Rule History

SID: 2013054 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4 • Jun 17, 2011, 12:00 PM

Message:

ET USER_AGENTS PyCurl Suspicious User Agent Outbound

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS PyCurl Suspicious User Agent Outbound"; flow:established,to_server; http.user_agent; content:"PyCurl"; nocase; depth:6; reference:url,www.useragentstring.com/pages/useragentstring.php; classtype:attempted-recon; sid:2013054; rev:4; metadata:created_at 2011_06_17, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_13;)

Created:

Jun 17, 2011, 12:00 PM

Updated:

Oct 13, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Jan 12, 2026, 10:34 PM

Filename:

rules/emerging-user_agents.rules