Rule History

SID: 2031065 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Oct 20, 2020, 12:00 PM

Message:

ET USER_AGENTS Suspicious User-Agent (Fire-Cloud)

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (Fire-Cloud)"; flow:established,to_server; http.user_agent; content:"Fire-Cloud"; bsize:10; reference:md5,804c8f7d3b10b421ab5c09d675644212; classtype:trojan-activity; sid:2031065; rev:1; metadata:attack_target Client_Endpoint, created_at 2020_10_20, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_20;)

Created:

Oct 20, 2020, 12:00 PM

Updated:

Oct 20, 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