ET MALWARE Incorrectly formatted User-Agent string (dashes instead of semicolons) Likely Hostile

7.0.35.0SID: 2010868Rev: 10Enabled5 views
Sourceet/open
Fileemerging-malware.rules
CreatedJuly 30, 2010
UpdatedApril 13, 2024
Classificationbad-unknown
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Incorrectly formatted User-Agent string (dashes instead of semicolons) Likely Hostile"; flow:established,to_server; http.user_agent; content:"Mozilla/4.0 (compatible- MSIE 6.0- Windows NT 5.1- SV1-|20|"; startswith; fast_pattern; classtype:bad-unknown; sid:2010868; rev:10; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, updated_at 2024_04_13;)

Metadata

created at2010_07_30
confidenceMedium
signature severityMajor
updated at2024_04_13

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