Rule History

SID: 2003530 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 16 • Jul 30, 2010, 12:00 PM

Message:

ET HUNTING Suspicious Mozilla User-Agent Separator - likely Fake (Mozilla/4.0+(compatible +MSIE+)

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Suspicious Mozilla User-Agent Separator - likely Fake (Mozilla/4.0+(compatible +MSIE+)"; flow:to_server,established; http.user_agent; content:"Mozilla/4.0+(compatible|3b|+MSIE+/"; depth:31; fast_pattern; classtype:trojan-activity; sid:2003530; rev:16; metadata:created_at 2010_07_30, confidence Medium, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_16;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Oct 16, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 1, 2025, 9:34 PM

Filename:

rules/emerging-hunting.rules