ET MALWARE TrollAgent Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.host;
content:".p-e.kr"; endswith; fast_pattern;
http.uri;
content:"/index.php"; bsize:10;
http.user_agent;
content:"Go-http-client/"; startswith;
http.request_body;
content:"a="; startswith;
threshold:type limit,count 1,track by_src,seconds 60;
Raw source ET MALWARE TrollAgent 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 TrollAgent Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.host;
    content:".p-e.kr"; endswith; fast_pattern;
    http.uri;
    content:"/index.php"; bsize:10;
    http.user_agent;
    content:"Go-http-client/"; startswith;
    http.request_body;
    content:"a="; startswith;
    threshold:type limit,count 1,track by_src,seconds 60;
    reference:url,twitter.com/asdasd13asbz/status/1744279858778456325;
    reference:url,twitter.com/jaydinbas/status/1744288770524918119;
    classtype:trojan-activity;
    sid:2049964; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2024_01_09, deployment Perimeter, deployment SSLDecrypt, malware_family TrollAgent, confidence Medium, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_10, reviewed_at 2024_10_15;
)

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