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SID: 2018010 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 6Jan 24, 2014, 12:00 PM

ET HUNTING Suspicious UA (^IE[\d\s])

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Suspicious UA (^IE[\d\s])"; flow:established,to_server; http.header; content:!"symantec"; nocase; content:!"norton"; nocase; http.user_agent; content:"IE"; depth:2; nocase; fast_pattern; pcre:"/^[\d\s]/R"; http.host; content:!".bing.com"; reference:md5,209e6701da137084c2f60c90d64505f2; classtype:trojan-activity; sid:2018010; rev:6; metadata:created_at 2014_01_24, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_18;)

Jan 24, 2014, 12:00 PM

Aug 18, 2020, 12:00 PM

Sep 21, 2024, 3:00 AM

Dec 18, 2025, 10:34 PM

rules/emerging-hunting.rules