ET MALWARE Win32/Bot.Sezin CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".php?machine_id="; fast_pattern;
content:"&x64"; distance:0;
content:"&version="; distance:0;
content:"&video_card="; distance:0;
content:"&cpu="; distance:0;
content:"&junk="; distance:0;
http.header_names;
content:!"User-Agent";
content:!"Referer";
content:!"Accept";
Raw source ET MALWARE Win32/Bot.Sezin 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/Bot.Sezin CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".php?machine_id="; fast_pattern;
    content:"&x64"; distance:0;
    content:"&version="; distance:0;
    content:"&video_card="; distance:0;
    content:"&cpu="; distance:0;
    content:"&junk="; distance:0;
    http.header_names;
    content:!"User-Agent";
    content:!"Referer";
    content:!"Accept";
    reference:md5,73611bd5d1d0ad865cd26b003aa525b4;
    classtype:command-and-control;
    sid:2025148; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_12_13, deployment Perimeter, malware_family Bot_Sezin, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_24;
)

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