ET MALWARE Win32/DolphinCape Activity (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
pcre:"/\/[0-9]{17}\.[a-z]{3}$/";
http.request_body;
content:"type="; startswith;
content:"&vol="; distance:0;
content:"&CrashIndex="; distance:0; fast_pattern;
content:"&Ver="; distance:0;
http.header_names;
content:!"Referer";
target:src_ip;
Raw source ET MALWARE Win32/DolphinCape Activity (POST) · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/DolphinCape Activity (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    pcre:"/\/[0-9]{17}\.[a-z]{3}$/";
    http.request_body;
    content:"type="; startswith;
    content:"&vol="; distance:0;
    content:"&CrashIndex="; distance:0; fast_pattern;
    content:"&Ver="; distance:0;
    http.header_names;
    content:!"Referer";
    reference:url,cert.gov.ua/article/3192088;
    reference:md5,98c3d5347842743bfb4ade50b39226c1;
    classtype:trojan-activity;
    sid:2042540; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_12_09, deployment Perimeter, malware_family Win32_DolphinCape, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_09;
    target:src_ip;
)

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