Rule History

SID: 2013031 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 9 • Jun 14, 2011, 12:00 PM

Message:

ET POLICY Python-urllib/ Suspicious User Agent

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY Python-urllib/ Suspicious User Agent"; flow:established,to_server; http.user_agent; content:"Python-urllib/"; nocase; depth:14; http.host; content:!"dropbox.com"; endswith; content:!"downloads.ironport.com"; endswith; content:!".ubuntu.com"; endswith; reference:url,www.useragentstring.com/pages/useragentstring.php; classtype:attempted-recon; sid:2013031; rev:9; metadata:created_at 2011_06_14, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_17;)

Created:

Jun 14, 2011, 12:00 PM

Updated:

Sep 17, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Nov 3, 2025, 10:34 PM

Filename:

rules/emerging-policy.rules