ET SCAN Medusa User-Agent

Query · suricata

flow:established,to_server;
threshold:type limit, track by_src,count 1, seconds 60;
http.user_agent;
content:"Teh Forest Lobster"; fast_pattern; nocase; startswith;
Raw source ET SCAN Medusa User-Agent · 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 SCAN Medusa User-Agent";
    flow:established,to_server;
    threshold:type limit, track by_src,count 1, seconds 60;
    http.user_agent;
    content:"Teh Forest Lobster"; fast_pattern; nocase; startswith;
    reference:url,www.foofus.net/~jmk/medusa/medusa.html;
    classtype:attempted-recon;
    sid:2011887; rev:4;
    metadata:created_at 2010_10_31, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_04;
)

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