Versions (4)
Version DetailsCurrent
Rev: 9 • Jul 30, 2010, 12:00 PMET MALWARE Incorrectly formatted User-Agent string (dashes instead of semicolons) Likely Hostile
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|"; depth:56; fast_pattern; classtype:bad-unknown; sid:2010868; rev:9; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, updated_at 2020_10_17;)
Jul 30, 2010, 12:00 PM
Oct 17, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules