Rule History

SID: 2030814 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Aug 28, 2020, 12:00 PM

Message:

ET USER_AGENTS Suspicious User-Agent (boostsoftware-urlexists)

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (boostsoftware-urlexists)"; flow:established,to_server; http.user_agent; bsize:23; content:"boostsoftware-urlexists"; classtype:bad-unknown; sid:2030814; rev:2; metadata:attack_target Client_Endpoint, created_at 2020_08_28, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_28;)

Created:

Aug 28, 2020, 12:00 PM

Updated:

Aug 28, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 16, 2025, 8:36 PM

Filename:

rules/emerging-user_agents.rules