ET MALWARE Kimsuky Related CnC

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/gnuboard4/bbs/img/upload"; startswith; fast_pattern;
pcre:"/(?:temp.dotm$|temp.docx$|list\.php\?query\=1$)/U";
Raw source ET MALWARE Kimsuky Related CnC · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Kimsuky Related CnC";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/gnuboard4/bbs/img/upload"; startswith; fast_pattern;
    pcre:"/(?:temp.dotm$|temp.docx$|list\.php\?query\=1$)/U";
    reference:url,asec.ahnlab.com/en/45658/;
    classtype:trojan-activity;
    sid:2043369; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_01_19, deployment Perimeter, malware_family Kimsuky, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_19;
)

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