ET MALWARE FakeAV.EGZ Checkin 2

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/images/b.php?id="; fast_pattern;
pcre:"/^\d{1,3}$/R";
http.user_agent;
content:"Mozilla/4.0 (compatible|3b 20|MSIE 6.0|3b 20|Windows NT 5.1|3b 20|SV1)";
Raw source ET MALWARE FakeAV.EGZ Checkin 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE FakeAV.EGZ Checkin 2";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/images/b.php?id="; fast_pattern;
    pcre:"/^\d{1,3}$/R";
    http.user_agent;
    content:"Mozilla/4.0 (compatible|3b 20|MSIE 6.0|3b 20|Windows NT 5.1|3b 20|SV1)";
    classtype:command-and-control;
    sid:2013947; rev:6;
    metadata:created_at 2011_11_23, signature_severity Major, updated_at 2020_10_19;
)

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