/(?:Fw(?:Downloaded|Check)|N(?:oFw|sis))$/";
    http.user_agent;
    content:"NSISDL/1.2|20|(Mozilla)"; depth:20;
    http.header_names;
    content:!"Referer";
    content:"Accept";
    reference:md5,406fea6262d8ee05e0ab4247c1083443;
    reference:url,www.virustotal.com/en/file/b0baed750f09ff058e5bd28d6443da833496dc1d1ed674ee6b2caf91889f648e/analysis/1389133969/;
    classtype:command-and-control;
    sid:2017946; rev:5;
    metadata:created_at 2014_01_08, signature_severity Major, updated_at 2020_08_18;
)

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