ET MALWARE Win32.Chroject.B Receiving ClickFraud Commands from CnC 2

Query · suricata

flow:from_server,established;
file_data;
content:"<html><title>"; within:13;
pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})<\/title><\/html>$/R";
content:"</title></html>"; fast_pattern;
flowbits:isset,ET.Chroject;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET MALWARE Win32.Chroject.B Receiving ClickFraud Commands from CnC 2 · 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 -> $HOME_NET any (
    msg:"ET MALWARE Win32.Chroject.B Receiving ClickFraud Commands from CnC 2";
    flow:from_server,established;
    file_data;
    content:"<html><title>"; within:13;
    pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})<\/title><\/html>$/R";
    content:"</title></html>"; fast_pattern;
    flowbits:isset,ET.Chroject;
    reference:md5,586ad13656f4595723b481d77b6bfb09;
    classtype:command-and-control;
    sid:2020749; rev:5;
    metadata:created_at 2015_03_26, signature_severity Major, updated_at 2019_10_08;
)

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