ET INFO Possible Chrome Plugin install

Query · suricata

flow:to_server,established;
http.uri;
content:"|2f|crx|2f|blobs"; nocase; fast_pattern;
http.user_agent;
content:"|20|Chrome/";
Raw source ET INFO Possible Chrome Plugin install · Suricata
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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 INFO Possible Chrome Plugin install";
    flow:to_server,established;
    http.uri;
    content:"|2f|crx|2f|blobs"; nocase; fast_pattern;
    http.user_agent;
    content:"|20|Chrome/";
    reference:url,blogs.technet.com/b/mmpc/archive/2013/05/10/browser-extension-hijacks-facebook-profiles.aspx;
    classtype:bad-unknown;
    sid:2016847; rev:5;
    metadata:created_at 2013_05_14, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_18;
)

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