ET MALWARE Win32/Phorpiex CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/newsocks5.php"; depth:14; fast_pattern; endswith;
http.user_agent;
content:"Mozilla|2f|5.0|20 28|Windows|20|NT|20|10.0|3b 20|Win64";
http.header_names;
content:!"Referer";
content:!"Accept";
content:!"Cache";
content:!"Connection";
Raw source ET MALWARE Win32/Phorpiex CnC Checkin · Suricata
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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/Phorpiex CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/newsocks5.php"; depth:14; fast_pattern; endswith;
    http.user_agent;
    content:"Mozilla|2f|5.0|20 28|Windows|20|NT|20|10.0|3b 20|Win64";
    http.header_names;
    content:!"Referer";
    content:!"Accept";
    content:!"Cache";
    content:!"Connection";
    reference:md5,03b6c8d49c70df01afc0765f8fa51d0c;
    classtype:command-and-control;
    sid:2028920; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_07_31, deployment Perimeter, malware_family Phoriex, performance_impact Low, confidence High, signature_severity Major, tag SpamBot, updated_at 2020_09_17;
)

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