ET CHAT General MSN Chat Activity

Query · suricata

flow:established;
http.header;
content:"Content-Type|3A|";
content:"application/x-msn-messenger";
Raw source ET CHAT General MSN Chat Activity · 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 CHAT General MSN Chat Activity";
    flow:established;
    http.header;
    content:"Content-Type|3A|";
    content:"application/x-msn-messenger";
    reference:url,www.hypothetic.org/docs/msn/general/http_examples.php;
    classtype:policy-violation;
    sid:2009375; rev:9;
    metadata:created_at 2010_07_30, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_12_03;
)

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