Rule History

SID: 2027484 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3 • Jun 17, 2019, 12:00 PM

Message:

ET USER_AGENTS Suspicious UA Observed (YourUserAgent)

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious UA Observed (YourUserAgent)"; flow:established,to_server; http.user_agent; content:"YourUserAgent"; depth:13; fast_pattern; endswith; reference:md5,c1ca718e7304bf28b5c96559cbf69a06; classtype:bad-unknown; sid:2027484; rev:3; metadata:created_at 2019_06_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, updated_at 2020_09_17;)

Created:

Jun 17, 2019, 12:00 PM

Updated:

Sep 17, 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