Rule History

SID: 2030492 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Jul 10, 2020, 12:00 PM

Message:

ET USER_AGENTS Observed Suspicious UA (grab)

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Observed Suspicious UA (grab)"; flow:established,to_server; http.user_agent; bsize:4; content:"grab"; classtype:bad-unknown; sid:2030492; rev:2; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2020_07_10, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2024_03_10;)

Created:

Jul 10, 2020, 12:00 PM

Updated:

Mar 10, 2024, 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