GPL CHAT MSN user search

Query · suricata

flow:to_server,established;
content:"CAL "; depth:4; nocase;
Raw source GPL CHAT MSN user search · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET 1863 (
    msg:"GPL CHAT MSN user search";
    flow:to_server,established;
    content:"CAL "; depth:4; nocase;
    classtype:policy-violation;
    sid:2101990; rev:2;
    metadata:created_at 2010_09_23, signature_severity Informational, updated_at 2019_07_26;
)

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