ET MALWARE W32/Asprox.ClickFraudBot CnC Beacon Acknowledgement

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
file.data;
content:"<html><body>hi!<|2F|body><|2F|html>"; within:30;
Raw source ET MALWARE W32/Asprox.ClickFraudBot CnC Beacon Acknowledgement · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE W32/Asprox.ClickFraudBot CnC Beacon Acknowledgement";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    file.data;
    content:"<html><body>hi!<|2F|body><|2F|html>"; within:30;
    reference:url,research.zscaler.com/2014/02/new-zbot-variant-goes-above-and-beyond.html;
    reference:url,techhelplist.com/index.php/tech-tutorials/41-misc/465-asprox-botnet-advertising-fraud-general-overview-1;
    reference:md5,df5ab239bdf09a8716cabbdfa1d6a724;
    classtype:command-and-control;
    sid:2018097; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2014_02_10, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_04_27, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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