alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE FAKEIE Minimal Headers (flowbit set)"; flow:established,to_server; flowbits:set,FakeIEMinimal; flowbits:noalert; http.method; content:"GET"; http.user_agent; content:"|20|MSIE|20|"; fast_pattern; http.header_names; content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a|Cache-Control|0d 0a 0d 0a|"; startswith; reference:url,malware-traffic-analysis.net/2014/10/01/index.html; classtype:trojan-activity; sid:2019344; rev:10; metadata:created_at 2014_10_03, performance_impact Significant, signature_severity Major, updated_at 2024_04_14;)