ET SCAN Skipfish Web Application Scan Detected (2)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".old";
http.header;
content:"Range|3A| bytes=0-199999";
http.user_agent;
content:"Mozilla/5.0 SF/";
Raw source ET SCAN Skipfish Web Application Scan Detected (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 -> $HTTP_SERVERS any (
    msg:"ET SCAN Skipfish Web Application Scan Detected (2)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".old";
    http.header;
    content:"Range|3A| bytes=0-199999";
    http.user_agent;
    content:"Mozilla/5.0 SF/";
    reference:url,isc.sans.org/diary.html?storyid=8467;
    reference:url,code.google.com/p/skipfish/;
    classtype:attempted-recon;
    sid:2010956; rev:5;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, updated_at 2020_05_04;
)

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