Rule History

SID: 2013401 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 3 • Aug 11, 2011, 12:00 PM

Message:

ET MALWARE Win32/Winshow User Agent

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Winshow User Agent"; flow:established,to_server; http.header; content:"User-Agent|3A 20|WinShow Installer"; classtype:trojan-activity; sid:2013401; rev:3; metadata:created_at 2011_08_11, malware_family Win32_Winshow, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_20;)

Created:

Aug 11, 2011, 12:00 PM

Updated:

Apr 20, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Nov 6, 2025, 10:34 PM

Filename:

rules/emerging-malware.rules