ET POLICY Microsoft Online Storage Client Hello TLSv1 Possible OneDrive (storage.msn .com)

Query · suricata

flow:established,to_client;
dsize:>19;
content:"|16 03 01|"; depth:3;
content:".storage.msn.com"; nocase; distance:0;
Raw source ET POLICY Microsoft Online Storage Client Hello TLSv1 Possible OneDrive (storage.msn .com) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET 443 -> $HOME_NET any (
    msg:"ET POLICY Microsoft Online Storage Client Hello TLSv1 Possible OneDrive (storage.msn .com)";
    flow:established,to_client;
    dsize:>19;
    content:"|16 03 01|"; depth:3;
    content:".storage.msn.com"; nocase; distance:0;
    reference:url,skydrive.live.com;
    classtype:policy-violation;
    sid:2014919; rev:3;
    metadata:created_at 2012_06_19, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.