Rule History

SID: 2012310 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 7 • Feb 14, 2011, 12:00 PM

Message:

ET USER_AGENTS Si25f_302 User-Agent

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Si25f_302 User-Agent"; flow:established,to_server; http.user_agent; content:"Si25"; depth:4; classtype:trojan-activity; sid:2012310; rev:7; metadata:created_at 2011_02_14, confidence High, signature_severity Major, updated_at 2020_08_13;)

Created:

Feb 14, 2011, 12:00 PM

Updated:

Aug 13, 2020, 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