ET MALWARE BF Botnet CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"?ver=";
content:"&os="; distance:0;
content:"&binary="; distance:0;
content:"&token="; distance:0;
content:"&run_time="; distance:0; fast_pattern;
http.header;
content:"Pragma|3a 20 20|";
content:"Cache-Control|3a 20 20|";
Raw source ET MALWARE BF Botnet CnC Checkin · 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 BF Botnet CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"?ver=";
    content:"&os="; distance:0;
    content:"&binary="; distance:0;
    content:"&token="; distance:0;
    content:"&run_time="; distance:0; fast_pattern;
    http.header;
    content:"Pragma|3a 20 20|";
    content:"Cache-Control|3a 20 20|";
    reference:md5,3c475b319959069053191e740822fcd6;
    classtype:trojan-activity;
    sid:2030207; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Linux, attack_target Client_Endpoint, created_at 2020_05_22, deployment Perimeter, malware_family BFBotnet, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_05_22;
)

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