ET MALWARE Operation Cobra Venom WSF Stage 1 - File Decode Completed

Query · suricata

flow:established,to_server;
urilen:>14;
http.method;
content:"GET";
http.uri;
content:"/board.php?v=e"; fast_pattern; endswith;
http.header_names;
content:!"Referer";
Raw source ET MALWARE Operation Cobra Venom WSF Stage 1 - File Decode Completed · 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 Operation Cobra Venom WSF Stage 1 - File Decode Completed";
    flow:established,to_server;
    urilen:>14;
    http.method;
    content:"GET";
    http.uri;
    content:"/board.php?v=e"; fast_pattern; endswith;
    http.header_names;
    content:!"Referer";
    reference:url,blog.alyac.co.kr/2066;
    classtype:trojan-activity;
    sid:2026765; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_01_08, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Operation_Cobra_Venom, updated_at 2020_09_16;
)

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