Rule History

SID: 2011874 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4 • Oct 29, 2010, 12:00 PM

Message:

ET POLICY NSPlayer User-Agent Windows Media Player streaming detected

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY NSPlayer User-Agent Windows Media Player streaming detected"; flow:established,to_server; http.user_agent; content:"NSPlayer|2f|"; startswith; threshold:type limit, track by_src, seconds 300, count 1; reference:url,msdn.microsoft.com/en-us/library/cc234851; classtype:policy-violation; sid:2011874; rev:4; metadata:created_at 2010_10_29, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_07;)

Created:

Oct 29, 2010, 12:00 PM

Updated:

Feb 7, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 13, 2025, 9:34 PM

Filename:

rules/emerging-policy.rules