ET MALWARE Unknown DPRK Threat Actor Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/ccom"; startswith;
pcre:"/^(?:[1-3]?)\/download\.php\?filename=ccom/R";
http.host;
content:".atwebpages.com"; endswith;
Raw source ET MALWARE Unknown DPRK Threat Actor Activity (GET) · 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 Unknown DPRK Threat Actor Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/ccom"; startswith;
    pcre:"/^(?:[1-3]?)\/download\.php\?filename=ccom/R";
    http.host;
    content:".atwebpages.com"; endswith;
    reference:url,asec.ahnlab.com/ko/26183;
    reference:md5,833794f663ddecd3533c661c9ac5fef6;
    reference:md5,857a0eb7dcd9c63f4474a069012a3389;
    classtype:trojan-activity;
    sid:2033708; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_08_11, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_08_11;
)

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