Rule History

SID: 2012180 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 3 • Jan 15, 2011, 12:00 PM

Message:

ET USER_AGENTS Suspicious User Agent no space

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET USER_AGENTS Suspicious User Agent no space"; flow:established,to_server; content:"|0d 0a|User-Agent|3a|"; content:!"|0d 0a|User-Agent|3a 20|"; classtype:bad-unknown; sid:2012180; rev:3; metadata:created_at 2011_01_15, confidence High, signature_severity Informational, updated_at 2019_07_26;)

Created:

Jan 15, 2011, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-user_agents.rules